Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

55°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 29.89 in (1011.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 8:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

Flood Watch April 17, 01:00pm until April 18, 07:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 51. Southeast wind 5 to 10 mph.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 76. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Patchy Fog
    then Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am.  Low around 36. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. South wind 5 to 10 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 51. Southeast wind 5 to 10 mph.
Friday
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 76. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Low around 36. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly sunny, with a high near 45. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 29. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming southeast after midnight.
Monday
Sunny, with a high near 56. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
8:36 pm CDT Apr 16, 2026
9pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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