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.

Partly Cloudy

64°F

18°C

Humidity 52%
Wind Speed N 14 mph
Barometer 29.83 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 2:45 pm CDT
Extended Forecast for

2 Miles NW Alden IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 63. North northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. North northeast wind around 5 mph becoming east southeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 69. East southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. South southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 48. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 63. North northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 36. North northeast wind around 5 mph becoming east southeast after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 69. East southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 46. South southwest wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 48. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Alden IL
 42.48°N 88.55°W
Last Update:
2:31 pm CDT Mar 20, 2026
Forecast Valid:
3pm CDT Mar 20, 2026-6pm CDT Mar 26, 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