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.

Mostly Cloudy

34°F

1°C

Humidity 65%
Wind Speed W 13 G 20 mph
Barometer 29.91 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Jan 1:45 pm CST
Extended Forecast for

6 Miles SE Rockdale WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 34. West wind around 15 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers between 1am and 4am. Mostly cloudy, with a low around 19. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind around 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 5 to 15 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain. Partly sunny, with a high near 45. Southwest wind around 15 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow, mainly after midnight. Mostly cloudy, with a low around 25. West wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers, mainly after 5pm. Partly sunny, with a high near 34. West wind around 15 mph.
Tonight
A 50 percent chance of snow showers between 1am and 4am. Mostly cloudy, with a low around 19. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind around 10 mph.
Monday
Sunny, with a high near 40. West wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 5 to 15 mph.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 45. Southwest wind around 15 mph.
Tuesday Night
A chance of rain and snow, mainly after midnight. Mostly cloudy, with a low around 25. West wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 28.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Rockdale WI
 42.91°N 88.96°W (Elev. 807 ft)
Last Update:
1:37 pm CST Jan 10, 2026
Forecast Valid:
1pm CST Jan 10, 2026-6pm CST Jan 16, 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