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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

79°F

26°C

Humidity 34%
Wind Speed E 7 mph
Barometer 30.36 in
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Heat Index79°F (26°C)
Last update 2 Aug 1:45 pm CDT
Extended Forecast for

Oconomowoc Lake WI

  • This Afternoon

    This Afternoon: Patchy smoke. Mostly sunny, with a high near 78. Southeast wind around 5 mph.

    High: 78 °F

    Patchy Smoke

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.

    Low: 55 °F

    Areas Smoke

  • Sunday

    Sunday: Areas of smoke. Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Areas of smoke before 8pm. Mostly clear, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Areas Smoke
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy smoke. Mostly sunny, with a high near 78. Southeast wind around 5 mph.
Tonight
Areas of smoke. Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Sunday
Areas of smoke. Mostly sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Areas of smoke before 8pm. Mostly clear, with a low around 58. Southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Light east wind becoming southeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 62. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc Lake WI
 43.1°N 88.45°W (Elev. 860 ft)
Last Update:
2:08 pm CDT Aug 2, 2025
Forecast Valid:
2pm CDT Aug 2, 2025-6pm CDT Aug 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation