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.

Fog/Mist

32°F

0°C

Humidity 93%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 30°F (-1°C)
Visibility 5.00 mi
Last update 15 Feb 1:35 am CST
Extended Forecast for

Milton WI

  • Overnight

    Overnight: Mostly clear, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West wind around 5 mph becoming calm in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 34 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming northeast in the evening.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. East wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain and possibly a thunderstorm after midnight. Low around 45. East wind around 15 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 59. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 53. West wind around 5 mph becoming calm in the afternoon.
Sunday Night
Increasing clouds, with a low around 34. Light and variable wind becoming south 5 to 10 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 60. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind around 5 mph becoming northeast in the evening.
Tuesday
Mostly cloudy, with a high near 51. East wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain, then rain and possibly a thunderstorm after midnight. Low around 45. East wind around 15 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly sunny, with a high near 59. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 33.
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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:
1:31 am CST Feb 15, 2026
Forecast Valid:
1am CST Feb 15, 2026-6pm CST Feb 21, 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