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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

50°F

10°C

Humidity 54%
Wind Speed E 13 G 18 mph
Barometer 30.28 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 May 9:15 pm CDT
Extended Forecast for

4 Miles NW Fort Atkinson WI

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of sprinkles after 10am. Increasing clouds, with a high near 59. East wind around 10 mph.

    High: 59 °F

    Chance
    Sprinkles

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 48. East wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon.

    High: 70 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 77. West wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.
Thursday
A chance of sprinkles after 10am. Increasing clouds, with a high near 59. East wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 63. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely. Mostly cloudy, with a low around 48. East wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 77. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 51.
Memorial Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Fort Atkinson WI
 42.97°N 88.9°W (Elev. 906 ft)
Last Update:
8:56 pm CDT May 20, 2026
Forecast Valid:
9pm CDT May 20, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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