Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast and Breezy

30°F

-1°C

Humidity 93%
Wind Speed N 23 G 35 mph
Barometer 29.43 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 15 Mar 6:45 pm CDT
Extended Forecast for

Darien WI

Blizzard Warning until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Tonight

    Low: 18 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm.  Widespread blowing snow, mainly before 2pm. High near 21. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values between -5 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. Wind chill values between -10 and zero. Northwest wind around 10 mph.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am.  Mostly cloudy, with a low around 14. South wind 5 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 14 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39. Southwest wind around 10 mph.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 47. North wind around 5 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, freezing rain, and sleet, becoming all snow after 9pm. The snow could be heavy at times. Patchy blowing snow after 9pm. Low around 18. Windy, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 2pm. High near 21. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 4. Wind chill values between -5 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 21. Wind chill values between -10 and zero. Northwest wind around 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 14. South wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Mostly cloudy, with a high near 39. Southwest wind around 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 47. North wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
6:22 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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