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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

41°F

5°C

Humidity 76%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 3:55 am CDT
Extended Forecast for

Milton WI

  • Today

    Today: Partly sunny, with a high near 56. Southwest wind around 10 mph becoming north in the afternoon.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 5 to 15 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 46. Southwest wind around 10 mph.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 52. Northeast wind 10 to 15 mph.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. North wind 10 to 15 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. East wind around 5 mph becoming south after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 56. Southwest wind around 10 mph becoming north in the afternoon.
Tonight
Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 5 to 15 mph.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 46. Southwest wind around 10 mph.
Sunday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 52. Northeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 28. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 47. North wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 32. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
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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 ft)
Last Update:
3:33 am CDT Mar 20, 2026
Forecast Valid:
4am CDT Mar 20, 2026-6pm CDT Mar 26, 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