Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

66°F

19°C

Humidity	88%
Wind Speed	Calm
Barometer	29.99 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	4 Jul 9:55 pm CDT

More Information:

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

Extended Forecast for

Sullivan WI

Tonight
Low: 63 °F
Slight Chance
Showers and
Patchy Fog
Sunday
High: 80 °F
Mostly Cloudy
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 65 °F
Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers before 2am. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 63. Calm wind becoming north around 5 mph.

Sunday

Mostly cloudy, with a high near 80. Northeast wind 5 to 10 mph.

Sunday Night

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

Monday

Sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the morning.

Monday Night

Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 85. Calm wind becoming west around 5 mph.

Tuesday Night

Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.

Friday Night

Partly cloudy, with a low around 60.

Saturday

Mostly sunny, with a high near 84.