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.

Mostly Cloudy

81°F

27°C

Humidity 70%
Wind Speed N 12 mph
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 5 Sep 4:45 pm CDT
Extended Forecast for

Clinton WI

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South wind 10 to 15 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 15 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. West wind 10 to 15 mph.

    High: 85 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 79. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 79. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 85. South wind 10 to 15 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind around 15 mph.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. West wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Saturday
Mostly 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:
Clinton WI
 42.55°N 88.87°W (Elev. 938 ft)
Last Update:
1:41 pm CDT Sep 5, 2026
Forecast Valid:
5pm CDT Sep 5, 2026-6pm CDT Sep 12, 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