Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Appleton-Outagamie (KATW)

Lat: 44.26°NLon: 88.52°WElev: 869ft.

Mostly Cloudy

84°F

29°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 29.76 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 9:45 am CDT
Extended Forecast for

3 Miles SSE Black Creek WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Partly sunny and hot, with a high near 92. South southwest wind 17 to 21 mph, with gusts as high as 39 mph.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southwest wind 11 to 17 mph, with gusts as high as 31 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Heat index values as high as 103. Southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South southwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 90. Southwest wind around 17 mph, with gusts as high as 28 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny and hot, with a high near 92. South southwest wind 17 to 21 mph, with gusts as high as 39 mph.
Tonight
Mostly clear, with a low around 79. Southwest wind 11 to 17 mph, with gusts as high as 31 mph.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 103. Southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 79. South southwest wind around 16 mph, with gusts as high as 28 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. Southwest wind around 17 mph, with gusts as high as 28 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 60. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Black Creek WI
 44.44°N 88.45°W (Elev. 843 ft)
9:32 am CDT Jun 21, 2025
10am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database