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

Appleton-Outagamie (KATW)

Lat: 44.26°NLon: 88.52°WElev: 869ft.

Fair

79°F

26°C

Humidity	74%
Wind Speed	SW 13 mph
Barometer	29.95 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°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

Appleton WI

Heat Advisory June 23, 05:53am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 23, 05:53am until June 23, 07:00pm
NOW until 7:00pm Mon
Heat Advisory
Today
High: 94 °F
Sunny then
Severe
Thunderstorms
Tonight
Low: 70 °F
Severe
Thunderstorms
and Patchy
Fog
Tuesday
High: 73 °F
Chance
T-storms
Tuesday Night
Low: 61 °F
Chance
Showers
Wednesday
High: 73 °F
Showers
Likely
Wednesday Night
Low: 61 °F
T-storms
Likely
Thursday
High: 78 °F
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Increasing clouds and hot, with a high near 94. Heat index values as high as 101. Southwest wind 13 to 16 mph, with gusts as high as 26 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 be severe and produce heavy rainfall. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 70. West southwest wind 5 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. West northwest wind 5 to 8 mph becoming east in the afternoon.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East wind around 7 mph. Chance of precipitation is 50%.

Wednesday

Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 73. East wind around 7 mph. Chance of precipitation is 60%.

Wednesday Night

Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

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 66. Chance of precipitation is 60%.

Friday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 65.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.