Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Overcast
73°F
23°C
| Humidity | 90% |
| Wind Speed | SE 6 mph |
| Barometer | 29.99 in (1014.4 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 10:53 pm CDT |
Extended Forecast for
4 Miles NE Van Dyne WI
Tonight
Low: 73 °F
Mostly Cloudy
then Slight
Chance
T-storms and
Patchy FogSunday
High: 81 °F
Mostly Cloudy
then Slight
Chance
ShowersSunday Night

Low: 62 °F
Partly Cloudy
Monday

High: 79 °F
Sunny
Monday Night

Low: 65 °F
Increasing
CloudsTuesday
High: 80 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 62 °F
Showers
LikelyWednesday

High: 75 °F
Slight Chance
ShowersWednesday Night

Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a steady temperature around 73. South southeast wind 5 to 7 mph becoming light and variable.
Sunday
A slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 81. Heat index values as high as 84. West southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 62. North wind 5 to 11 mph.
Monday
Sunny, with a high near 79. West wind 3 to 8 mph.
Monday Night
Increasing clouds, with a low around 65. Southwest wind 6 to 9 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 60.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NE Van Dyne WI
43.93°N 88.48°W (Elev. 748 ft)
43.93°N 88.48°W (Elev. 748 ft)
8:41 pm CDT Aug 15, 2026
10pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026



