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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

34°F

1°C

Humidity 75%
Wind Speed E 17 mph
Barometer 30.02 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 14 Mar 6:45 pm CDT
Extended Forecast for

5 Miles WSW Fort Atkinson WI

Winter Storm Watch March 15, 04:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A chance of snow before 1am, then rain likely. Cloudy, with a low around 33. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain and thunderstorms before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 52. Southeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, snow, and sleet before 9pm, then snow, possibly mixed with sleet between 9pm and 10pm, then snow after 10pm. Some thunder is also possible. Widespread blowing snow, mainly after 4am. Low around 17. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 17 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Wind chill values between zero and 5. Windy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind 5 to 10 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow. Low around 16. South wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 16 °F

    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. South wind 5 to 10 mph becoming west in the afternoon.

    High: 42 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow before 1am, then rain likely. Cloudy, with a low around 33. Breezy, with an east wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Rain and thunderstorms before 1pm, then rain between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 52. Southeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Rain, snow, and sleet before 9pm, then snow, possibly mixed with sleet between 9pm and 10pm, then snow after 10pm. Some thunder is also possible. Widespread blowing snow, mainly after 4am. Low around 17. Windy, with a north wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Wind chill values between zero and 5. Windy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23. West wind 5 to 10 mph.
Tuesday Night
Snow. Low around 16. South wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. South wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 55.
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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:
7:35 pm CDT Mar 14, 2026
Forecast Valid:
7pm CDT Mar 14, 2026-6pm CDT Mar 21, 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