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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

43°F

6°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.05 in
Dewpoint 41°F (5°C)
Visibility 1.50 mi
Last update 5 Mar 10:15 pm CST
Extended Forecast for

5 Miles WSW Fort Atkinson WI

  • Tonight

    Tonight: Areas of fog. Otherwise, cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.

    Low: 39 °F

    Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. Patchy fog before noon. High near 61. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 3am. Steady temperature around 60. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 58 °F⇓

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming southwest after midnight.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southwest wind around 15 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 10 to 15 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog. Otherwise, cloudy, with a low around 39. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. Patchy fog before noon. High near 61. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms, mainly before 3am. Steady temperature around 60. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46. Southwest wind around 15 mph.
Monday
Sunny, with a high near 67. Southwest wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A slight chance of rain, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 38. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Sunny, with a high near 45.
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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:
10:32 pm CST Mar 5, 2026
Forecast Valid:
10pm CST Mar 5, 2026-6pm CDT Mar 12, 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