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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

23°C

73°F

Humidity 89%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 9 Jun 10:30 pm CDT
Extended Forecast for

Milton WI

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 20. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 20 °C

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after noon. Cloudy, then gradually becoming mostly sunny and hot, with a high near 32. Heat index values as high as 36. Southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 32 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 19. Southwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Low: 19 °C

    Heavy Rain

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 30. Southwest wind 5 to 10 km/h becoming south 15 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.

    High: 30 °C

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am. Low around 13. South wind 20 to 25 km/h becoming west 15 to 20 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    Low: 13 °C

    T-storms then
    Showers

  • Friday

    Friday: Sunny, with a high near 26. West wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon.

    High: 26 °C

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 14. Southwest wind 10 to 15 km/h.

    Low: 14 °C

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 28. Southwest wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.

    High: 28 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.

    Low: 14 °C

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 20. Southeast wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Cloudy, then gradually becoming mostly sunny and hot, with a high near 32. Heat index values as high as 36. Southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 50 km/h.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 19. Southwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 30. Southwest wind 5 to 10 km/h becoming south 15 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 cm possible.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am. Low around 13. South wind 20 to 25 km/h becoming west 15 to 20 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Friday
Sunny, with a high near 26. West wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon.
Friday Night
Clear, with a low around 14. Southwest wind 10 to 15 km/h.
Saturday
Mostly sunny, with a high near 28. Southwest wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 14. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 24.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 11.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Milton WI
 42.77°N 88.94°W (Elev. 896 m)
Last Update:
9:14 pm CDT Jun 9, 2026
Forecast Valid:
10pm CDT Jun 9, 2026-6pm CDT Jun 16, 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