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.

Rain and Breezy

70°F

21°C

Humidity 78%
Wind Speed SW 21 G 37 mph
Barometer 29.80 in
Dewpoint 63°F (17°C)
Visibility 4.00 mi
Last update 12 Apr 2:45 pm CDT
Extended Forecast for

7 Miles WSW Fort Atkinson WI

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 72. Windy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Windy

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and midnight. Patchy fog between 10pm and midnight. Low around 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers and
    Patchy Fog
    then Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Southwest wind around 10 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 70. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 72. Windy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and midnight. Patchy fog between 10pm and midnight. Low around 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Southwest wind around 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 10 to 15 mph. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 70. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 74. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 54.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 61.
Saturday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Sunday
A 30 percent chance of snow showers. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
Last Update:
3:22 pm CDT Apr 12, 2026
Forecast Valid:
3pm CDT Apr 12, 2026-6pm CDT Apr 19, 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