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

79°F

26°C

Humidity 74%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 11 Aug 8:45 pm CDT
Extended Forecast for

Greenville WI

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Heat index values as high as 86. Light and variable wind.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 65. Calm wind.

    Low: 65 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the morning.

    High: 79 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. East northeast wind around 6 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 11pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Wednesday
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Heat index values as high as 86. Light and variable wind.
Wednesday Night
Increasing clouds, with a low around 65. Calm wind.
Thursday
Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 60. East northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville WI
 44.3°N 88.55°W (Elev. 797 ft)
Last Update:
8:46 pm CDT Aug 11, 2026
Forecast Valid:
8pm CDT Aug 11, 2026-6pm CDT Aug 18, 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