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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

28°F

-2°C

Humidity 74%
Wind Speed W 14 mph
Barometer 29.97 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 10 Jan 6:45 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Snow likely, mainly before 3am. Cloudy, with a low around 21. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. West wind around 10 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 47. West wind around 15 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 25. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. North wind around 15 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 3am. Cloudy, with a low around 21. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 41. West wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 47. West wind around 15 mph.
Tuesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 25. West wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. North wind around 15 mph.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 30.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 23.
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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:
6:09 pm CST Jan 10, 2026
Forecast Valid:
7pm CST Jan 10, 2026-6pm CST Jan 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