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.

Mostly Cloudy

43°F

6°C

Humidity 34%
Wind Speed NW 16 G 23 mph
Barometer 30.42 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 27 Mar 6:45 pm CDT
Extended Forecast for

2 Miles NW Alden IL

  • Tonight

    Tonight: Mostly clear, with a low around 21. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 47. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 36. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 61. South southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 44. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 72.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 43.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 54.
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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:
6:46 pm CDT Mar 27, 2026
Forecast Valid:
7pm CDT Mar 27, 2026-6pm CDT Apr 3, 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