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.

Partly Cloudy

16°F

-9°C

Humidity 79%
Wind Speed S 5 mph
Barometer 30.17 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 5 Feb 2:55 am CST
Extended Forecast for

Alden IL

  • Overnight

    Overnight: Cloudy, with a low around 7. Wind chill values as low as zero. Southwest wind 5 to 10 mph.

    Low: 7 °F

    Cloudy

  • Thursday

    Thursday: Scattered snow showers between 9am and noon. Mostly cloudy, with a high near 31. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 31 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Snow showers likely, possibly mixed with freezing rain and sleet, becoming all snow after 5am. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    Low: 27 °F

    Mostly Cloudy
    then Wintry
    Mix Likely

  • Friday

    Friday: A chance of snow showers and freezing rain before 8am, then a chance of freezing rain and sleet between 8am and 9am. Mostly cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 35 °F

    Breezy.
    Chance Wintry
    Mix then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 5 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Cloudy, with a low around 16.

    Low: 16 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 7. Wind chill values as low as zero. Southwest wind 5 to 10 mph.
Thursday
Scattered snow showers between 9am and noon. Mostly cloudy, with a high near 31. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Snow showers likely, possibly mixed with freezing rain and sleet, becoming all snow after 5am. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Friday
A chance of snow showers and freezing rain before 8am, then a chance of freezing rain and sleet between 8am and 9am. Mostly cloudy, with a high near 35. Breezy, with a north northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 5. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Cloudy, with a low around 16.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
A chance of rain. Cloudy, with a low around 28.
Wednesday
A chance of rain. Cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alden IL
 42.46°N 88.52°W
Last Update:
3:11 am CST Feb 5, 2026
Forecast Valid:
3am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation