National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

68°F

20°C

Humidity 69%
Wind Speed E 12 mph
Barometer 30.09 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Jun 12:45 pm CDT
Extended Forecast for

Fort Atkinson WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. East wind around 10 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph.

    High: 84 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 71. Southeast wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 93. South wind 10 to 15 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South wind 10 to 15 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. East wind around 10 mph.
Tonight
Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 57. East wind around 5 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 71. Southeast wind around 10 mph.
Monday
Mostly sunny and hot, with a high near 93. South wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 75. South wind 10 to 15 mph.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.84°W (Elev. 797 ft)
Last Update:
12:22 pm CDT Jun 26, 2026
Forecast Valid:
1pm CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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