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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Aug 9:50 pm CDT
Extended Forecast for

4 Miles WSW Fort Atkinson WI

Flood Watch August 16, 10:14pm until August 17, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 16, 10:14pm until August 17, 10:00am

    NOW until 10:00am Sun

    Flood Watch

  • Tonight

    Low: 67 °F

    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Cloudy, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. East wind 5 to 10 mph.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. North wind 5 to 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 67. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Cloudy, with a high near 80. East wind 5 to 10 mph. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. East wind 5 to 10 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 62. North wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Fort Atkinson WI
 42.9°N 88.93°W (Elev. 774 ft)
Last Update:
9:58 pm CDT Aug 16, 2025
Forecast Valid:
10pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
 
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