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Washington State Climate Office @wastateclimate.bsky.social · 19h

💧Happy First Day of Water Year 2027!💧 Now that Water Year 2026 is complete, we want to hear from you! Fill out the The Water Year 2026 Impacts Survey TODAY to help us better understand hydrologic impacts from October 1, 2025-September 30, 2026. 🔗 uwashington.qualtrics.com/jfe/form/SV_...

Decorative image of diablo dam with the logos of the Climate Impacts Group, WASCO, NIDIS, OCS, and OCCRI.

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Washington State Climate Office @wastateclimate.bsky.social · 16/09/2026

Did you know one of the biggest impacts from El Niño can be an increased chance for coastal flooding? Read our September Newsletter for a summary of summer conditions, and outlook the fall, and our Climate Matters piece on implications of a very strong El Niño! climate.uw.edu/news/categor...

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Washington State Climate Office @wastateclimate.bsky.social · 13/08/2026

Our August Newsletter is here! Read on for an update on recent drought conditions, a look at what our intensifying ENSO event may bring this winter, and a note on wildfire from the WA DNR Commissioner of Public Lands Dave Upthegrove. climate.uw.edu/news/categor...

U.S. Drought Monitor as of August 4th, 2026.

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Washington State Climate Office @wastateclimate.bsky.social · 28/05/2026

The summer climate outlook is hot off the virtual presses. Drier 💧and warmer🌡️ than normal conditions are favored for summer. There is also growing confidence in the possibility of a strong El Niño event by this fall. Read more in our Late May Climate Outlook: climate.uw.edu/2026/05/27/l...

Summer outlook showing above normal temperatures and below normal precipitation are favored from June-August.

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Washington State Climate Office @wastateclimate.bsky.social · 15/05/2026

Our May Newsletter includes an update on early snowmelt conditions and a highlight on expectations for the Yakima Basin's summer water supply. climate.uw.edu/news/categor...

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Reposted by Washington State Climate Office

Washington State Department of Ecology @ecology.wa.gov · 08/04/2026

We just declared drought for the fourth year in a row. And this year, it’s statewide.

A map of Washington snowpack, showing many of the state's river basins below 50% of normal.

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Washington State Climate Office @wastateclimate.bsky.social · 09/04/2026

The April Newsletter is here! Read on for an update on April 1st snowpack conditions (TLDR: it isn't good), an outlook for upcoming spring conditions, and our Climate Matters piece detailing the impacts of last year's drought. climate.uw.edu/news/categor...

climate.uw.edu

News | Washington State Climate Office

A transition to neutral ENSO conditions is likely this spring, then a transition to El Niño conditions is likely (>75% chance) by fall 2026. ENSO has very little influence on summer conditions in our region.

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Washington State Climate Office @wastateclimate.bsky.social · 07/04/2026

‼️The 2025 PNW Water Year Impacts Assessment is here Last year, a warm and dry spring led to rapid snowmelt and low summer streamflows prompting drought emergencies in ID, OR, and WA. Explore regional impacts on water resources, agriculture, forests, and more. 🔗 www.drought.gov/documents/pa...

A photograph of pivot irrigation on dry, drown field near Wyatt, ID.

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Washington State Climate Office @wastateclimate.bsky.social · 20/03/2026

Beneficial mountain snow last week brought some of the largest gains in mountain snowpack of the season, but snowpack still remains well below normal. An ongoing widespread rain-on-snow melting event is now cutting into those gains. As of today, statewide SWE is 59% of normal. Source: NRCS

Graph of statewide SWE over the last water year showing large gains in snowpack over the last few weeks along with and early season melt event. Snowpack remains well below normal despite these late season gains.

Source: https://nwcc-apps.sc.egov.usda.gov/awdb/basin-plots/POR/WTEQ/assocHUCwa3/state_of_washington.html

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Washington State Climate Office @wastateclimate.bsky.social · 16/03/2026

Read our latest newsletter for an update on climate conditions as of Wednesday, March 11: climate.uw.edu/news/categor... Since March 11, recent storms have brought beneficial mountain snowfall, but we still remain well below our normal snowpack for the season.

climate.uw.edu

News | Washington State Climate Office

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Northwest Climate Adaptation Science Center @nwcasc.bsky.social · 02/03/2026

🌿 In honor of World Seagrass Day, @uwnews.uw.edu s.uw.edu recently chatted with UW biology professor & Maria's NW CASC faculty advisor, Jennifer Ruesink, about what makes the seagrasses in WA unique ✨ Check out this great interview! bit.ly/3MBwMsQ

bit.ly

Q&A: For World Seagrass Day, UW professor explains the ‘prairies of the ocean’

Jennifer Ruesink, University of Washington professor of biology, studies the relationship between the environment and marine organisms, including eelgrass, the primary species of seagrass that resides...

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Washington State Climate Office @wastateclimate.bsky.social · 24/02/2026

Did you know we have a monthly newsletter that summarizes recent and upcoming weather and climate conditions across the state? ‼️ Sign-up to receive this newsletter in your inbox: climate.uw.edu/news/newslet... Read the February newsletter: climate.uw.edu/news/categor... #wawx #WAClimate

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Washington State Climate Office @wastateclimate.bsky.social · 24/02/2026

La Niña likely ends in the next few weeks. 🗞️ A warm start to March is likely with wetter than normal conditions expected throughout the month. There are no clear signals for temperature or precipitation for the spring period (Mar-May). Read more: climate.uw.edu/2026/02/24/l... #wawx #WAClimate

6-10 Day outlook showing warmer than normal conditions in the beginning of March.

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Washington State Climate Office @wastateclimate.bsky.social · 30/01/2026

The EarthLab Summer Internship Program is back! WASCO is looking for an intern to help us highlight successful climate adaptation case studies across Washington. 9 weeks of paid, hands-on work, mentorship + a community of peers across disciplines. 📅 Apply by 2/17! 👉 bit.ly/ELIntern26

Image announcing the 2026 Summer Internship Program. The photo reads "Apply your passion and skills towards finding equitable environmental solutions"

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Washington State Climate Office @wastateclimate.bsky.social · 20/01/2026

Most basins have below 50% of normal snowpack. We need a steady train of storms every few days to just keep our snowpack near normal in January, and recent dry weather has not been kind to our snowpack. Q: Can we make up this snowpack gap by spring? It is possible, but increasingly unlikely....

Current SWE across Washington sub-basins. Snowpack is largely near or below 50% of normal for this point in the winter.

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Washington State Climate Office @wastateclimate.bsky.social · 16/01/2026

Our January Newsletter is here!🗞️ In this month's newsletter we discuss record warm December temperatures 🌡️, a recap of the December floods 💧 and wet conditions, and an update on low snowpack conditions across much of the state ❄️ 🔗 climate.uw.edu/news/categor...

Map of above normal temperatures in December 2025. Source: Climate Toolbox

https://climatetoolbox.org/tool/Climate-Mapper

Map of wetter than normal conditions in December 2025.

Source: Climate Toolbox

https://climatetoolbox.org/tool/Climate-Mapper

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Reposted by Washington State Climate Office

Northwest Climate Adaptation Science Center @nwcasc.bsky.social · 14/01/2026

🔥 🌲 ⛰️ ❄️ 🦫 🌊 🦀 🐝 It's that time of year again! Grad students & postdocs doing #ClimateChange research @ BSU, OSU, PSU, UM, UW, WSU and WWU — You can now APPLY for NW CASC's 2026-27 Research Fellowship Program, supporting research+training in actionable sci! Deadline Mar 9 bit.ly/45RnoHC 1/4

Photo collage of NW CASC research fellows in the field.

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Washington State Climate Office @wastateclimate.bsky.social · 09/12/2025

It was quite the rainy day across western Washington yesterday, but this event is not shaping up to be a big snow producer in the mountains. SWE at mountain stations from midnight on the 7th to midnight on the 8th (last night) shows little change. Data from 🔗 www.nrcs.usda.gov/resources/da...

The change in SWE at SNOTEL stations from midnight on December 7th to midnight on December 8th. Green and yellow values denote little change or even slight losses in SWE.

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Washington State Climate Office @wastateclimate.bsky.social · 24/11/2025

Now that NCEI data is flowing again, it is time to take a look at just how warm September 2025 was statewide: September was the warmest September in WA back to at least 1895! Temperatures were +5.2ºF above normal statewide for the month. Source: NCEI Climate at a Glance

Graph of statewide September average temperatures 1895-2025. There is a general warming trend over the time period of around 0.3ºF per decade and September 2025 was the warmest September on record by a decent margin. Source: NCEI https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series

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Washington State Climate Office @wastateclimate.bsky.social · 12/11/2025

The November Newsletter is here! Read on for a statewide recap of the 2025 Water Year, weather and climate conditions in October, and a look at the seasonal outlook for the next 3 months. climate.uw.edu/news/categor...

Photograph of pivot irrigation underway over a dry field with virga overhead. Virga is rainfall that evaporates before it reached the surface, leaving visible streaks or rain shafts in the air.

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Washington State Climate Office @wastateclimate.bsky.social · 27/10/2025

SeaTac Airport reported 1.04" of rainfall on Friday, October 24th ending SeaTac's impressive 546-day streak of daily total rainfall below 1.00". This was the third longest streak on record (records began at SeaTac in 1945).

Table of the longest streaks in SeaTac history.

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Reposted by Washington State Climate Office

Washington Mesonet @wamesonet.bsky.social · 24/10/2025

We completed #Mesonet site #59 last week in Poulsbo, WA! This is our sole location in Kitsap County. #wawx

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Washington State Climate Office @wastateclimate.bsky.social · 09/10/2025

Our October 2025 Newsletter is now live! September was likely the warmest September on record, and statewide drought continues. La Niña conditions are now in effect, and wetter than normal conditions are expected Oct.-Dec. Read about recent and upcoming conditions: climate.uw.edu/news/categor...

Scatter plot of September 2025 temperature and precipitation relative to all Septembers back to 1979. Source: https://climatetoolbox.org/tool/historical-climate-scatter

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Reposted by Washington State Climate Office

Washington State Department of Ecology @ecology.wa.gov · 07/10/2025

Happy October & Flood Awareness Month! Join us with @emd.wa.gov @oicwa.bsky.social & @wadnr.bsky.social this month to learn what flood tricks to look out for and some treats to help you be prepared. Check out our blog about flooding in WA & how to get flood risk maps: ecology.wa.gov/blog/october...

A flooded road with “road closed” sign at point where water is crossing the street.

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Washington State Climate Office @wastateclimate.bsky.social · 01/10/2025

Happy 2026 Water Year! Fill out the PNW Water Year 2025 Impacts Survey to let us know how WA, OR, and ID were impacted by abnormally dry or abnormally wet conditions during the 2025 water year (Oct 1, 2024 - Sep 30, 2025). Open through Nov 26, 2025. uwashington.qualtrics.com/jfe/form/SV_...

Decorative banner image for the Annual PNW WY Impacts Survey.

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Washington State Climate Office @wastateclimate.bsky.social · 19/09/2025

Join us on Thurs, Sept. 25th @ 11am PT for a discussion of the resources available for understanding climate risk in the PNW! 🌊🌲🏔️ This is the latest installment of the Our Climate Future webinar series organized by @cig-uw.bsky.social . Register here: cig.uw.edu/news-and-eve...

cig.uw.edu

Our Climate Future Webinars | Climate Impacts Group

A CIG Webinar SeriesWe’re building a just and resilient world where people and nature thrive in a changing climate. This new webinar series will expand access to 30 years of research, data, and tools,...

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Washington State Climate Office @wastateclimate.bsky.social · 18/09/2025

Odds tilt toward favoring wetter than normal conditions across the state from October-December with greater uncertainty for temperatures. Sea surface temperatures in the Tropical Pacific continue to cool. La Niña conditions may develop in the next couple of months. climate.uw.edu/2025/09/18/l...

Climate Prediction Center October-December Temperature and Precipitation Outlook. Precipitation is most likely to be above normal for this period. Temperatures have equal chances of being below, above, or near-normal.

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Washington State Climate Office @wastateclimate.bsky.social · 10/09/2025

Summer featured record heat and record dryness across large portions of the state. Read our August and Full Summer 2025 Climate Summary to learn more! climate.uw.edu/2025/09/08/a...

June-August 2025 precipitation and temperature percentile maps for Washington State, created using ClimateToolbox.org. Darkest brown and red shadings reflect record dry and warm conditions over this period, respectively.

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Reposted by Washington State Climate Office

Corey Garza @profcgarza.bsky.social · 26/08/2025

We are recruiting near peer mentors for the Valiant program. We seek one 4th year undergrad & one grad student to serve as mentors. Financial compensation provided. See the link below to learn more & apply. @uwsafs.bsky.social @uwenvironment.bsky.social uwashington.qualtrics.com/jfe/form/SV_...

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Washington State Climate Office @wastateclimate.bsky.social · 21/08/2025

A La Niña Watch is in place. What might this mean for the upcoming fall and winter in Washington? Read our latest Climate Outlook to learn more: climate.uw.edu/2025/08/21/l... What can you expect over the next couple of weeks? More persistent summer heat continues statewide.☀️

climate.uw.edu

Late August Climate Outlook

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Washington State Climate Office @wastateclimate.bsky.social · 21/08/2025

🌡️Dangerous heat returns late this week and through the weekend. Then, summertime temperatures stick around in the PNW into early September. The Climate Prediction Center's short term outlooks show above normal temperatures are likely to continue through Sept 4.

CPC's 6-10 day outlook with above normal temperatures from August 27-31.

CPC's 8-14 day outlook with above normal temperatures from August 29-September 4.

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Washington State Climate Office @wastateclimate.bsky.social · 21/08/2025

Do you live in Skagit or Island County? WSU Extension is offering a new Climate Stewards program with coursework and field trips on local climate topics. This fall session begins September 16th. Scholarships are available! Learn more and and register now: wsu.co1.qualtrics.com/jfe/form/SV_...

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Washington State Climate Office @wastateclimate.bsky.social · 13/08/2025

Our August WASCO Newsletter features a recap of July weather and drought conditions as well as a look ahead at expected conditions over the next few months. Visit our website for more: 🔗 climate.uw.edu/news/categor...

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Washington State Climate Office @wastateclimate.bsky.social · 12/08/2025

What time of day do we tend to experience our hottest temperatures in WA? Noon? 1pm? Hint: later than you may think! Our latest Climate Matters details daily heat timing in WA compared to other locations around the country! 🔗 climate.uw.edu/2025/08/11/o... #CoolDownTuesday

A photo of a large sunflower in full bloom with a blue, sunny sky in the background.

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Washington State Climate Office @wastateclimate.bsky.social · 08/08/2025

🌡️The forecast is looking quite hot early next week! Learn more about regional heat adaptation efforts at the Planning for Heat in the Puget Sound webinar on August 12, 2-3:30pm PST. Our very own Karin Bumbaco will be presenting! Learn more and register: climate.uw.edu/2025/07/31/w...

climate.uw.edu

Webinar Registration open for Planning for Heat in the Puget Sound Region

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Washington State Climate Office @wastateclimate.bsky.social · 17/07/2025

🌡️☀️The 2021 heat wave was one for the record books... literally. Just how unusual was the event climatologically? What did it reveal about heat preparedness in our region? Read a synopsis of a newly-released synthesis paper on the 2021 heat wave: 🔗 climate.uw.edu/2025/07/08/a...

climate.uw.edu

A New Paper Synthesizing Studies on the June 2021 Pacific Northwest Heat Wave Now Available

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Washington State Climate Office @wastateclimate.bsky.social · 12/06/2025

The June 2025 edition of the WASCO Monthly Newsletter is hot off the digital presses. 📰 Learn more about worsening drought conditions during May, and get a sneak peak at expectations for summer conditions. climate.uw.edu/news/categor...

Precipitation anomaly for May 2025. Map courtesy of Climate Toolbox.

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Reposted by Washington State Climate Office

Washington State Department of Ecology @ecology.wa.gov · 05/06/2025

It’s official! We’ve expanded the drought emergency to include 19 more watersheds. After the initial declaration in April, we’ve continued to see dry conditions. Making this declaration helps make sure that tools and funding are available for the drier months ahead. ecology.wa.gov/about-us/who...

Michael Scott is declaring expanded drought over the state of Washington. There is an image of the expanded drought area.

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Washington State Climate Office @wastateclimate.bsky.social · 19/05/2025

The summer Climate Prediction Center outlook is here! Conditions are likely to be warmer and drier than normal across the state. 🌡️ climate.uw.edu/2025/05/19/l...

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Reposted by Washington State Climate Office

Climate Impacts Group @cig-uw.bsky.social · 09/05/2025

We are deeply saddened to report that the funding for the Northwest Climate Resilience Collaborative has been terminated effective immediately. This is a devastating setback for climate resilience in rural and Tribal communities in the PNW. Read more>> cig.uw.edu/2025/05/cig-... @nwcasc.bsky.social

cig.uw.edu

CIG Update: Termination of the Northwest Climate Resilience Collaborative | Climate Impacts Group

Dear supporters of the University of Washington Climate Impacts Group,We are deeply saddened to report that the Acting Director of the National Oceanic and Atmospheric Administration (NOAA)’s Grants M...

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Reposted by Washington State Climate Office

Meade Krosby @meadekrosby.bsky.social · 22/04/2025

The NW Climate Adaptation Science Center has delivered hundreds of projects informing resource management in a changing climate. Our training programs provide the pipeline of climate-ready natural resource workers the NW desperately needs. Proposed cuts to USGS would eliminate the CASC program.

science.org

Trump swings budget ax at USGS biology research

Plan to eliminate $307 million ecosystem program could face obstacles in Congress

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Washington State Climate Office @wastateclimate.bsky.social · 09/05/2025

Curious about long-term trends in the onset of spring across Washington? 🌷🌱 Read our latest April edition of Climate Matters to learn more: 🔗 climate.uw.edu/2025/05/05/t...

Table of mean date of last frost and mean date of first 75°F day of the year for stations across Washington. Mean last frost dates range from March 16 at SeaTac Airport to May 11 in Pullman.

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Washington State Climate Office @wastateclimate.bsky.social · 17/04/2025

La Niña has officially ended. The latest Seasonal Outlooks, produced by the Climate Prediction Center, show higher chances of below normal precipitation☀️ and above normal temperatures🌡️ for May-July 2025 across Washington State. Read more about impacts to WA State: 🔗 climate.uw.edu/2025/04/17/l...

National maps of seasonal temperature and precipitation outlooks indicate warmer than normal and drier than normal conditions for the northwestern United States from May-July 2025. Maps courtesy of the Climate Prediction Center.

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Washington State Climate Office @wastateclimate.bsky.social · 15/04/2025

March 2025 brought above normal precipitation (115% of normal*) and above normal temperatures (+1.9°F above normal*) across the State of Washington. Read the full story in our monthly Climate Summary: 🔗 climate.uw.edu/2025/04/04/m... *anomalies calculated relative to 1991-2020 statewide normals

climate.uw.edu

March 2025 Climate Summaryarrowarrowarrowarrowarrowarrowearthlab-uw

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Washington State Climate Office @wastateclimate.bsky.social · 15/04/2025

Curious to learn more about drought impacts and drought response during the 2024 Water Year? The Pacific Northwest Water Year 2024 Impacts Assessment is here! Read more about how below average spring snowpack and large swings in temperatures impacted water users: 🔗 climate.uw.edu/2025/04/04/t...

A photograph depicts a river as it winds around a forested and hilly landscape and serves as the cover image for the Pacific Northwest Water Year 2024 Impacts Assessment.

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Climate Impacts Group @cig-uw.bsky.social · 06/03/2025

📢Welcome Susan Dickerson-Lange, our new director! Among many duties, she will provide strategic leadership as we remain committed to advancing climate resilience in the PNW. Learn more about Susan👉 cig.uw.edu/2025/03/susa... @nwcasc.bsky.social

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Washington State Climate Office @wastateclimate.bsky.social · 04/03/2025

Happy Meteorological Spring, Washingtonians!🌱 Our friends at the Community Collaborative Rain, Hail, and Snow Network (CoCoRaHS) have launched their annual march madness-style competition to see which state can gain the most new observers in March, 2025! Sign-up: www.cocorahs.org/Content.aspx...

cocorahs.org

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Washington State Climate Office @wastateclimate.bsky.social · 19/02/2025

Did you know we developed a Snow Depth Tool in partnership with the Northwest Avalanche Center? climate.uw.edu/our-work/was... As active weather likely continues through the month of February, this tool can help us visualize changes in snow depth across the state.

climate.uw.edu

Snow Depth Tool | Washington State Climate Officearrowarrowarrowarrowarrowarrowearthlab-uw

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Washington State Climate Office @wastateclimate.bsky.social · 12/02/2025

🌎 The February edition of our monthly WASCO Newsletter is out now! 🔗 climate.uw.edu/wp-content/u... Read about our unusually dry and sunny January across the state, and learn about how La Niña/El Niño may be harder to pin down thanks to our warming oceans. 🌊

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