National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

36°F

2°C

Humidity 59%
Wind Speed NW 8 mph
Barometer 30.05 in (1018.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Apr 7:53 am CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • Today

    Today: A slight chance of snow showers before 10am, then a chance of sprinkles between 10am and 11am. Partly sunny, with a high near 45. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Sprinkles/Snow
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost before 7am. Otherwise, sunny, with a high near 51. Southwest wind 5 to 10 mph.

    High: 51 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. South wind 10 to 15 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 70. Southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. North wind around 5 mph becoming east in the evening.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Southeast wind around 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of snow showers before 10am, then a chance of sprinkles between 10am and 11am. Partly sunny, with a high near 45. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Widespread frost before 7am. Otherwise, sunny, with a high near 51. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 39. South wind 10 to 15 mph.
Tuesday
Sunny, with a high near 70. Southwest wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. North wind around 5 mph becoming east in the evening.
Wednesday
Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. Southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
7:34 am CDT Apr 19, 2026
Forecast Valid:
8am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation