Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

-11°F

-24°C

Humidity 63%
Wind Speed NW 3 mph
Barometer 30.73 in
Dewpoint -20°F (-29°C)
Visibility 10.00 mi
Last update 24 Jan 5:45 am CST
Extended Forecast for

5 Miles SSW Janesville WI

Cold Weather Advisory January 24, 05:48am until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 24, 05:48am until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 3 °F

    Cold

  • Tonight

    Tonight: A 20 percent chance of snow after 8pm.  Mostly cloudy, with a low around -3. Wind chill values between -10 and -15. Calm wind becoming north around 5 mph after midnight.

    Low: -3 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow.  Mostly cloudy and cold, with a high near 9. Wind chill values between -5 and -15. North wind 5 to 15 mph.

    High: 9 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -7. Wind chill values between -10 and -20. Northwest wind around 10 mph.

    Low: -7 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 8. West wind 10 to 15 mph.

    High: 8 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0. Southwest wind 10 to 15 mph.

    Low: 0 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 16. Northwest wind 10 to 15 mph.

    High: 16 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -3. West wind 5 to 10 mph.

    Low: -3 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny and cold, with a high near 3. Wind chill values between -15 and -25. North wind around 5 mph becoming calm.
Tonight
A 20 percent chance of snow after 8pm. Mostly cloudy, with a low around -3. Wind chill values between -10 and -15. Calm wind becoming north around 5 mph after midnight.
Sunday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 9. Wind chill values between -5 and -15. North wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around -7. Wind chill values between -10 and -20. Northwest wind around 10 mph.
Monday
Sunny and cold, with a high near 8. West wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 0. Southwest wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 16. Northwest wind 10 to 15 mph.
Tuesday Night
Partly cloudy, with a low around -3. West wind 5 to 10 mph.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 11.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Sunny, with a high near 12.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 15.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
4:27 am CST Jan 24, 2026
5am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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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