Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Mostly Cloudy

81°F

27°C

Humidity	74%
Wind Speed	S 6 mph
Barometer	29.92 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	26 Jul 10:45 am CDT

More Information:

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

Extended Forecast for

3 Miles S Oconomowoc Lake WI

Heat Advisory July 26, 12:00pm until July 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 90 °F
Hot
Tonight
Low: 70 °F
Slight Chance
T-storms then
Showers
Likely
Monday
High: 91 °F
Showers
Likely then
Slight Chance
T-storms
Monday Night
Low: 66 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 86 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

Today

Partly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 5 to 10 mph.

Tonight

A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Northwest wind 5 to 10 mph becoming southwest 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.

Monday Night

A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph becoming north after midnight.

Tuesday

Mostly sunny, with a high near 84. North wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.

Thursday

A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 86.

Thursday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 63.