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

30°F

-1°C

Humidity 80%
Wind Speed S 9 mph
Barometer 29.98 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Mar 11:45 am CDT
Extended Forecast for

2 Miles NW Alden IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 36. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Increasing clouds, with a low around 31. West southwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 9am. Partly sunny, with a high near 46. East southeast wind around 5 mph.

    High: 46 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. East wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. West southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 36. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 31. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 46. East southeast wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 34. East wind around 5 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Friday
Mostly cloudy, with a high near 59. West southwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Alden IL
 42.48°N 88.55°W
Last Update:
11:45 am CDT Mar 18, 2026
Forecast Valid:
12pm CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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