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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

30°F

-1°C

Humidity 75%
Wind Speed W 8 mph
Barometer 30.15 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Mar 3:15 am CDT
Extended Forecast for

Darien WI

Wind Advisory March 13, 12:00am until March 13, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 27. West wind around 5 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 5 to 15 mph becoming southwest in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly before 4am. Low around 32. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Windy. Chance
    Rain then
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 42. Windy, with a west wind 25 to 30 mph, with gusts as high as 50 mph.

    High: 42 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 26. Northwest wind 10 to 15 mph becoming light after midnight.

    Low: 26 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow after 1pm. Cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow. Low around 30. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow, becoming all rain after 1pm. High near 43. Windy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow and freezing rain, becoming all snow after 1am. The snow could be heavy at times. Low around 14. Windy. Chance of precipitation is 90%.

    Low: 14 °F

    Wintry Mix
    and Windy

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. West wind around 5 mph.
Thursday
Increasing clouds, with a high near 45. West wind 5 to 15 mph becoming southwest in the afternoon.
Thursday Night
Rain, mainly before 4am. Low around 32. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 42. Windy, with a west wind 25 to 30 mph, with gusts as high as 50 mph.
Friday Night
Increasing clouds, with a low around 26. Northwest wind 10 to 15 mph becoming light after midnight.
Saturday
A 20 percent chance of snow after 1pm. Cloudy, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A chance of snow before 1am, then rain and snow. Low around 30. East wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain and snow, becoming all rain after 1pm. High near 43. Windy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Snow and freezing rain, becoming all snow after 1am. The snow could be heavy at times. Low around 14. Windy. Chance of precipitation is 90%.
Monday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 21. Windy.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
Last Update:
2:57 am CDT Mar 12, 2026
Forecast Valid:
3am CDT Mar 12, 2026-6pm CDT Mar 18, 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