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.

Mostly Cloudy with Haze and Breezy

61°F

16°C

Humidity 48%
Wind Speed N 24 G 33 mph
Barometer 29.76 in
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Last update 26 Mar 11:45 am CDT
Extended Forecast for

Alden IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 62. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 26. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Showers
    Likely and
    Blustery then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 41. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. Light west wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely after 2pm. Mostly cloudy, with a high near 62. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 26. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 41. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 22. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 47. Light west wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 68.
Monday Night
A chance of showers. Mostly cloudy, with a low around 43.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Mostly cloudy, with a high near 66.
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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:
12:06 pm CDT Mar 26, 2026
Forecast Valid:
12pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
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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