National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

34°F

1°C

Humidity 65%
Wind Speed SE 10 mph
Barometer 30.32 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 8 Apr 12:10 am CDT
Extended Forecast for

Alden IL

  • Overnight

    Overnight: A slight chance of rain and snow showers between 1am and 2am, then a chance of rain showers, snow showers, and sleet. Cloudy, with a steady temperature around 32. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 32 °F

    Chance Wintry
    Mix

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 66 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 1am. Low around 46. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers before 7am. Mostly sunny, with a high near 61. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers. Low around 41. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of rain and snow showers between 1am and 2am, then a chance of rain showers, snow showers, and sleet. Cloudy, with a steady temperature around 32. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 66. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 46. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers before 7am. Mostly sunny, with a high near 61. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers. Low around 41. West northwest wind around 5 mph becoming east northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 54.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47.
Sunday
A chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61.
Monday
Showers likely. Partly sunny, with a high near 76. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 47.
Tuesday
Showers likely. Mostly cloudy, with a high near 64.
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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:
12:26 am CDT Apr 8, 2026
Forecast Valid:
12am CDT Apr 8, 2026-6pm CDT Apr 14, 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