Weather in Deer Grove, IL
Updated 2026-09-26 09:00 local time · ZIP codes 61243

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
53°18% rain
56°16% rain
59°15% rain
62°14% rain
64°13% rain
65°12% rain
66°12% rain
66°12% rain
65°14% rain
66°16% rain
63°17% rain
61°17% 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 18%).
It feels like 49°F with winds near 8 mph.
66°F, 12% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 53°F, wind 8 mph, rain chance up to 18%.
UV index is 1.
Local weather characteristics in Deer Grove
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Deer Grove is part of the Midwest weather region. The forecast point is near 41.61°N latitude and 89.69°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.
Deer Grove weather today
Overcast and 53°F in Deer Grove, IL. Today's high is 66°F with a 15% rain chance. Winds are around 8 mph with gusts near 12 mph. Relative humidity is 69%, pressure is 30.21 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Deer Grove
Sunrise is at 06:50 AM and sunset is at 06:49 PM. Tomorrow's forecast calls for Sunny with a high near 69°F and a low near 54°F. The maximum rain chance is 7%.