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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

25°F

-4°C

Humidity 80%
Wind Speed NW 10 mph
Barometer 30.09 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Feb 7:45 am CST
Extended Forecast for

Darien WI

  • Today

    Today: Mostly cloudy, with a high near 32. Northwest wind 10 to 15 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of flurries between 11pm and 4am. Cloudy, with a low around 19. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Chance
    Flurries

  • Sunday

    Sunday: Mostly cloudy, with a high near 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 25 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Wind chill values between zero and 10. Blustery, with a north wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 26. North wind 5 to 15 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow. Mostly cloudy, with a high near 37. South wind 5 to 15 mph.

    High: 37 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 25. West wind around 10 mph.

    Low: 25 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 32. Northwest wind 10 to 15 mph.
Tonight
A chance of flurries between 11pm and 4am. Cloudy, with a low around 19. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 25. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values between zero and 10. Blustery, with a north wind 15 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 26. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 15. Calm wind becoming south around 5 mph after midnight.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 37. South wind 5 to 15 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25. West wind around 10 mph.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 42.
Wednesday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 49.
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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:
7:34 am CST Feb 21, 2026
Forecast Valid:
8am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation