Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Light Snow and Breezy

18°F

-8°C

Humidity 79%
Wind Speed W 23 G 35 mph
Barometer 30.04 in
Dewpoint 12°F (-11°C)
Visibility 3.00 mi
Wind Chill1°F (-17°C)
Last update 29 Dec 9:15 am CST
Extended Forecast for

Mendota IL

Wind Advisory December 29, 09:34am until December 29, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 09:34am until December 29, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 17 °F

    Chance
    Flurries and
    Windy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as -3. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Cloudy and
    Blustery then
    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 28 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon.  Mostly cloudy, with a high near 30. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of flurries. Cloudy, with a high near 17. Wind chill values as low as -3. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as -3. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 28. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 30. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 10.
New Year's Day
Mostly sunny, with a high near 19.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Mendota IL
 41.54°N 89.13°W
9:01 am CST Dec 29, 2025
9am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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