Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fog/Mist
54°F
12°C
| Humidity | 100% |
| Wind Speed | NW 5 mph |
| Barometer | 29.73 in (1006.5 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 2.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 15 Apr 9:53 am CDT |
Extended Forecast for
Winnebago WI
Dense Fog Advisory April 15, 09:59am until April 15, 10:00am
NOW until 10:00am Wed
Dense Fog Advisory
Today
High: 61 °F
Showers
Likely and
Areas Dense
FogTonight

Low: 47 °F
Showers
Likely and
Patchy FogThursday

High: 62 °F
Chance
Showers and
FogThursday Night

Low: 47 °F
Partly Cloudy
Friday
High: 71 °F
Partly Sunny
then Slight
Chance RainFriday Night

Low: 43 °F
Rain
Saturday

High: 53 °F
Chance Rain
Saturday Night
Low: 30 °F
Slight Chance
Rain/Snow
then Slight
Chance Snow
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Areas of dense fog before 1pm. Otherwise, mostly cloudy, with a high near 61. East northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Patchy fog after 9pm. Otherwise, cloudy, with a low around 47. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of rain after 1pm. Widespread fog, mainly before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. North northeast wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 47. South southeast wind 3 to 5 mph.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 71. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Friday Night
Rain and possibly a thunderstorm. Low around 43. Chance of precipitation is 90%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Winnebago WI
44.08°N 88.53°W (Elev. 787 ft)
44.08°N 88.53°W (Elev. 787 ft)
9:54 am CDT Apr 15, 2026
9am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



