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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

55°F

13°C

Humidity 94%
Wind Speed S 12 G 17 mph
Barometer 29.38 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 8 Jan 7:45 pm CST
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then a chance of rain. Low around 38. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming calm.

    Low: 30 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Light west wind increasing to 10 to 15 mph in the morning.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind around 15 mph.

    Low: 19 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 10 to 15 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Southwest wind 5 to 10 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 38. Southwest wind 10 to 15 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 31.

    Low: 31 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Rain and thunderstorms before 3am, then a chance of rain. Low around 38. Breezy, with a south wind around 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming calm.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Light west wind increasing to 10 to 15 mph in the morning.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind around 15 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 21. Southwest wind 5 to 10 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 38. Southwest wind 10 to 15 mph.
Monday Night
Increasing clouds, with a low around 31.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 41.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly 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:
7:37 pm CST Jan 8, 2026
Forecast Valid:
7pm CST Jan 8, 2026-6pm CST Jan 15, 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