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.

Partly Cloudy

86°F

30°C

Humidity 70%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 2 Sep 5:45 pm CDT
Extended Forecast for

4 Miles NNW Milton WI

  • Tonight

    Tonight: Scattered rain before midnight, then a chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. South wind around 5 mph becoming north in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 69. Southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East wind around 5 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.

    High: 83 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Scattered rain before midnight, then a chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. South wind around 5 mph becoming north in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 69. Southeast wind around 5 mph becoming east after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 5 mph. Chance of precipitation is 50%.
Saturday
A slight chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. East wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm after midnight.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Labor Day
Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Milton WI
 42.82°N 89°W (Elev. 850 ft)
Last Update:
4:33 pm CDT Sep 2, 2026
Forecast Valid:
6pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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