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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast and Breezy

30°F

-1°C

Humidity 86%
Wind Speed N 24 G 40 mph
Barometer 29.40 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 15 Mar 7:45 pm CDT
Extended Forecast for

5 Miles WSW Fort Atkinson 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

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly before 10am. High near 21. 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 1 to 3 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 3. Wind chill values between -10 and zero. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 3 °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 5 to 10 mph.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely. Cloudy, with a low around 15. South wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Southwest wind around 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 31. Southwest wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 45. North wind around 5 mph.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 18. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 10am. High near 21. 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 1 to 3 inches possible.
Monday Night
Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 3. Wind chill values between -10 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 5 to 10 mph.
Tuesday Night
Snow likely. Cloudy, with a low around 15. South wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Mostly cloudy, with a high near 40. Southwest wind around 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 31. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 45. North wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
8:27 pm CDT Mar 15, 2026
Forecast Valid:
8pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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