Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fog/Mist

70°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	29.92 in
Dewpoint	70°F (21°C)
Visibility	6.00 mi
Last update	26 Jul 5:55 am CDT

More Information:

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

Extended Forecast for

Oconomowoc WI

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

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Patchy Fog
then Mostly
Sunny
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

Patchy fog between 7am and 8am. Otherwise, partly sunny and hot, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. 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, mainly before 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. 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 around 5 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.