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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

-8°F

-22°C

Humidity 40%
Wind Speed NW 13 mph
Barometer 30.72 in
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Wind Chill-28°F (-33°C)
Last update 23 Jan 2:45 pm CST
Extended Forecast for

2 Miles NW Alden IL

Cold Weather Advisory January 23, 03:16pm until January 24, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 03:16pm until January 24, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • This Afternoon

    High: -8 °F

    Cold

  • Tonight

    Tonight: Increasing clouds, with a low around -15. Wind chill values as low as -29. North northwest wind 5 to 10 mph.

    Low: -15 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 3. Wind chill values as low as -27. North northwest wind around 5 mph becoming calm in the morning.

    High: 3 °F

    Cold

  • Saturday Night

    Saturday Night: A 50 percent chance of snow after 9pm. Cloudy, with a low around -1. Wind chill values as low as -11. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: -1 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 11. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 11 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 6.

    High: 6 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny and cold, with a high near -8. Wind chill values as low as -30. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around -15. Wind chill values as low as -29. North northwest wind 5 to 10 mph.
Saturday
Mostly cloudy and cold, with a high near 3. Wind chill values as low as -27. North northwest wind around 5 mph becoming calm in the morning.
Saturday Night
A 50 percent chance of snow after 9pm. Cloudy, with a low around -1. Wind chill values as low as -11. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 15 mph.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 11. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Sunny and cold, with a high near 6.
Monday Night
Mostly cloudy, with a low around 0.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Partly cloudy, with a low around -3.
Wednesday
Partly sunny and cold, with a high near 10.
Wednesday Night
Partly cloudy, with a low around -3.
Thursday
Mostly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Alden IL
 42.48°N 88.55°W
Last Update:
3:11 pm CST Jan 23, 2026
Forecast Valid:
3pm CST Jan 23, 2026-6pm CST Jan 29, 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