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

Hazardous Weather Conditions

Current conditions at

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Partly Cloudy

87°F

31°C

Humidity 49%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Jul 6:55 pm CDT
Extended Forecast for

Oconomowoc WI

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 68. East wind around 5 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Partly Cloudy
    then T-storms

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 89. Heat index values as high as 96. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Southwest wind 5 to 15 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 68. East wind around 5 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Independence Day
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 89. Heat index values as high as 96. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 96. Southwest wind 5 to 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc WI
 43.11°N 88.51°W (Elev. 860 ft)
Last Update:
5:54 pm CDT Jul 3, 2025
Forecast Valid:
7pm CDT Jul 3, 2025-6pm CDT Jul 10, 2025
 
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