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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds

10°F

-12°C

Humidity 72%
Wind Speed Vrbl 6 mph
Barometer 30.32 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 3 Feb 7:45 pm CST
Extended Forecast for

Alden IL

  • Tonight

    Tonight: Partly cloudy, with a low around 11. North wind around 5 mph.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Northwest wind around 5 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 10 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow and sleet between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow/Sleet

  • Friday

    Friday: Partly sunny, with a high near 38. Breezy.

    High: 38 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 24. Northwest wind around 5 mph.
Wednesday Night
Increasing clouds, with a low around 10. Calm wind becoming southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Thursday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 31. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow and sleet between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 25. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 38. Breezy.
Friday Night
Mostly clear, with a low around 9.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alden IL
 42.46°N 88.52°W
Last Update:
8:16 pm CST Feb 3, 2026
Forecast Valid:
8pm CST Feb 3, 2026-6pm CST Feb 10, 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