Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

77°F

25°C

Humidity	83%
Wind Speed	S 9 G 16 mph
Barometer	30.04 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	23 Jun 5:45 am CDT

More Information:

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

Extended Forecast for

5 Miles SSE Hartford WI

Heat Advisory June 23, 06:17am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 23, 06:17am until June 23, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
Today
High: 93 °F
Sunny then
Slight Chance
Showers
Tonight
Low: 71 °F
Heavy Rain
Tuesday
High: 79 °F
Showers
Likely
Tuesday Night
Low: 61 °F
Showers
Wednesday
High: 77 °F
Showers
Likely
Wednesday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 85 °F
Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely

Detailed Forecast

Today

A 10 percent chance of showers after 5pm. Sunny and hot, with a high near 93. Heat index values as high as 99. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

Tonight

Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 71. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Tuesday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 79. West wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 61. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 77. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.