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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

34°F

1°C

Humidity 81%
Wind Speed E 13 mph
Barometer 29.82 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 15 Mar 1:55 am CDT
Extended Forecast for

4 Miles WNW Beloit WI

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

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 5am. Cloudy, with a low around 32. East wind around 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and thunderstorms, then rain and possibly a thunderstorm after 9am. High near 56. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain, snow, and sleet before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Patchy blowing snow after 10pm. Low around 18. Windy, with a northwest 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: 18 °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 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch 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 5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Northwest wind around 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 16. South wind 5 to 15 mph. Chance of precipitation is 80%.

    Low: 16 °F

    Snow

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind around 10 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 5am. Cloudy, with a low around 32. East wind around 15 mph, with gusts as high as 30 mph.
Sunday
A slight chance of rain and thunderstorms, then rain and possibly a thunderstorm after 9am. High near 56. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 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 before 10pm, then snow, possibly mixed with sleet between 10pm and 11pm, then snow after 11pm. Patchy blowing snow after 10pm. Low around 18. Windy, with a northwest 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 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23. Northwest wind around 10 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 16. South wind 5 to 15 mph. Chance of precipitation is 80%.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 42. South wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 50.
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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:
1:22 am CDT Mar 15, 2026
Forecast Valid:
2am CDT Mar 15, 2026-6pm CDT Mar 21, 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