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 >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

-2°F

-19°C

Humidity 54%
Wind Speed Calm
Barometer 30.57 in
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Last update 24 Jan 1:45 pm CST
Extended Forecast for

5 Miles SSW Janesville WI

  • This Afternoon

    This Afternoon: Cloudy and cold, with a high near 3. Wind chill values between -5 and zero. Calm wind becoming northeast around 5 mph.

    High: 3 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -2. Wind chill values between -5 and -15. Calm wind becoming north around 5 mph after midnight.

    Low: -2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy and cold, with a high near 9. Wind chill values between -10 and -15. North wind 10 to 15 mph.

    High: 9 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7. Wind chill values between -15 and -25. Northwest wind around 10 mph.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 9. Northwest wind 10 to 15 mph becoming southwest in the afternoon.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 2. Southwest wind 10 to 15 mph.

    Low: 2 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 14. Northwest wind 10 to 15 mph.

    High: 14 °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

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon.  Partly sunny, with a high near 12.

    High: 12 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Cloudy and cold, with a high near 3. Wind chill values between -5 and zero. Calm wind becoming northeast around 5 mph.
Tonight
Mostly cloudy, with a low around -2. Wind chill values between -5 and -15. Calm wind becoming north around 5 mph after midnight.
Sunday
Mostly cloudy and cold, with a high near 9. Wind chill values between -10 and -15. North wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around -7. Wind chill values between -15 and -25. Northwest wind around 10 mph.
Monday
Sunny and cold, with a high near 9. Northwest wind 10 to 15 mph becoming southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 2. Southwest wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 14. 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 12.
Wednesday Night
Partly cloudy, with a low around -4.
Thursday
Mostly sunny, with a high near 12.
Thursday Night
Mostly clear, 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)
2:06 pm CST Jan 24, 2026
2pm 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