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Advance Weather @advanceweather.bsky.social · 07/10/2026

Wednesday will bring varying conditions across the region, including showers for the GTA and Eastern Ontario, a mix of sun and cloud for Midwestern and Central Ontario, and sunny skies in Deep Southwestern Ontario.

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Advance Weather @advanceweather.bsky.social · 06/10/2026

Tuesday will be a slightly warmer day across the region, with no precipitation expected along with sunny skies. Frost Advisories are in effect for many areas tonight.

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Advance Weather @advanceweather.bsky.social · 05/10/2026

5:17 PM ET - A Frost Advisory is in place for much of Southern #Ontario. Central Ontario is not included as Frost Advisories end there earlier in the month, however frost is still likely. Ensure plants are covered up or brought inside to prevent damage as temperatures fall near 0ºC tonight.

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Advance Weather @advanceweather.bsky.social · 05/10/2026

Some more showers are expected Monday in portions of Central, Eastern and Southwestern Ontario. Otherwise, varying conditions of sun and cloud is expected. It will be a cooler day across the area.

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Advance Weather @advanceweather.bsky.social · 04/10/2026

**Widespread Frost Possible Tuesday Morning** We are monitoring low temperatures tomorrow night into Tuesday morning that may fall close to or below the freezing mark. If temperatures fall low enough for Frost, this will likely be the first widespread frost of the season.

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Advance Weather @advanceweather.bsky.social · 04/10/2026

Sunday will bring showers, heavy at times, to much of the region. Sun and clouds are expected in Southwestern Ontario, with the risk for isolated showers. Frost Advisories are in effect for portions of Eastern Ontario.

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Advance Weather @advanceweather.bsky.social · 03/10/2026

3:48 PM ET - Frost Advisory in effect for portions of Eastern Ontario. Temperatures are expected to fall to near the freezing mark tonight into Sunday morning. Damage to plants, trees, and crops is possible. Ensure plants are brought inside or covered up to prevent damage.

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Advance Weather @advanceweather.bsky.social · 02/10/2026

Friday will be a cooler day across the region, with a mix of sun and cloud for all areas. No humidity is expected. Rain and maybe some thunder is likely overnight into tomorrow morning. The rain is expected to clear out of the region by mid to late morning.

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Advance Weather @advanceweather.bsky.social · 01/10/2026

6:37 PM ET - RADAR UPDATE: Rain is expected to move across the area tonight, with some periods of heavier rain possible. Some thunder is possible as well. *Image courtesy of WeatherWise.

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Advance Weather @advanceweather.bsky.social · 01/10/2026

The month of October will begin with continued rain showers throughout the day on Thursday, with some breaks in the rain likely. It will be a more humid day across Southern Ontario with portions of Southwestern Ontario likely to see Humidex values in the low 30s.

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Advance Weather @advanceweather.bsky.social · 30/09/2026

Wednesday will bring showers to much of the region, which will be intermittent through the day. Showers may be heavy at times. A mix of sun and cloud is expected for Eastern Ontario. Some fog is possible again tomorrow morning across the region.

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Advance Weather @advanceweather.bsky.social · 29/09/2026

**School Bus Cancellations - September 29, 2026** Buses in All Zones for the Lambton Kent District School Board and St. Clair Catholic District School Board have been cancelled this morning due to fog. Buses in All Zones will run this afternoon. #ckont #ONwx

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Advance Weather @advanceweather.bsky.social · 29/09/2026

6:04 AM ET - Fog Advisory in effect for Chatham-Kent and Sarnia-Lambton. An area of dense fog has developed early this morning. As a result, visibility will be reduced to near zero in some locales. Visibility will improve later this morning as the dense fog dissipates.

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Advance Weather @advanceweather.bsky.social · 29/09/2026

Tuesday will bring a mix of sun and cloud to much of the region, with mainly sunny skies expected in Southwestern Ontario and along the Lake Huron shoreline. The day will likely begin with some fog for much of the region.

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Advance Weather @advanceweather.bsky.social · 28/09/2026

Monday will bring sun and clouds to much of the region, with some showers at times in portions of Central and Eastern Ontario.

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Advance Weather @advanceweather.bsky.social · 25/09/2026

Saturday will bring another dry day filled with sunshine across Southern Ontario. Temperatures into the 20s are expected. The calm and dry conditions are expected to continue through the weekend and into the first half of next week.

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Advance Weather @advanceweather.bsky.social · 25/09/2026

Friday will bring another sunshine filled day across the region. There will be some clouds around, but mainly upper level clouds, so the sun should be quite prominent. Frost Advisories are in place for portions of Central, Eastern and Midwestern Ontario tonight.

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Advance Weather @advanceweather.bsky.social · 24/09/2026

6:38 PM ET - Frost Advisory in effect for a good portion of Southern Ontario. Patchy frost is expected Friday morning. Damage to plants, trees, and crops is possible.

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Advance Weather @advanceweather.bsky.social · 24/09/2026

Thursday will bring another day of Fall temperatures and no humidity. Mainly sunny skies are forecasted across the region. Frost Advisories are in effect tonight once again for portions of Central and Eastern Ontario.

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Advance Weather @advanceweather.bsky.social · 23/09/2026

5:52 PM ET - Frost Advisory continues for portions of Central and Eastern #Ontario. Patchy frost will return Thursday morning. Frost may return to some areas Friday morning. Damage to plants, trees, and crops is possible.

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Advance Weather @advanceweather.bsky.social · 23/09/2026

Wednesday will bring varying conditions of sun and cloud to the region. While Central and Eastern Ontario are likely to see mainly sunny skies, more clouds are expected in Southwestern Ontario.

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Advance Weather @advanceweather.bsky.social · 22/09/2026

5:41 PM ET - Frost Advisory in effect for portions of Central and Eastern #Ontario. Patchy frost is likely in many regions again on Wednesday morning. Damage to plants, trees, and crops is possible.

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Advance Weather @advanceweather.bsky.social · 21/09/2026

Monday will bring sun and clouds to much of the region, with mainly cloudy skies expected in Southwestern Ontario. It will be a cooler day across Southern Ontario, bringing a very fall-like feel to the area. Humidity is not forecasted.

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Advance Weather @advanceweather.bsky.social · 20/09/2026

2:44 PM ET - Frost Advisory in effect for portions of Central and Eastern #Ontario. Freezing temperatures with frost are expected tonight. Patchy frost is expected early Monday morning as temperatures fall to near the freezing mark.

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Advance Weather @advanceweather.bsky.social · 20/09/2026

Sunday will bring continued rain to Southwestern Ontario and portions of Eastern Ontario. A mix of sun and cloud is expected elsewhere. Rain is expected to taper off for a period of time tonight before moving back in tomorrow morning.

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Advance Weather @advanceweather.bsky.social · 19/09/2026

Saturday will bring rain, heavy at times, to Southwestern Ontario. Showers are expected in Midwestern Ontario and the Golden Horseshoe. Elsewhere, a mix of sun and cloud is expected. It will be a cooler and more fall-like day across the region.

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Advance Weather @advanceweather.bsky.social · 17/09/2026

**Fall Equinox is Coming!** Fall will officially arrive next Tuesday, September 22 at 8:04 PM! That day, day and night are roughly equal in length. Following the Fall Equinox, nights gradually become longer and days become shorter. It will officially be Fall until Monday, December 21.

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Advance Weather @advanceweather.bsky.social · 17/09/2026

Thursday will bring some showers, heavy at times, to Southwestern Ontario during the morning hours. Some showers will be possible elsewhere during the day with a mix of sun and cloud.

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Advance Weather @advanceweather.bsky.social · 16/09/2026

Wednesday will bring a mix of sun and cloud to the region, with humid conditions expected in Southwestern Ontario. There will be a risk for showers at any time tomorrow across the region, but any showers are not anticipated to last very long.

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Advance Weather @advanceweather.bsky.social · 15/09/2026

7:09 PM ET - Frost Advisory in effect for portions of Eastern #Ontario. Patchy frost is expected tonight into Tuesday morning as temperatures drop to near the freezing mark. Damage to plants, trees, and crops is possible. Cover up plants, especially those in frost-prone areas.

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Advance Weather @advanceweather.bsky.social · 14/09/2026

Tuesday will bring periods of showers across the region, with sun and cloud expected otherwise. It will be a warmer and more humid day. Consistent rain is not expected tomorrow, and some areas may luck out and avoid the rain completely.

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Advance Weather @advanceweather.bsky.social · 14/09/2026

The new work will begin with sun and clouds across the region on Monday. It will be a very pleasant day across the region with temperatures in the mid teens to low 20s and low humidity.

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Advance Weather @advanceweather.bsky.social · 09/09/2026

**Very Low Risk for Severe Weather Wednesday** With a hot and humid airmass in place over Southern Ontario, there will be a risk for strong to severe thunderstorms to develop. The main time frame will be 12 PM to 8 PM.

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Advance Weather @advanceweather.bsky.social · 09/09/2026

Wednesday will be warm and very humid with rain and thunderstorms across the region. There will be periods of time that some sun may peek through, however.

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Advance Weather @advanceweather.bsky.social · 08/09/2026

**High UV Index Tuesday** With a mix of sun and cloud in the forecast across the region Tuesday, UV Index values be in the Moderate to High categories across the region. The highest UV Index will be 7.

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Advance Weather @advanceweather.bsky.social · 08/09/2026

Tuesday will bring a mix of sun and cloud to the region, with a chance for some showers in Central Ontario during the afternoon and evening hours. Tomorrow is the first day of school for many school boards. We wish everyone going back to school a wonderful school year ahead.

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Advance Weather @advanceweather.bsky.social · 07/09/2026

**Rain and Thunderstorms Likely Wednesday** If you have outdoor plans on Wednesday, you will want to keep an eye on the forecast. Rain and thunderstorms are likely through most of the day.

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Advance Weather @advanceweather.bsky.social · 07/09/2026

**High UV Index Monday** With mainly sunny skies in the forecast across the region Monday, UV Index values be in the High category across the region. The highest UV Index will be 7.

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Advance Weather @advanceweather.bsky.social · 07/09/2026

Labour Day will bring mainly sunny skies across the region, with low humidity once again. Conditions will be pleasant for the holiday. We continue to monitor a threat for rain and thunderstorms mid-week. Some thunderstorms on Wednesday may be strong and produce heavy rain.

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Advance Weather @advanceweather.bsky.social · 06/09/2026

**Severe Weather Summary - September 2nd and 3rd 2026** Severe weather passed through Southern Ontario during the afternoon and evening hours of September 2nd and 3rd, 2026, prompting multiple watches and warnings to be issued by Environment Canada.

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Advance Weather @advanceweather.bsky.social · 06/09/2026

**High UV Index Sunday** With sun and clouds in the forecast Sunday, UV Index values be in the High category across the region. The highest UV Index will be 7. The higher the UV Index, the stronger the sun’s rays, meaning you need to take more precautions to protect your skin.

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Advance Weather @advanceweather.bsky.social · 06/09/2026

Sunday will bring a mix of sun and cloud to the region, with temperatures comparable to today and low humidity once again. Some sprinkles are possible across the region tomorrow, however the risk is relatively low and would not ruin outdoor plans.

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Advance Weather @advanceweather.bsky.social · 05/09/2026

**High UV Index Saturday** With sun and clouds in the forecast Saturday, UV Index values will range from the Moderate to High categories. The highest UV Index will be 7.

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Advance Weather @advanceweather.bsky.social · 05/09/2026

A mix of sun and cloud is expected across the region for Saturday. Lower humidity is expected, with a slight chance for showers over any area at any time.

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Advance Weather @advanceweather.bsky.social · 05/09/2026

**Advance Weather Sends a Thank You** It has been a long week for our emergency and essential workers with several rounds of severe weather in #ONstorm. We would like to thank EVERYONE who works before, during, and after severe weather to keep our communities safe.

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Advance Weather @advanceweather.bsky.social · 04/09/2026

**High UV Index Friday** With varying conditions of sun and cloud in the forecast Friday, as well as showers in Midwestern and Southwestern Ontario, UV Index values will range from the Moderate to High categories. The highest UV Index will be 7.

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Advance Weather @advanceweather.bsky.social · 04/09/2026

Friday will bring some showers to Midwestern and Southwestern Ontario, as well as the GTHA. Some morning thunderstorms are possible in Deep Southwestern Ontario.

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Advance Weather @advanceweather.bsky.social · 03/09/2026

5:41 PM ET - ORANGE LEVEL Severe Thunderstorm Warning continues. A line of dangerous thunderstorms is located from about 15 km south of Pelee Island to 25 km south of Dealtown then to Rondeau Provincial Park.

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Advance Weather @advanceweather.bsky.social · 03/09/2026

5:17 PM ET - All Tornado Warnings have ENDED at this time. ORANGE Severe Thunderstorm Warning continues at this time. A line of dangerous thunderstorms is located from about 20 km west of Pelee Island to Point Pelee National Park of Canada then to Charing Cross.

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Advance Weather @advanceweather.bsky.social · 03/09/2026

5:03 PM - TORNADO WARNING continues for portions of Windsor-Essex and Chatham-Kent. An area of severe thunderstorms capable of producing a tornado is located over Wheatley Provincial Park. This severe thunderstorm is moving quickly to the southeast at 70 km/h.

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