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.

Mostly Cloudy

54°F

12°C

Humidity 33%
Wind Speed SW 17 G 23 mph
Barometer 30.18 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 20 Apr 3:45 pm CDT
Extended Forecast for

Greenville WI

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72. South southwest wind 5 to 8 mph becoming northwest in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. East northeast wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67. East northeast wind 6 to 9 mph becoming south southeast in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Southeast wind around 8 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 72. South southwest wind 5 to 8 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. East northeast wind around 7 mph.
Wednesday
Sunny, with a high near 67. East northeast wind 6 to 9 mph becoming south southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. Southeast wind around 8 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. Chance of precipitation is 80%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 59.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
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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:
3:52 pm CDT Apr 20, 2026
Forecast Valid:
4pm CDT Apr 20, 2026-6pm CDT Apr 27, 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