Current conditions at

Janesville-Rock County (KJVL)

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

Overcast

75°F

24°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 5 Sep 12:45 pm CDT
Detailed forecast for

Rock County

Rest Of Today
Partly sunny. Highs around 80. Northeast winds 5 to 10 mph.
Tonight
Partly cloudy. Patchy fog early in the morning. Lows around 60. Northeast winds up to 10 mph.
Sunday
Partly sunny. Patchy fog in the morning. Highs around 80. East winds up to 10 mph.
Sunday Night
Partly cloudy. Lows in the upper 50s. East winds up to 10 mph.
Labor Day
Mostly sunny. Highs around 80. Southeast winds up to 10 mph.
Monday Night
Partly cloudy through around midnight then becoming mostly cloudy. Lows in the lower 60s.
Tuesday
Partly sunny. Highs in the mid 80s.
Tuesday Night
Partly cloudy with chance of light showers and slight chance of thunderstorms. Lows in the lower 70s. Chance of precipitation 50 percent.
Wednesday
Partly sunny. Highs in the mid 80s.
Wednesday Night
Partly cloudy. Cooler. Lows in the upper 50s.
Thursday
Partly sunny. Highs in the upper 70s.
Thursday Night
Partly cloudy. Lows in the upper 50s.
Friday
Mostly sunny. Highs in the lower 80s.



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1031 AM CDT Sat Sep 5 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database