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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

50°F

10°C

Humidity 62%
Wind Speed S 12 mph
Barometer 29.96 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Apr 4:35 am CDT
Extended Forecast for

Alden IL

  • Today

    Today: Scattered showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 72. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 72 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. East northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. East southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 2pm and 3pm. Partly sunny, with a high near 72. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 47. West wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph.
Wednesday
Sunny, with a high near 73. East northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. East southeast wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Mostly cloudy, with a high near 63.
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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:
4:31 am CDT Apr 21, 2026
Forecast Valid:
4am CDT Apr 21, 2026-6pm CDT Apr 27, 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