
Thompson Weather Shift: From Warm Sunshine to Cooler Rain by Week’s End - AI Generated Image
Thompson residents are starting the week under sunny skies and warmer-than-normal conditions, but the latest forecast points to a marked shift ahead.
As of late Tuesday morning, September 23, the temperature in Thompson was 17.4°C under mainly sunny skies, with a forecast high of 23°C. This is well above the seasonal average of 10°C, offering a pleasant and mild start to the week.
The warmth is expected to hold through Wednesday, with a high of 21°C and increasing cloudiness in the afternoon. Showers are likely Wednesday night as temperatures dip to 5°C. Thursday will be drier but noticeably cooler, with sunshine returning and a high of 16°C.
A sharper change arrives Friday, with widespread rain and a high of only 12°C — the coolest daytime temperature in the forecast. The weekend outlook is more settled, with a mix of sun and cloud and highs of 16°C on Saturday and 17°C on Sunday.
Environment Canada data shows Thompson is in the midst of a typical autumn transition, where late-season warmth can give way to cooler, wetter days within a short span. For residents, this means enjoying the last stretch of mild weather early in the week while preparing for damp and cooler conditions before the weekend.