A Large Storm Expected To Impact the Midwest into the East.

A large storm system will slide from the Central U.S. into the East over the next couple of days. A zone of heavy snow is expected from the Mid Mississippi Valley into the Great Lakes, especially impacting parts of Iowa, Illinois, Wisconsin and Michigan. While, locally heavy rain with a marginal risk for excessive rainfall will be possible across the South into the southern Appalachians. Read More >

Hazardous Weather Conditions

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Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Light Snow Fog/Mist

19°F

-7°C

Humidity	92%
Wind Speed	NW 15 mph
Barometer	29.81 in (1012.2 mb)
Dewpoint	17°F (-8°C)
Visibility	2.50 mi
Wind Chill	5°F (-15°C)
Last update	23 Jan 7:56 am CST

More Information:

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

Extended Forecast for

Savanna IL

Winter Storm Warning until January 23, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until January 23, 12:00pm

NOW until
12:00pm Wed

Winter Storm Warning
Today

Snow then
Mostly Cloudy
High: 22 °F
Tonight

Decreasing
Clouds
Low: 6 °F
Thursday

Mostly Cloudy
then Patchy
Blowing Snow
and Blustery
High: 18 °F⇓
Thursday
Night

Patchy
Blowing Snow
and Blustery
then Mostly
Clear
Low: -13 °F
Friday

Chance Snow
High: 1 °F
Friday
Night

Mostly Cloudy
Low: -10 °F
Saturday

Cold
High: 6 °F
Saturday
Night

Mostly Cloudy
then Slight
Chance Snow
Low: -1 °F

Detailed Forecast

Today

Snow, mainly before 11am. High near 22. Northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 2 inches.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values as low as zero. West wind 5 to 10 mph.

Thursday

Patchy blowing snow after 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 18 by 10am, then falling to around 5 during the remainder of the day. Wind chill values as low as -15. Blustery, with a northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Thursday Night

Patchy blowing snow before 7pm. Mostly clear, with a low around -13. Wind chill values as low as -30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

Friday

A 30 percent chance of snow, mainly after noon. Partly sunny and cold, with a high near 1.

Friday Night

Mostly cloudy, with a low around -10.

Saturday

Partly sunny and cold, with a high near 6.

Saturday Night

A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -1.

Sunday

Mostly cloudy, with a high near 16.

Sunday Night

Snow. Low around 8. Chance of precipitation is 80%.