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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

47°F

8°C

Humidity 50%
Wind Speed Calm
Barometer 29.96 in (1015.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 30 Apr 4:53 pm CDT
Extended Forecast for

Oshkosh WI

Flood Warning until further notice
Frost Advisory May 1, 12:00am until May 1, 08:00am
Click here for hazard details and duration
Flood Warning until further notice
Frost Advisory
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • This Afternoon

    High: 49 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before midnight, then a chance of sprinkles between midnight and 1am. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 35. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of sprinkles between 1pm and 4pm, then a slight chance of showers after 4pm. Areas of frost before 9am. Otherwise, mostly sunny, with a high near 48. North wind around 6 mph. Chance of precipitation is 20%.

    High: 48 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33. North wind around 5 mph becoming light and variable after midnight.

    Low: 33 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 52. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 52 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Partly sunny, with a high near 49. North northeast wind around 6 mph.
Tonight
A chance of showers before midnight, then a chance of sprinkles between midnight and 1am. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 35. North wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of sprinkles between 1pm and 4pm, then a slight chance of showers after 4pm. Areas of frost before 9am. Otherwise, mostly sunny, with a high near 48. North wind around 6 mph. Chance of precipitation is 20%.
Friday Night
Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33. North wind around 5 mph becoming light and variable after midnight.
Saturday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 52. Light and variable wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 61.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 45.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 66.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 44.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 54.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
2:57 pm CDT Apr 30, 2026
Forecast Valid:
5pm CDT Apr 30, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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