Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fog
55°F
13°C
| Humidity | 96% |
| Wind Speed | NE 3 mph |
| Barometer | 29.70 in (1005.1 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 0.25 mi |
| Last update | 15 Apr 4:53 am CDT |
Extended Forecast for
Chilton WI
Dense Fog Advisory April 15, 04:56am until April 15, 10:00am
NOW until 10:00am Wed

Dense Fog Advisory
Today

High: 61 °F
Chance
Showers and
Dense FogTonight

Low: 47 °F
Showers
Likely and
Patchy FogThursday

High: 61 °F
Chance
T-storms and
Dense FogThursday Night

Low: 46 °F
Partly Cloudy
Friday
High: 68 °F
Partly Sunny
then Slight
Chance RainFriday Night

Low: 44 °F
Rain
Saturday

High: 54 °F
Chance Rain
Saturday Night
Low: 30 °F
Slight Chance
Rain/Snow
then Slight
Chance Snow
Detailed Forecast
Today
A chance of showers, with thunderstorms also possible after 4pm. Widespread dense fog before 4pm, then patchy dense fog after 5pm. Otherwise, mostly cloudy, with a high near 61. East northeast wind 3 to 7 mph. Chance of precipitation is 40%.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 47. East northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 1pm, then a chance of rain after 1pm. Widespread dense fog, mainly before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. Northeast wind 6 to 8 mph becoming south southeast in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 46. North northeast wind around 6 mph becoming south southeast after midnight.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 68. South southeast wind 7 to 16 mph, with gusts as high as 25 mph.
Friday Night
Rain and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
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. Partly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chilton WI
44.02°N 88.17°W (Elev. 850 ft)
44.02°N 88.17°W (Elev. 850 ft)
3:58 am CDT Apr 15, 2026
4am CDT Apr 15, 2026-6pm CDT Apr 21, 2026



