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 100%
Wind Speed NE 8 mph
Barometer 29.65 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Mar 3:15 am CDT
Extended Forecast for

Beloit WI

  • Overnight

    Overnight: A 30 percent chance of rain and thunderstorms. Cloudy, with a steady temperature around 39. North wind around 10 mph.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, snow, and sleet, becoming all snow after noon. High near 38. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.

    High: 38 °F

    Wintry Mix
    then Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 15 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain. Low around 36. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 44. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 44 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Northwest wind 10 to 15 mph becoming light north after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Cloudy, with a high near 40. Southeast wind 5 to 10 mph.

    High: 40 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of rain and thunderstorms. Cloudy, with a steady temperature around 39. North wind around 10 mph.
Wednesday
Rain, snow, and sleet, becoming all snow after noon. High near 38. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph.
Thursday Night
Rain. Low around 36. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 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 44. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 26. Northwest wind 10 to 15 mph becoming light north after midnight.
Saturday
A 40 percent chance of snow. Cloudy, with a high near 40. Southeast wind 5 to 10 mph.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 31. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 40. Breezy. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 13. Blustery. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 28.
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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:
3:14 am CDT Mar 11, 2026
Forecast Valid:
3am CDT Mar 11, 2026-6pm CDT Mar 17, 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