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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

45°F

7°C

Humidity 53%
Wind Speed W 10 mph
Barometer 29.79 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 27 Feb 8:45 pm CST
Extended Forecast for

Darien WI

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly between 9am and 5pm. Cloudy, with a high near 32. Northeast wind 5 to 10 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 30. Northeast wind 5 to 10 mph.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. East wind around 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southeast wind 5 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of freezing rain after midnight. Mostly cloudy, with a low around 27. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Freezing Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 41. Southeast wind 5 to 10 mph becoming northeast in the afternoon.

    High: 41 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Rain
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
A 50 percent chance of snow, mainly between 9am and 5pm. Cloudy, with a high near 32. Northeast wind 5 to 10 mph.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 30. Northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 16. East wind around 5 mph.
Monday
Partly sunny, with a high near 40. Southeast wind 5 to 10 mph.
Monday Night
A chance of freezing rain after midnight. Mostly cloudy, with a low around 27. Southeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 41. Southeast wind 5 to 10 mph becoming northeast in the afternoon.
Tuesday Night
A chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
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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:
7:33 pm CST Feb 27, 2026
Forecast Valid:
9pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation