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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

39°F

4°C

Humidity 56%
Wind Speed S 12 mph
Barometer 29.89 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Mar 8:45 pm CDT
Extended Forecast for

Alden IL

High Wind Warning March 13, 01:00am until March 13, 04:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Showers, mainly before 5am. Steady temperature around 40. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Showers and
    Windy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a steady temperature around 39. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 39 °F

    Decreasing
    Clouds and
    Very Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 27 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 39. East northeast wind 5 to 10 mph becoming southeast in the morning.

    High: 39 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow showers. Low around 32. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain, possibly mixed with snow showers, becoming all rain after 1pm. High near 46. Breezy. Chance of precipitation is 100%.

    High: 46 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 1am. Low around 15. Windy. Chance of precipitation is 100%.

    Low: 15 °F

    Rain/Snow and
    Windy

  • Monday

    Monday: A chance of snow before 1pm. Cloudy, with a high near 21. Windy.

    High: 21 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 1. Blustery.

    Low: 1 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

Detailed Forecast

Tonight
Showers, mainly before 5am. Steady temperature around 40. Windy, with a south wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a steady temperature around 39. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 39. East northeast wind 5 to 10 mph becoming southeast in the morning.
Saturday Night
Rain, possibly mixed with snow showers. Low around 32. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunday
Rain, possibly mixed with snow showers, becoming all rain after 1pm. High near 46. Breezy. Chance of precipitation is 100%.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 1am. Low around 15. Windy. Chance of precipitation is 100%.
Monday
A chance of snow before 1pm. Cloudy, with a high near 21. Windy.
Monday Night
Mostly cloudy, with a low around 1. Blustery.
Tuesday
Sunny, with a high near 21.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 7.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 44.
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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:
9:01 pm CDT Mar 12, 2026
Forecast Valid:
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 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