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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

37°F

3°C

Humidity 87%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 May 1:15 am CDT
Extended Forecast for

Milton WI

  • Overnight

    Overnight: Clear, with a low around 38. Southwest wind around 5 mph becoming calm.

    Low: 38 °F

    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 40 percent chance of showers, mainly between 11pm and 4am. Increasing clouds, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 57. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 54. West wind around 5 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 54 °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 79. East wind 5 to 15 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

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 38. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers, mainly between 11pm and 4am. Increasing clouds, with a low around 49. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 57. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. West wind around 5 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. East wind 5 to 15 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 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Milton WI
 42.78°N 88.97°W (Elev. 863 ft)
Last Update:
1:21 am CDT May 14, 2026
Forecast Valid:
1am CDT May 14, 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