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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 23h

10/5/2026: Our countdown to cooling down stands at four more days… and with less clouds in the way inland will probably see warmer temperatures for the next couple of days. #BayArea #SanFrancisco #NorCal #California

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 23h

This darn weather makes me think we’re still in early September lol - timestamp fail, good catch

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 04/10/2026

In lavender mode: @valkyries (now up 1-0 in series vs Aces) semifinal playoff post game news coming up on @nbcbayarea

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 04/10/2026

Clouds are helping us out a bit today, but overall it’s choosing hot through Thursday at least inland

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 04/10/2026

The preferred medium range model seems excited about those chances, but anything 7 to 8 days out is subject to change quite a bit…

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 03/10/2026

10/3/2026: “Hot-ober” continues… plan on hot temps inland through midweek. Windy and cooler conditions return late week and into the weekend (fire danger risk after hot/dry wx) with possibly interesting changes late next weekend from the tropics. Stay tuned. #BayArea

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 01/10/2026

Heat advisory: Heads up if you’ve got tickets to 49ers vs Broncos Sunday @LevisStadium … updated outlook has 90s in Santa Clara around 1:25pm kickoff.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 27/09/2026

9/27/2026: After a mostly mild weekend it’s looking like an extended run of Summer-like temperatures will be on the way this week. #BayArea #SanFrancisco #NorCal

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 26/09/2026

9/26/2026: the mornings are certainly feeling more like Fall and we’ll see a fairly cloudy and mild wrap up to the weekend. Temps get back to Summer-mode midweek with dry breezes along the hills. #BayArea #SanFrancisco #NorCal #California

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 22/09/2026

+85 mph I think / 24 hrs. RI threshold is > 35 mph so… yeah 😮

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 22/09/2026

9/22/2026: The rapid intensification of #HurricanePolo has been something else as of early Tuesday afternoon made possible by ideal conditions for hurricane development. #hurricane #tropicalweather #elnino

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 22/09/2026

No big surprises here… most of our incoming storms are staying north for now & heading into October will have to watch for offshore wind patterns.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 21/09/2026

9/21/2026: Summer ending cool and the first full day of Fall will be hot inland. But don’t get too used to it… cooling returns Friday and into weekend with rain to our north. ⛅️ 🌡️ 🌬️ ⛅️ #BayArea #NorCal #SanFrancisco

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 20/09/2026

9/19/2026: A cloudy and cooler finish to the weekend will be followed by a temperature roller coaster briefly back to Summer-like levels by midweek. Then it looks to be another cool down, arriving in time for next weekend. #BayArea #California #SanFrancisco #SanJose #NorCal

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 15/09/2026

9/15/2026: Our final days of Summer will likely feel more like Fall. We have a chance of night/am drizzle at times w/ temps mostly in the mid to upper 80s inland into the weekend along with cool mornings. More interesting changes could be lurking down the road…stay tuned on that.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 13/09/2026

Based on expected wind direction, more smoke from the #LucasFire is possible into the Bay Area Monday. The fire has been a little more active on the eastern and southern sides over the last 24 hours at slightly > 4,000 acres as of midday Sunday. 9/13/2026 #BayArea #SanFrancisco #Sacramento #NorCal

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 13/09/2026

Turning @oraclepark into an @exploratorium lab for “Weather Day” this week. A few fast facts: leave liquid nitrogen displays to the experts, lead Exploratorium scientist Hannah Weiss’ dress was all weather icons and for a moment, we created the coolest place in SF on the hottest day of the year 🥵

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 13/09/2026

9/13/2026 Some warming is expected to start the week but not to the levels (hottest of the year bayside) we saw last week. Try and breezy conditions will likely keep fire danger elevated across interior NorCal, esp mtn areas through midweek. #BayArea #SanFrancisco #NorCal

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 09/09/2026

Never a bad day when you get to walk out on the field… even more so when it’s @SFGiants Weather Day with @nbcbayarea @Telemundo48 @exploratorium. 9/9/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 07/09/2026

9/7/2026: The heat is on again. Expect a big jump in temperatures by midweek as we also watch tropical moisture for a slight chance of showers, although odds look mostly offshore for now. Stay tuned.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 06/09/2026

9/5/2026: Dangerous surf through Labor Day Monday followed by the return of warmer temps, esp inland Tropical clouds bring the mugginess and some shower chances midweek. Stay tuned. #BayArea #SanFrancisco #NorCal #California

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 04/09/2026

Rain checking in from Walnut Creek … Not your typical 9/3/2026 #CAwx @NWSBayArea

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 04/09/2026

Rain loop for September 3rd 2026 🙌🏻☔️

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 02/09/2026

9/1/2026: Not your typical start to September when it comes to temps and especially some rain chances over the next two days. #BayArea #SanFrancisco #Napa #SantaRosa #California

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Reposted by Rob Mayeda NBC Bay Area

Anthony Edwards @edwardsanthonyb.bsky.social · 01/09/2026

There is at least a chance of rain in some part of the Bay Area every day through Friday. SF has a decent chance (34%) of picking up at least 0.1”, according to the weather service. There is a much lower chance of more significant amounts (>=0.25”) depending on the strength of systems/fronts.

Probability of >=0.1” rain thru 5pm Thursday:

Berkeley, CA: Low-End 0", Expected 0", High-End 0.2". Chance of more than 0.01": 47%; 0.1": 25%; 0.25": 9%; 0.5": 1%. All higher thresholds are 0%. Concord, CA: Low-End 0", Expected 0", High-End 0.1". Chance of more than 0.01": 23%; 0.1": 10%; 0.25": 3%. All higher thresholds are 0%.Gilroy, CA: Low-End 0", Expected 0", High-End 0.03". Chance of more than 0.01": 16%; 0.1": 3%; 0.25": 1%. All higher thresholds are 0%.King City, CA: Low-End 0", Expected 0", High-End 0". All probability thresholds are 0%.Livermore, CA: Low-End 0", Expected 0", High-End 0.06". Chance of more than 0.01": 22%; 0.1": 6%; 0.25": 2%. All higher thresholds are 0%.Monterey, CA: Low-End 0", Expected 0", High-End 0.01". Chance of more than 0.01": 12%; 0.1": 3%; 0.25": 1%. All higher thresholds are 0%.Napa, CA: Low-End 0", Expected Trace (T), High-End 0.3". Chance of more than 0.01": 72%; 0.1": 52%; 0.25": 30%; 0.5": 3%. All higher thresholds are 0%.Oakland, CA: Low-End 0", Expected 0", High-End 0.1". Chance of more than 0.01": 45%; 0.1": 19%; 0.25": 5%; 0.5": 1%. All higher thresholds are 0%.San Jose, CA: Low-End 0", Expected 0", High-End 0.07". Chance of more than 0.01": 23%; 0.1": 7%; 0.25": 3%. All higher thresholds are 0%.San Rafael, CA: Low-End 0", Expected 0.02", High-End 0.3". Chance of more than 0.01": 78%; 0.1": 49%; 0.25": 30%; 0.5": 2%. All higher thresholds are 0%.Santa Cruz, CA: Low-End 0", Expected 0", High-End 0.1". Chance of more than 0.01": 43%; 0.1": 19%; 0.25": 4%; 0.5": 1%. All higher thresholds are 0%.Santa Rosa, CA: Low-End 0", Expected 0.1", High-End 0.7". Chance of more than 0.01": 88%; 0.1": 76%; 0.25": 66%; 0.5": 51%; 1": 2%. All higher thresholds are 0%.San Francisco (SF), CA: Low-End 0", Expected 0", High-End 0.4". Chance of more than 0.01": 48%; 0.1": 34%; 0.25": 19%; 0.5": 6%. All higher thresholds are 0%.

1-in-10 chance of >=0.4” of rain or more in San Francisco thru 5pm Thursday

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 31/08/2026

8/31/2026: September will be starting off much cooler than average with drizzle and showers at times. We’re also tracking wildfire smoke and weekend rain chances to our south with a connection to the tropics (stay tuned on that)

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 31/08/2026

8/30/2026 Late day sun and low clouds over San Francisco in timelapse #clouds #BayArea #fog

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 31/08/2026

Plume activity on the #PlaskettFire Sunday afternoon 8/30/2026 Showing well on KMUX radar on the fire’s eastern side (likely scanning variable sizes of ash lofted above) #BigSur #California #wildfire

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Reposted by Rob Mayeda NBC Bay Area

Anthony Edwards @edwardsanthonyb.bsky.social · 30/08/2026

A park service assessment of the Dragon Bravo burn scar last summer found that “debris flow risk is localized to steep, confined drainages, like Dragon Creek and upper Bright Angel Creek.”

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Reposted by Rob Mayeda NBC Bay Area

Anthony Edwards @edwardsanthonyb.bsky.social · 30/08/2026

BREAKING: The National Park Service says more than 20 may be missing after a “significant flash flood” hit the Grand Canyon on Saturday. “If you know of anyone who may have been hiking or backpacking in these areas, please contact the NPS Investigative Services Branch Tip Line: 888-653-0009,”

sfchronicle.com

More than 20 may be missing after ‘significant flash flood’ at Grand Canyon

National Park officials closed down the Bright Angel Canyon area as they anticipated a chance of renewed flash flooding through Monday.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 29/08/2026

September sizzle will have to wait… plan on things feeling a bit more like Fall along with some rain chances for parts of Northern California approaching midweek. #BayArea #NorCal #SanFrancisco #SanJose #California

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 27/08/2026

High-based convection t-storms will bring an increasing fire danger concerns for new starts and convective wind gusts, sudden wind shift potential on existing fires near Big Sur. 8/27/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 27/08/2026

8/27/2026: Moisture streaming away from former TS Iselle bringing shower and isolated thunder chances into Friday. #CAwx

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 26/08/2026

8/25/2026: valley heat returning locally but not nearly as hot as what #SoCal will be seeing. How long with cooling later this week we could see a chance of some showers from a weakening tropical storm…stay tuned #BayArea #California

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 24/08/2026

Below 1,000 ft it is the nocturnal fog 🙌🏻 very different though up along the higher hills and mtn ridges

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 24/08/2026

8/23/2026 the conditions that allowed the #HawkFire to grow aggressively to more than 15,000 acres in 24 hours is a reminder that we’re entering the peak time of year for intense wildfires as live fuel moistures reach their low point with hot, dry and windy conditions leading to red flag warnings.

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 24/08/2026

Mostly upper level smoke from the #TimberFire back in the skies near San Jose. Daytime-like dry conditions at night aka nocturnal drying (dry, warm, windy) gave a boost to wildfire activity & smoke. Areas in the (esp South Bay and East Bay) may notice some smoke at times with hazy skies 8/23/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 23/08/2026

Next at 11 @nbcbayarea strong wind and column plume/PyroCu behavior w/ intensity boosts on the #HawkFire w/ challenging wind (shift) conditions down range as columns rise and fall. 8/22/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 23/08/2026

Intense growth on the #HawkFire in Washoe County NW of Reno, timelapse showing columns with pyrocumulus tops at times as the fire grew rapidly into Saturday evening. 8/22/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 23/08/2026

8/22/2026 update: mostly mild north, and hot temps continue south. Although we should more inland temps in the 90s to wrap up the weekend, hotter weather by comparison continues in Southern California. #BayArea #SanFrancisco #SanJose #Oakland #SoCal

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 17/08/2026

8/16/2026 12pm HST / 3pm PDT update: As the worst from now Tropical Storm Lala starts to move out, lasting impacts especially on #Hawaii island, coastal communties, power & roadway infrastructure will continue. #808 #Maui #Oahu #Hurricane

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 15/08/2026

8/15/2026 12PM HST 3PM PDT #Hurricane Lala update still showing peak rain & wind impacts closer to #Hawaii island during the next 24 hours. Flooding impacts, dangerous surf/rip currents likely linger to start the week. #Maui #Oahu #Kauai

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 13/08/2026

Revised magnitude back to 3.8 … here’s the shaking intensity map for the earthquake that occurred near San Leandro at 8:30 AM 8/13/2026

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Rob Mayeda NBC Bay Area @robmayeda.bsky.social · 13/08/2026

That’s refraction from ice crystals… let you know what altitude those clouds are

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