Weather in Thomson, IL
Updated 2026-08-11 11:00 local time · ZIP codes 61285

Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
68°57% rain
79°29% rain
83°9% rain
86°16% rain
85°7% rain
89°5% rain
87°5% rain
85°7% rain
84°6% rain
81°9% rain
79°11% rain
77°16% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 57% over the next 12 hours.
It feels like 68°F with winds near 3 mph.
81°F, 9% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 15 mph.
Current temperature is 68°F, wind 3 mph, rain chance up to 57%.
UV index is 1.
Thomson weather today
Cloudy and 68°F in Thomson, IL. Today's high is 89°F with a 62% rain chance. Winds are around 3 mph with gusts near 5 mph. Relative humidity is 94%, pressure is 29.87 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Thomson
Sunrise is at 06:04 AM and sunset is at 08:06 PM. Tomorrow's forecast calls for Sunny with a high near 82°F and a low near 69°F. The maximum rain chance is 82%.