Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed SW 10 mph
Barometer 29.75 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Oct 1:45 pm CDT
Extended Forecast for

Oconomowoc WI

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 83. Southwest wind around 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 66. South wind 5 to 10 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 10 to 15 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 2am.  Increasing clouds, with a low around 55. North wind around 5 mph becoming calm.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Calm wind becoming northeast around 5 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Northeast wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 63. East wind 5 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 83. Southwest wind around 15 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 66. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 76. West wind 10 to 15 mph.
Tuesday Night
A 40 percent chance of showers, mainly before 2am. Increasing clouds, with a low around 55. North wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 67. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 48. Northeast wind around 5 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny, with a high near 56. Breezy.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc WI
 43.11°N 88.51°W (Elev. 860 ft)
1:34 pm CDT Oct 12, 2026
2pm CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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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