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

84°F

29°C

Humidity 66%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 26 Jul 11:45 am CDT
Extended Forecast for

Appleton WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Heat index values as high as 94. South southwest wind 5 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 72. South southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 86. Heat index values as high as 93. Southwest wind around 8 mph becoming northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. North northeast wind around 7 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. North northeast wind 7 to 9 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Heat index values as high as 94. South southwest wind 5 to 8 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 72. South southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 86. Heat index values as high as 93. Southwest wind around 8 mph becoming northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. North northeast wind around 7 mph.
Tuesday
Sunny, with a high near 82. North northeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A 20 percent chance of showers after 1pm. Sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Friday
A 40 percent chance of showers and thunderstorms. Partly 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 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Appleton WI
 44.27°N 88.43°W (Elev. 797 ft)
Last Update:
12:31 pm CDT Jul 26, 2026
Forecast Valid:
12pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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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