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.

Fair

88°F

31°C

Humidity 46%
Wind Speed SW 9 mph
Barometer 30.19 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 12 Jul 2:45 pm CDT
Extended Forecast for

Greenville WI

Heat Advisory July 13, 11:00am until July 14, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 70. West southwest wind around 7 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 93. Heat index values as high as 101. West wind 6 to 11 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. West wind 5 to 7 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Heat index values as high as 99. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. West wind 5 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 70. West southwest wind around 7 mph.
Monday
Sunny and hot, with a high near 93. Heat index values as high as 101. West wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 71. West wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 94. Heat index values as high as 99. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 72. West wind 5 to 8 mph.
Wednesday
Sunny and hot, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A 30 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 65.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenville WI
 44.3°N 88.55°W (Elev. 797 ft)
Last Update:
2:42 pm CDT Jul 12, 2026
Forecast Valid:
3pm CDT Jul 12, 2026-6pm CDT Jul 19, 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