Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Light Rain

57°F

14°C

Humidity	100%
Wind Speed	E 5 mph
Barometer	29.43 in
Dewpoint	57°F (14°C)
Visibility	3.00 mi
Last update	28 Dec 12:55 pm CST

More Information:

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

Extended Forecast for

4 Miles E Oswego IL

Wind Advisory December 28, 06:00pm until December 29, 03:00pm

Click here for hazard details and duration

Wind Advisory

This Afternoon
High: 55 °F
Rain and
Patchy Fog
Tonight
Low: 17 °F
Windy. Cloudy
then Snow
Showers
Likely
Monday
High: 23 °F
Chance Snow
Showers and
Windy then
Partly Sunny
and Blustery
Monday Night
Low: 12 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Tuesday
High: 28 °F
Partly Sunny
Tuesday Night
Low: 24 °F
Mostly Cloudy
Wednesday
High: 31 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday Night
Low: 16 °F
Chance Snow
then Mostly
Cloudy
New Year's Day
High: 20 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Rain and possibly a thunderstorm, mainly before 5pm. Patchy fog. High near 55. Breezy, with a south southeast wind 5 to 10 mph becoming west 15 to 20 mph. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Snow showers likely, mainly after 3am. Cloudy, with a low around 17. Wind chill values as low as -3. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

A 40 percent chance of snow showers before noon. Mostly cloudy, with a high near 23. Wind chill values as low as -2. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 45 mph.

Monday Night

Partly cloudy, with a low around 12. Wind chill values as low as -2. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

Tuesday

Partly sunny, with a high near 28. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly cloudy, with a low around 24.

Wednesday

A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31.

Wednesday Night

A chance of snow before midnight. Mostly cloudy, with a low around 16.

New Year's Day

Mostly sunny, with a high near 20.