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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog

46°F

8°C

Humidity 100%
Wind Speed N 10 mph
Barometer 29.80 in
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Wind Chill41°F (5°C)
Last update 10 Mar 6:45 am CDT
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Northeast wind 5 to 15 mph.

    High: 51 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Patchy fog. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 33 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers before 11am, then snow showers, possibly mixed with sleet between 11am and noon, then snow showers after noon. High near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

    High: 37 °F

    Wintry Mix
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 23. Northwest wind 5 to 10 mph.

    Low: 23 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 46. Southwest wind 5 to 15 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain before 4am, then rain, possibly mixed with snow. Low around 34. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain Likely
    then
    Rain/Snow and
    Breezy

  • Friday

    Friday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 45. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 45 °F

    Slight Chance
    Snow and
    Windy then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Northeast wind 5 to 15 mph.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Patchy fog. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, possibly mixed with snow showers before 11am, then snow showers, possibly mixed with sleet between 11am and noon, then snow showers after noon. High near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 23. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 46. Southwest wind 5 to 15 mph.
Thursday Night
Rain before 4am, then rain, possibly mixed with snow. Low around 34. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 45. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming northeast after midnight.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 31. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 38. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
Last Update:
6:48 am CDT Mar 10, 2026
Forecast Valid:
7am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation