Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

70°F

21°C

Humidity 60%
Wind Speed S 17 G 25 mph
Barometer 29.67 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 12:10 am CDT
Extended Forecast for

Alden IL

Severe T-storm Watch until March 31, 03:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 31, 03:00am

    NOW until 3:00am Tue

    Severe T-storm Watch

  • Overnight

    Low: 60 °F

    Severe
    Thunderstorms

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm.  High near 71. Southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 34. North wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 1pm.  Mostly cloudy, with a high near 40. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 35. East wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 64. Breezy.  Chance of precipitation is 100%.

    High: 64 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 71. Southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 40. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 35. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 64. Breezy. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 61.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Alden IL
 42.46°N 88.52°W
11:46 pm CDT Mar 30, 2026
12am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
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Additional Resources

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