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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

21°F

-6°C

Humidity 68%
Wind Speed W 17 G 26 mph
Barometer 29.68 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 16 Jan 10:15 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: A 50 percent chance of snow. Mostly cloudy, with a low around 13. Wind chill values between zero and 10. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly between 7am and 11am. Cloudy, with a high near 18. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 18 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values between -5 and 5. West wind around 10 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 19. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph.

    High: 19 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -2 °F

    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 6. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 6 °F

    Cold and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. West wind 5 to 15 mph.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 19. West wind 5 to 10 mph.

    High: 19 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 18.

    Low: 18 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 13. Wind chill values between zero and 10. West wind around 15 mph, with gusts as high as 25 mph.
Saturday
Snow likely, mainly between 7am and 11am. Cloudy, with a high near 18. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values between -5 and 5. West wind around 10 mph.
Sunday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 19. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around -2. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
M.L.King Day
Partly sunny and cold, with a high near 6. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -2. West wind 5 to 15 mph.
Tuesday
Increasing clouds, with a high near 19. West wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 18.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Partly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 23.
Basemap Options
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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:
9:06 pm CST Jan 16, 2026
Forecast Valid:
10pm CST Jan 16, 2026-6pm CST Jan 23, 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