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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Rain Fog/Mist

56°F

13°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 29.80 in (1008.3 mb)
Dewpoint 54°F (12°C)
Visibility 2.50 mi
Last update 14 Apr 1:53 am CDT
Extended Forecast for

3 Miles ESE Winnebago WI

Flood Watch April 14, 02:12am until April 14, 07:00am
Flood Advisory until April 14, 04:15am
Click here for hazard details and duration
Flood Watch
Flood Advisory
  •  
    Flood Watch April 14, 02:12am until April 14, 07:00am
    Flood Advisory until April 14, 04:15am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 51 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. North wind around 7 mph becoming east southeast in the afternoon.

    High: 62 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. East wind 6 to 11 mph becoming north northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Heavy Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. Areas of fog before 3pm. High near 59. East northeast wind 6 to 10 mph. Chance of precipitation is 80%.

    High: 59 °F

    Chance
    Showers and
    Areas Fog
    then Showers
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. East wind around 9 mph becoming west northwest after midnight. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Patchy fog after 3am. Low around 51. East northeast wind 9 to 13 mph becoming southeast. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. North wind around 7 mph becoming east southeast in the afternoon.
Tuesday Night
Showers and thunderstorms likely before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 49. East wind 6 to 11 mph becoming north northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. Areas of fog before 3pm. High near 59. East northeast wind 6 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. East wind around 9 mph becoming west northwest after midnight. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 46.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 63.
Friday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.
Saturday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
Last Update:
1:22 am CDT Apr 14, 2026
Forecast Valid:
2am CDT Apr 14, 2026-6pm CDT Apr 20, 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