Weather in Thompsonville, IL
Updated 2026-09-26 11:00 local time · ZIP codes 62890
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
71°9% rain70°9% rain71°9% rain70°9% rain69°10% rain70°10% rain68°10% rain68°10% rain
68°10% rain68°10% rain68°10% rain67°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 64°F with winds near 7 mph.
70°F, 9% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 9 mph.
Current temperature is 71°F, wind 7 mph, rain chance up to 10%.
UV index is 2.
Local weather characteristics in Thompsonville
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Thompsonville is part of the Midwest weather region. The forecast point is near 37.92°N latitude and 88.76°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Thompsonville weather today
Overcast and 71°F in Thompsonville, IL. Today's high is 71°F with a 10% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 30%, pressure is 30.14 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Thompsonville
Sunrise is at 06:46 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Sunny with a high near 82°F and a low near 59°F. The maximum rain chance is 36%.