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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

63°F

17°C

Humidity 39%
Wind Speed NW 15 G 25 mph
Barometer 30.03 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 May 2:45 pm CDT
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 50. Southeast wind 5 to 10 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 56. South wind 5 to 10 mph.

    Low: 56 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the morning.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 50. Southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 56. South wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
Last Update:
2:37 pm CDT May 13, 2026
Forecast Valid:
3pm CDT May 13, 2026-6pm CDT May 20, 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