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.

Fog/Mist

66°F

19°C

Humidity 94%
Wind Speed SW 13 mph
Barometer 29.90 in
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 13 Apr 9:45 am CDT
Extended Forecast for

Milton WI

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph.

    High: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 79. Southwest wind around 15 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 58. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 70. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 10 to 15 mph.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph becoming southeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph.
Tonight
A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 79. Southwest wind around 15 mph.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 58. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 70. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 57. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph becoming southeast after midnight.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 60.
Saturday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 54.
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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:
9:21 am CDT Apr 13, 2026
Forecast Valid:
10am CDT Apr 13, 2026-6pm CDT Apr 19, 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