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.

Mostly Cloudy

48°F

9°C

Humidity 32%
Wind Speed NW 15 G 22 mph
Barometer 30.15 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Apr 5:45 pm CDT
Extended Forecast for

7 Miles WSW Fort Atkinson WI

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Tonight

    Low: 27 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 52 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Southwest wind around 10 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West wind around 5 mph becoming calm.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Tonight
Widespread frost after 1am. Otherwise, mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 42. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 72. Southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 44. West wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 73. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 78. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
Last Update:
2:32 pm CDT Apr 19, 2026
Forecast Valid:
6pm CDT Apr 19, 2026-6pm CDT Apr 26, 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