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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

66°F

19°C

Humidity 83%
Wind Speed SW 8 mph
Barometer 29.80 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 12:45 pm CDT
Extended Forecast for

7 Miles WSW Fort Atkinson WI

Flood Watch April 15, 04:00pm until April 16, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 71. Light southwest wind increasing to 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Calm wind becoming north around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 44. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 55. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers. Partly cloudy, with a low around 31. West wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 71. Light southwest wind increasing to 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before midnight, then a chance of showers and thunderstorms after midnight. Patchy fog after 11pm. Low around 55. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 68. North wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 50. Calm wind becoming north around 5 mph.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South wind 5 to 15 mph. Chance of precipitation is 20%.
Friday Night
Showers and possibly a thunderstorm. Low around 44. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 55. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers. Partly cloudy, with a low around 31. West wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
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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:
12:36 pm CDT Apr 15, 2026
Forecast Valid:
12pm CDT Apr 15, 2026-6pm CDT Apr 21, 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