Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

A Few Clouds

81°F

27°C

Humidity	54%
Wind Speed	E 13 mph
Barometer	29.87 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	28 Jul 3:45 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Oconomowoc WI

Tonight
Low: 58 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 61 °F
Increasing
Clouds
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Cloudy
Friday
High: 81 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 64 °F
Showers
Likely
Saturday
High: 79 °F
Chance
Showers
Saturday Night
Low: 61 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 84. Calm wind.

Wednesday Night

Increasing clouds, with a low around 61. Calm wind.

Thursday

Mostly cloudy through mid morning, then becoming sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

Thursday Night

Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.

Friday

Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 81. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.

Saturday Night

Partly cloudy, with a low around 61.

Sunday

Mostly sunny, with a high near 80.

Sunday Night

Mostly clear, with a low around 59.

Monday

Sunny, with a high near 83.

Monday Night

Mostly clear, with a low around 62.