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.

Mostly Cloudy and Breezy

43°F

6°C

Humidity 46%
Wind Speed W 24 G 48 mph
Barometer 29.62 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 13 Mar 12:45 pm CDT
Extended Forecast for

Beloit WI

Winter Storm Watch March 14, 07:00pm until March 16, 04:00pm
High Wind Warning March 13, 12:50pm until March 13, 04:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  •  
    High Wind Warning March 13, 12:50pm until March 13, 04:00pm

    NOW until 4:00pm Fri

    High Wind Warning

  • This Afternoon

    High: 44 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 35 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Cloudy, with a high near 40. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 40 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 11pm, then a chance of rain and snow between 11pm and 1am, then a chance of rain after 1am. Cloudy, with a low around 33. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 57. Breezy, with a southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Rain Likely
    then Rain and
    Breezy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Patchy blowing snow after 10pm. Low around 19. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 22. Windy, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.

    High: 22 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 44. Windy, with a west wind around 30 mph, with gusts as high as 50 mph.
Tonight
Partly cloudy, with a low around 27. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 35 mph.
Saturday
A 20 percent chance of snow after noon. Cloudy, with a high near 40. Light east wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
A chance of snow before 11pm, then a chance of rain and snow between 11pm and 1am, then a chance of rain after 1am. Cloudy, with a low around 33. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
Rain and possibly a thunderstorm. High near 57. Breezy, with a southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Patchy blowing snow after 10pm. Low around 19. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 22. Windy, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 23.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 19.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
12:23 pm CDT Mar 13, 2026
Forecast Valid:
12pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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