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.

Fair

45°F

7°C

Humidity 68%
Wind Speed S 9 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 Apr 4:53 am CDT
Extended Forecast for

5 Miles WNW Winneconne WI

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Today

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. East northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. Southeast wind around 7 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. South wind 7 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 68. South southwest wind 5 to 7 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 41. Calm wind becoming east northeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 69. East northeast wind 5 to 7 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. Southeast wind around 7 mph.
Thursday
Mostly sunny, with a high near 75. South wind 7 to 16 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 60.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Winneconne WI
 44.13°N 88.83°W (Elev. 748 ft)
Last Update:
4:16 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 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