Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Light Drizzle Fog/Mist

63°F

17°C

Humidity	100%
Wind Speed	E 7 mph
Barometer	29.97 in
Dewpoint	63°F (17°C)
Visibility	2.50 mi
Last update	19 Sep 10:15 pm CDT

More Information:

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

Extended Forecast for

Sussex WI

Flood Watch September 20, 12:00am until September 20, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch September 20, 12:00am until September 20, 07:00am
NOW until 7:00am Sun
Flood Watch
Overnight
Low: 60 °F
Showers
Likely and
Areas Fog
Sunday
High: 65 °F
Showers
Likely and
Patchy Fog
then Partly
Sunny and
Breezy
Sunday Night
Low: 54 °F
Mostly Cloudy
Monday
High: 61 °F
Mostly Cloudy
then Slight
Chance
Showers
Monday Night
Low: 49 °F
Mostly Cloudy
Tuesday
High: 60 °F
Partly Sunny
Tuesday Night
Low: 48 °F
Partly Cloudy
Wednesday
High: 62 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers likely, mainly before 3am. Areas of fog. Otherwise, cloudy, with a low around 60. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers likely, mainly before 8am. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

Monday

A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 61. East wind 10 to 15 mph.

Monday Night

Mostly cloudy, with a low around 49. Northeast wind 5 to 10 mph.

Tuesday

Partly sunny, with a high near 60. Northeast wind 5 to 15 mph.

Tuesday Night

Partly cloudy, with a low around 48. Northeast wind 5 to 10 mph.

Wednesday

Mostly sunny, with a high near 62. Northeast wind 5 to 10 mph.