National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Appleton-Outagamie (KATW)

Lat: 44.26°NLon: 88.52°WElev: 869ft.

Partly Cloudy

93°F

34°C

Humidity 56%
Wind Speed S 12 G 23 mph
Barometer 29.83 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 29 Jun 4:45 pm CDT
Extended Forecast for

3 Miles E Greenville WI

Extreme Heat Warning until June 30, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until June 30, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 77. South wind around 11 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 93. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 74. Chance of precipitation is 70%.

    Low: 74 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 94. Heat index values as high as 107. South wind around 13 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 77. South wind around 11 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 93. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 74. Chance of precipitation is 70%.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Independence Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Greenville WI
 44.29°N 88.46°W (Elev. 755 ft)
Last Update:
4:46 pm CDT Jun 29, 2026
Forecast Valid:
5pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation