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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

69°F

21°C

Humidity 84%
Wind Speed E 5 mph
Barometer 30.13 in (1019.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Aug 6:53 am CDT
Extended Forecast for

Waukau WI

  • Today

    Today: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 80. Heat index values as high as 84. Northeast wind 5 to 10 mph becoming southeast in the morning.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 4am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Heat index values as high as 86. Northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 80. Heat index values as high as 84. Northeast wind 5 to 10 mph becoming southeast in the morning.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 67. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Heat index values as high as 86. Northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 59. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukau WI
 43.98°N 88.78°W (Elev. 850 ft)
Last Update:
7:06 am CDT Aug 15, 2026
Forecast Valid:
7am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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