High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

-2°F

-19°C

Humidity 65%
Wind Speed W 9 mph
Barometer 30.29 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-18°F (-28°C)
Last update 26 Jan 3:40 am CST
Extended Forecast for

Mark IL

Cold Weather Advisory January 26, 04:16am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 26, 04:16am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • Today

    High: 8 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 13 by 5am. Wind chill values as low as -10. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 7 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Wind chill values as low as -5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 17 °F

    Mostly Sunny
    and Blustery

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2. Wind chill values as low as -10. West wind 5 to 10 mph.

    Low: 2 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and cold, with a high near 8. Wind chill values as low as -20. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a temperature rising to around 13 by 5am. Wind chill values as low as -10. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 17. Wind chill values as low as -5. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 2. Wind chill values as low as -10. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Mostly clear, with a low around 0.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Mostly clear, with a low around 1.
Friday
Sunny, with a high near 18.
Friday Night
Mostly clear, with a low around 2.
Saturday
Sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
3:17 am CST Jan 26, 2026
4am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database