Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62° N Lon: 89.04° W Elev: 801 ft.

Fog

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.23 in
Dewpoint 46°F (8°C)
Visibility 0.50 mi
Last update 27 Aug 4:55 am CDT
Detailed forecast for

Rock County

Early This Morning
Clear. Patchy fog. Southwest winds up to 5 mph.
Today
Sunny in the morning then becoming partly sunny. Highs in the mid 70s. Southwest winds up to 10 mph.
Tonight
Mostly cloudy with a 50 percent chance of light rain showers and thunderstorms. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Thursday
Partly sunny. Slight chance of light rain showers and thunderstorms early in the afternoon. Slight chance of light rain showers late in the afternoon. Highs in the lower 70s. Northwest winds 5 to 10 mph shifting to the northeast in the afternoon. Chance of precipitation 20 percent.
Thursday Night
Cooler. Mostly clear. Lows in the upper 40s. Northeast winds up to 10 mph.
Friday
Sunny. Highs in the upper 60s. Northeast winds up to 5 mph.
Friday Night
Mostly clear. Lows in the mid 40s.
Saturday
Sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows in the upper 40s.
Sunday
Sunny. Highs in the mid 70s.
Sunday Night
Clear. Lows in the lower 50s.
Labor Day
Sunny. Highs in the mid 70s.
Monday Night
Mostly clear. Lows in the lower 50s.
Tuesday
Mostly sunny. Highs in the upper 70s.



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331 AM CDT Wed Aug 27 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database