Current conditions at

Janesville-Rock County (KJVL)

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

Fair

27°F

-3°C

Humidity 74%
Wind Speed W 13 G 16 mph
Barometer 29.56 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 25 Feb 4:35 am CST
Detailed forecast for

Rock County

Early This Morning
Mostly clear. Northwest winds 10 to 15 mph.
Today
Sunny. Highs around 30. Northwest winds 10 to 15 mph.
Tonight
Partly cloudy. Lows around 15. Northwest winds up to 10 mph.
Thursday
Not as cold. Partly sunny. Highs in the lower 40s. Southwest winds up to 10 mph.
Thursday Night
Not as cold. Mostly clear. Lows in the upper 20s. Southwest winds 5 to 10 mph.
Friday
Not as cool. Sunny. Highs in the upper 50s. Southwest winds 10 to 20 mph.
Friday Night
Partly cloudy. Lows in the mid 20s.
Saturday
Mostly cloudy. Chance of light snow in the morning, then light snow likely in the afternoon. Much colder. Highs in the lower 30s. Chance of snow 60 percent.
Saturday Night
Mostly cloudy with a 20 percent chance of light snow through around midnight, then partly cloudy after midnight. Colder. Lows around 15.
Sunday
Partly sunny. A 20 percent chance of light snow in the afternoon. Highs in the upper 20s.
Sunday Night
Mostly cloudy with a 30 percent chance of light snow. Lows around 17.
Monday
Partly sunny. A 20 percent chance of light snow in the morning. Highs in the lower 30s.
Monday Night
Partly cloudy. A 20 percent chance of light snow after midnight. Lows around 17.
Tuesday
Partly sunny with a 30 percent chance of light snow. Highs in the upper 30s.



Basemap Options
Click map to change the forecast location
Loading map...
332 AM CST Wed Feb 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database