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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

32°F

0°C

Humidity 80%
Wind Speed E 15 mph
Barometer 30.03 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 14 Mar 8:45 pm CDT
Extended Forecast for

Beloit WI

Winter Storm Watch March 15, 04:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A slight chance of snow before 11pm, then a chance of rain. Cloudy, with a low around 34. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday

    Sunday: Rain and thunderstorms before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 55. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, snow, and sleet, becoming all snow after 10pm. Some thunder is also possible. Patchy blowing snow after 10pm. Low around 17. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Wind chill values between zero and 5. Windy, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West wind 5 to 10 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 17. South wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 17 °F

    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind 5 to 10 mph becoming west in the afternoon.

    High: 42 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 11pm, then a chance of rain. Cloudy, with a low around 34. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Rain and thunderstorms before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 55. South wind around 15 mph, with gusts 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
Rain, snow, and sleet, becoming all snow after 10pm. Some thunder is also possible. Patchy blowing snow after 10pm. Low around 17. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Wind chill values between zero and 5. Windy, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 22. West wind 5 to 10 mph.
Tuesday Night
Snow. Low around 17. South wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.54°N 89.01°W (Elev. 810 ft)
Last Update:
8:42 pm CDT Mar 14, 2026
Forecast Valid:
9pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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