Weather in Eureka, IL
Updated 2026-08-11 11:45 local time · ZIP codes 61530
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
71°3% rain96°2% rain96°1% rain95°2% rain
93°18% rain95°2% rain91°12% rain88°4% rain
85°5% rain83°5% rain82°9% rain80°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 18%).
It feels like 71°F with winds near 12 mph.
85°F, 5% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is 71°F, wind 12 mph, rain chance up to 18%.
UV index is 1.
Eureka weather today
Sunny and 71°F in Eureka, IL. Today's high is 96°F with a 17% rain chance. Winds are around 12 mph with gusts near 16 mph. Relative humidity is 83%, pressure is 29.92 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Eureka
Sunrise is at 06:03 AM and sunset is at 08:01 PM. Tomorrow's forecast calls for Mist with a high near 81°F and a low near 72°F. The maximum rain chance is 77%.