Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

75°F

24°C

Humidity 50%
Wind Speed NW 12 mph
Barometer 29.85 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 3:45 pm CDT
Extended Forecast for

Oconomowoc WI

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Increasing clouds, with a low around 53. Northwest wind around 5 mph becoming calm.

    Low: 53 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. North wind 5 to 10 mph.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. East wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 7am.  High near 61. East wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am.  Mostly cloudy, with a low around 43. North wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 4am.  Otherwise, mostly clear, with a low around 31. North wind 5 to 10 mph becoming light northwest  in the evening.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Increasing clouds, with a low around 53. Northwest wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 65. North wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 51. East wind around 5 mph.
Thursday
Showers, mainly after 7am. High near 61. East wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 55. Breezy, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 31. North wind 5 to 10 mph becoming light northwest in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc WI
 43.11°N 88.51°W (Elev. 860 ft)
4:32 pm CDT Oct 13, 2026
4pm CDT Oct 13, 2026-6pm CDT Oct 20, 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