Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Partly Cloudy

79°F

26°C

Humidity 70%
Wind Speed SE 17 G 23 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 8 Jun 4:45 pm CDT
Extended Forecast for

Oconomowoc Lake WI

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 81. Southeast wind around 10 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am.  Patchy fog after midnight. Low around 65. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 7am.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 66. Southwest wind 5 to 15 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 1pm.  High near 86. Southwest wind 5 to 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am.  Mostly cloudy, with a low around 56. West wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after midnight. Low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. Southwest wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 86. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 56. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc Lake WI
 43.1°N 88.45°W (Elev. 860 ft)
2:37 pm CDT Jun 8, 2026
5pm CDT Jun 8, 2026-6pm CDT Jun 15, 2026
 
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