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.

Fog/Mist

34°F

1°C

Humidity 87%
Wind Speed N 14 G 26 mph
Barometer 29.79 in
Dewpoint 30°F (-1°C)
Visibility 2.50 mi
Wind Chill25°F (-4°C)
Last update 11 Mar 9:45 am CDT
Extended Forecast for

Alden IL

  • Today

    Today: Rain and snow, becoming all snow after noon. High near 34. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow
    then Snow and
    Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers. Low around 35. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Showers and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 44. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 44 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 40. Breezy.

    High: 40 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Today
Rain and snow, becoming all snow after noon. High near 34. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers. Low around 35. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 44. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 30.
Sunday
Rain and snow. Cloudy, with a high near 40. Breezy.
Sunday Night
A chance of snow before 1am. Cloudy, with a low around 13. Blustery.
Monday
Mostly cloudy, with a high near 25. Blustery.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Mostly sunny, with a high near 27.
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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:
10:11 am CDT Mar 11, 2026
Forecast Valid:
10am CDT Mar 11, 2026-6pm CDT Mar 17, 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