National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

36°F

2°C

Humidity 81%
Wind Speed NW 17 mph
Barometer 29.98 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 11 Mar 4:45 pm CDT
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 15 mph becoming southwest in the afternoon.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain. Low around 35. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 43. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 43 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Northwest wind 5 to 15 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 41. Calm wind becoming southeast around 5 mph in the morning.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then snow, possibly mixed with rain. Low around 30. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow. High near 39. Windy, with an east wind 20 to 25 mph becoming north in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 39 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 14. Windy. Chance of precipitation is 80%.

    Low: 14 °F

    Rain/Snow and
    Windy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph becoming southwest in the afternoon.
Thursday Night
Rain. Low around 35. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 43. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 15 mph.
Saturday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 41. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
A chance of snow before 1am, then snow, possibly mixed with rain. Low around 30. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain and snow. High near 39. Windy, with an east wind 20 to 25 mph becoming north in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Snow, possibly mixed with rain before 1am, then a chance of snow. Low around 14. Windy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 23. Blustery.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Sunny, with a high near 26.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Beloit WI
 42.54°N 89.1°W (Elev. 889 ft)
Last Update:
4:34 pm CDT Mar 11, 2026
Forecast Valid:
5pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation