Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

20°F

-7°C

Humidity	55%
Wind Speed	N 17 G 35 mph
Barometer	29.96 in (1015.6 mb)
Dewpoint	6°F (-14°C)
Visibility	10.00 mi
Wind Chill	5°F (-15°C)
Last update	14 Jan 12:53 pm CST

More Information:

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

Extended Forecast for

Sun Prairie WI

This Afternoon
High: 22 °F
Partly Sunny
and Blustery
Tonight
Low: 11 °F
Partly Cloudy
Thursday
High: 24 °F
Sunny then
Slight Chance
Snow
Thursday Night
Low: 21 °F
Snow
Friday
High: 34 °F
Snow Likely
Friday Night
Low: 10 °F
Chance Snow
Saturday
High: 15 °F
Chance Snow
Saturday Night
Low: 2 °F
Mostly Cloudy
Sunday
High: 14 °F
Partly Sunny
then Slight
Chance Snow

Detailed Forecast

This Afternoon

Partly sunny, with a high near 22. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

Tonight

Partly cloudy, with a low around 11. Wind chill values between zero and 5. North wind 5 to 15 mph, with gusts as high as 30 mph.

Thursday

A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 24. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

Thursday Night

Snow. Low around 21. Southwest wind around 10 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 34. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 10. West wind 10 to 15 mph.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 15. West wind 10 to 15 mph.

Saturday Night

Mostly cloudy, with a low around 2. Northwest wind 10 to 15 mph.

Sunday

A 20 percent chance of snow after noon. Partly sunny, with a high near 14.

Sunday Night

A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2.

M.L.King Day

Partly sunny and cold, with a high near 8.