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

39°F

4°C

Humidity 87%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 May 1:55 am CDT
Extended Forecast for

2 Miles NW Alden IL

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 36. North wind around 5 mph.

    Low: 36 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 49. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 31. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 31 °F

    Slight Chance
    Showers then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers. Partly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 3am. Mostly cloudy, with a low around 36. North wind around 5 mph.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 49. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 10 percent chance of showers before 7pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 31. North northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 54. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 40. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 63.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72.
Monday Night
A chance of showers. Partly cloudy, with a low around 43.
Tuesday
A chance of showers after 1pm. Partly sunny, with a high near 59.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 56.
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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:
1:21 am CDT May 1, 2026
Forecast Valid:
2am CDT May 1, 2026-6pm CDT May 7, 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