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.

Fair

37°F

3°C

Humidity 52%
Wind Speed Calm
Barometer 29.63 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Feb 11:15 pm CST
Extended Forecast for

Milton WI

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind around 5 mph becoming calm after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain and thunderstorms, mainly after 5pm. Partly sunny, with a high near 53. Calm wind becoming east around 5 mph in the morning.

    High: 53 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain before 4am, then rain and snow between 4am and 5am, then snow after 5am. Some thunder is also possible. Low around 31. Northeast wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain and snow likely, becoming all snow after 7am, then gradually ending. Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Breezy.
    Rain/Snow
    Likely then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. West wind 10 to 15 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34. Northwest wind around 10 mph.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 21. Northwest wind 10 to 15 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Northwest wind around 15 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West wind around 5 mph becoming calm after midnight.
Thursday
A 50 percent chance of rain and thunderstorms, mainly after 5pm. Partly sunny, with a high near 53. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Rain before 4am, then rain and snow between 4am and 5am, then snow after 5am. Some thunder is also possible. Low around 31. Northeast wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow likely, becoming all snow after 7am, then gradually ending. Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Mostly cloudy, with a low around 23. West wind 10 to 15 mph.
Saturday
Partly sunny, with a high near 34. Northwest wind around 10 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21. Northwest wind 10 to 15 mph.
Sunday
Mostly cloudy, with a high near 30. Northwest wind around 15 mph.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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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:
11:03 pm CST Feb 18, 2026
Forecast Valid:
11pm CST Feb 18, 2026-6pm CST Feb 25, 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