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

Winter Storm For Carolinas

A cold arctic air mass is gripping much of the Eastern two-thirds of the U.S. today. This frigid air mass will set the stage for a wintry mess of snow, sleet and freezing rain across parts of the Carolinas and Delmarva Peninsula through Saturday morning. The frozen precipitation may result in dangerous travel conditions and scattered power outages. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

19°F

-7°C

Humidity 53%
Wind Speed SW 12 mph
Barometer 30.52 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 21 Jan 11:45 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 19. South wind 10 to 15 mph.

    Sunny

    High: 19 °F

  • Tonight

    Tonight: A 50 percent chance of snow, mainly between 2am and 5am. Increasing clouds, with a low around 12. Wind chill values between zero and 5. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Partly Cloudy
    then Chance
    Snow

    Low: 12 °F

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Decreasing
    Clouds

    High: 24 °F

  • Saturday
    Night

    Saturday Night: Snow, mainly after 11pm. Low around 8. Wind chill values between zero and 5. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Snow Likely
    then Snow

    Low: 8 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 15. North wind 5 to 10 mph becoming west in the afternoon.

    Mostly Sunny

    High: 15 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of snow after midnight. Increasing clouds, with a temperature rising to around 18 by 5am. South wind 5 to 10 mph.

    Mostly Cloudy
    then Chance
    Snow

    Low: 10 °F⇑

  • Monday

    Monday: A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. South wind around 10 mph becoming northwest in the afternoon.

    Chance Snow

    High: 32 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. North wind around 10 mph.

    Decreasing
    Clouds

    Low: 3 °F

  • Tuesday

    Tuesday: Sunny, with a high near 11.

    Sunny

    High: 11 °F

Detailed Forecast

This Afternoon
Sunny, with a high near 19. South wind 10 to 15 mph.
Tonight
A 50 percent chance of snow, mainly between 2am and 5am. Increasing clouds, with a low around 12. Wind chill values between zero and 5. South wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Snow, mainly after 11pm. Low around 8. Wind chill values between zero and 5. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 15. North wind 5 to 10 mph becoming west in the afternoon.
Sunday Night
A 50 percent chance of snow after midnight. Increasing clouds, with a temperature rising to around 18 by 5am. South wind 5 to 10 mph.
Monday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 32. South wind around 10 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. North wind around 10 mph.
Tuesday
Sunny, with a high near 11.
Tuesday Night
Mostly clear, with a low around -8.
Wednesday
Sunny, with a high near 11.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Partly sunny, with a high near 26.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
12:27 pm CST Jan 21, 2022
Forecast Valid:
12pm CST Jan 21, 2022-6pm CST Jan 27, 2022
 
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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