Weather in West Union, IL
Updated 2026-09-26 09:00 local time · ZIP codes 62477
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°13% rain63°12% rain67°11% rain70°10% rain
71°7% rain
73°2% rain74°6% rain74°1% rain
72°4% rain69°7% rain
65°11% rain63°9% 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 13%).
It feels like 54°F with winds near 8 mph.
73°F, 2% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 60°F, wind 8 mph, rain chance up to 13%.
UV index is 1.
Local weather characteristics in West Union
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
West Union is part of the Midwest weather region. The forecast point is near 39.26°N latitude and 87.64°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.
West Union weather today
Overcast and 60°F in West Union, IL. Today's high is 74°F with a 9% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 56%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in West Union
Sunrise is at 06:42 AM and sunset is at 06:41 PM. Tomorrow's forecast calls for Overcast with a high near 74°F and a low near 52°F. The maximum rain chance is 11%.