Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

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Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

8°F

-13°C

Humidity	87%
Wind Speed	Calm
Barometer	30.60 in (1039.1 mb)
Dewpoint	5°F (-15°C)
Visibility	8.00 mi
Last update	19 Feb 8:53 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

2 Miles SE Green Lake WI

Winter Weather Advisory February 20, 06:00am until February 20, 06:00pm

Click here for hazard details and duration

Winter Weather Advisory

Today

Sunny
High: 24 °F
Tonight

Mostly Cloudy
then Snow
Likely
Low: 17 °F
Wednesday

Snow then
Wintry Mix
High: 31 °F
Wednesday
Night

Chance Wintry
Mix then
Mostly Cloudy
Low: 22 °F
Thursday

Decreasing
Clouds
High: 29 °F
Thursday
Night

Partly Cloudy
Low: 9 °F
Friday

Mostly Sunny
High: 31 °F
Friday
Night

Mostly Cloudy
then Chance
Snow
Low: 21 °F
Saturday

Chance Snow
then Slight
Chance
Rain/Snow
High: 36 °F

Detailed Forecast

Today

Sunny, with a high near 24. Wind chill values between -5 and 5. Calm wind becoming south around 5 mph in the afternoon.

Tonight

Snow likely, mainly after 5am. Mostly cloudy, with a low around 17. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday

Snow before 5pm, then snow, possibly mixed with freezing rain. High near 31. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A chance of snow and freezing rain, mainly before 9pm. Mostly cloudy, with a low around 22. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 40%.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 29. West wind around 10 mph.

Thursday Night

Partly cloudy, with a low around 9. West wind around 5 mph.

Friday

Mostly sunny, with a high near 31. West wind around 5 mph becoming southeast in the afternoon.

Friday Night

A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph.

Saturday

A chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 5pm, then a slight chance of rain and snow after 5pm. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.

Saturday Night

Rain and snow, becoming all snow after 8pm. Low around 29. Chance of precipitation is 90%.

Sunday

Rain and snow. High near 35. Chance of precipitation is 80%.

Sunday Night

Mostly cloudy, with a low around 8.

Monday

Mostly sunny, with a high near 25.