Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

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

Overcast

36°F

2°C

Humidity 93%
Wind Speed E 5 mph
Barometer 29.95 in
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 27 Dec 12:30 am CST
Detailed forecast for

Rock County

Rest Of Tonight
Cloudy. Widespread fog through the night. Near steady temperature in the mid 30s. Southeast winds up to 5 mph.
Saturday
Cloudy. Widespread fog in the morning. Highs in the lower 40s. Southeast winds 5 to 10 mph.
Saturday Night
Cloudy with a 50 percent chance of light rain. Areas of fog in the late evening and overnight. Lows around 40. Southeast winds 5 to 10 mph.
Sunday
Cloudy. Chance of rain in the morning, then rain in the afternoon. Highs in the upper 40s. Southeast winds around 5 mph shifting to the west 10 to 15 mph in the afternoon. Chance of rain 80 percent.
Sunday Night
Much colder. Windy, cloudy. Light rain and snow likely through around midnight, then chance of light snow after midnight. Snow accumulation up to 1 inch. Lows around 15. West winds 15 to 30 mph. Chance of precipitation 70 percent.
Monday
Mostly cloudy. A 40 percent chance of light snow in the morning. Windy. Much colder. Highs around 20.
Monday Night
Partly cloudy. Lows around 9.
Tuesday
Partly sunny. Highs in the mid 20s.
Tuesday Night
Mostly cloudy. Lows around 15.
Wednesday
Mostly cloudy. Highs in the mid 20s.
Wednesday Night
Mostly cloudy with a 20 percent chance of light snow through around midnight, then partly cloudy after midnight. Colder. Lows around 2.
New Years Day
Sunny, colder. Highs around 12.
Thursday Night
Mostly clear. Lows around 1 below.
Friday
Mostly sunny. Highs around 17.



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1206 AM CST Sat Dec 27 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database