Janesville, IL

Weather

As ofJul 06, 2026 9:39 AM

Current Temperature

73degrees Fahrenheit

Feels like:73°

Hi:80°Lo:68°

Mostly Cloudy

Janesville, IL weather radar map

Windchill: 73°
Daily Rain: 0"
Dew point: 69°
Monthly Rain: 1.39"
Humidity: 87%
Avg. Wind: NNE 5 mph
Pressure: 30.02" →
Wind Gust: 6 mph
Sunrise: 5:32 AM
Moon: Waning Gibbous
Sunset: 8:22 PM
UV Index: 5 (Moderate)

Today
Hi
Mostly cloudy this morning then partly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. North winds 5 to 10 mph. Chance of rain 20 percent.
Tonight
Lo
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. North winds 5 to 10 mph. Chance of rain 20 percent.

Janesville, IL 10-day weather forecast

FEATURED VIDEOS

“Corn sweat” is the very real, very gross-sounding nickname for the moisture crops release into the air every summer through evapotranspiration. — Is the corn sweating yet

Air Quality Index: 36|Fair
Top Triggers:: pm25

View Today's Air Quality details for Janesville, IL

Pollen Count: 4|Low-Medium
Predominant Pollen:: Grass, Sorrel/Dock, Nettle

Janesville, IL Pollen forecast details

Closest strike in the last 30 minutes:555.7 miles

No Lightning Nearby

Janesville, IL real-time lightning alerts & live Map

Today's Severe Weather Outlook

Slow-Moving Disturbance Set to Soak Northeast

Periods of rain and embedded thunderstorms will occur across parts of southern New England into the northern Mid-Atlantic today into Tuesday. Some of the rain will be heavy at times and could lead to localized flooding concerns.

Today's Weather Outlook

Today's Weather Outlook

Drought Monitor for July 2, 2026

Stormy, Soggy Summertime Leads to Widespread Drought Improvements

This house is flooded by the Cross Lake near Shreveport, La. Submitted by WeatherBug user Mary Nash on March 9, 2016.

Flood Safety Tips

Dry and cracking mud (Wikimedia Commons)

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Young bearded man using electric fan at home. (EugeneEdge via Shutterstock)

How to Stay Cool When There's No A.C.

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