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.

Overcast

50°F

10°C

Humidity 82%
Wind Speed W 16 G 29 mph
Barometer 29.78 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 3 Apr 1:10 am CDT
Extended Forecast for

Alden IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 39. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    T-storms
    Likely and
    Breezy then
    T-storms

  • Saturday

    Saturday: A slight chance of showers before 10am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Breezy.

    High: 47 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly cloudy, with a high near 59. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 39. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers before 10am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 55. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 47. Breezy.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 61. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly cloudy, with a high near 61.
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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:
1:21 am CDT Apr 3, 2026
Forecast Valid:
2am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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