Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fair
56°F
13°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.72 in (1006.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 9.00 mi |
| Last update | 15 Apr 11:53 pm CDT |
Extended Forecast for
3 Miles ESE Winnebago WI
Dense Fog Advisory until April 16, 10:00am
NOW until 10:00am Thu

Dense Fog Advisory
Overnight

Low: 47 °F
Chance Rain
and Patchy
Dense FogThursday
High: 57 °F
Rain Likely
and Areas
Dense Fog
then Mostly
SunnyThursday Night

Low: 45 °F
Mostly Clear
Friday
High: 65 °F
Partly Sunny
then Chance
RainFriday Night

Low: 38 °F
Rain
Saturday

High: 44 °F
Chance Rain
Saturday Night

Low: 31 °F
Partly Cloudy
Sunday

High: 43 °F
Mostly Sunny
Detailed Forecast
Overnight
A 50 percent chance of rain and thunderstorms. Patchy dense fog. Otherwise, cloudy, with a low around 47. Light and variable wind becoming north northeast around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain and thunderstorms likely before 11am, then a slight chance of rain between 11am and noon. Areas of dense fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. North northeast wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 45. Light south southeast wind increasing to 5 to 9 mph in the evening.
Friday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 65. South southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 38. South southeast wind around 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of rain, mainly before 1pm. Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 58.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Winnebago WI
44.03°N 88.44°W (Elev. 748 ft)
44.03°N 88.44°W (Elev. 748 ft)
11:22 pm CDT Apr 15, 2026
12am CDT Apr 16, 2026-6pm CDT Apr 22, 2026



