Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow and Breezy

25°F

-4°C

Humidity 86%
Wind Speed NW 23 G 30 mph
Barometer 29.44 in
Dewpoint 21°F (-6°C)
Visibility 0.75 mi
Wind Chill10°F (-12°C)
Last update 16 Mar 4:35 am CDT
Extended Forecast for

Janesville WI

Blizzard Warning March 16, 04:54am until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 04:54am until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 18 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times.  Widespread blowing snow, mainly before noon. High near 23. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 23 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 2. Wind chill values between -10 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 2 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 21. Wind chill values between -10 and zero. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 21 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow.  Low around 16. South wind 5 to 10 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 29. Southwest wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 46. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 18. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before noon. High near 23. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 2. Wind chill values between -10 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 21. Wind chill values between -10 and zero. Northwest wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 16. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 29. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 46. Southwest wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly cloudy, with a high near 52.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 ft)
4:35 am CDT Mar 16, 2026
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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