National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

72°F

22°C

Humidity 36%
Wind Speed W 16 G 23 mph
Barometer 29.76 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 25 Mar 5:45 pm CDT
Extended Forecast for

Milton WI

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 64. East wind 5 to 10 mph becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Partly Sunny
    then Showers

  • Thursday Night

    Thursday Night: A chance of rain before 11pm, then a slight chance of snow between 11pm and 1am. Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 5 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 49. West wind 5 to 15 mph.

    High: 49 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. South wind around 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. South wind 10 to 15 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Thursday
Showers, mainly after 1pm. High near 64. East wind 5 to 10 mph becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain before 11pm, then a slight chance of snow between 11pm and 1am. Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 23. Northwest wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 49. West wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind around 10 mph.
Sunday
Partly sunny, with a high near 59. South wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 50.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Milton WI
 42.77°N 88.94°W (Elev. 896 ft)
Last Update:
5:32 pm CDT Mar 25, 2026
Forecast Valid:
6pm CDT Mar 25, 2026-6pm CDT Apr 1, 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