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

70°F

21°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.89 in (1010.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 31 Aug 3:53 am CDT
Extended Forecast for

5 Miles N Van Dyne WI

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. South wind around 8 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Southwest wind 3 to 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Heat index values as high as 93. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. West southwest wind around 6 mph becoming light and variable after midnight.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. South wind around 8 mph.
Monday
Partly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 71. Southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 87. Heat index values as high as 93. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. West southwest wind around 6 mph becoming light and variable after midnight.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Van Dyne WI
 43.93°N 88.51°W (Elev. 784 ft)
Last Update:
3:56 am CDT Aug 31, 2026
Forecast Valid:
4am CDT Aug 31, 2026-6pm CDT Sep 6, 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