Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

8°F

-13°C

Humidity 84%
Wind Speed S 6 mph
Barometer 30.01 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 5 Dec 6:15 am CST
Extended Forecast for

McNabb IL

  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 29. Wind chill values as low as -5. South wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28. Northwest wind around 5 mph becoming calm  in the afternoon.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight.  Cloudy, with a low around 18. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 50 percent chance of snow before noon.  Partly sunny, with a high near 25. New snow accumulation of less than one inch possible.

    High: 25 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 29. Wind chill values as low as -5. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 22. Southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly cloudy, with a high near 28. Northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 18. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 50 percent chance of snow before noon. Partly sunny, with a high near 25. New snow accumulation of less than one inch possible.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 22.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 28.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
McNabb IL
 41.17°N 89.21°W (Elev. 673 ft)
4:41 am CST Dec 5, 2025
6am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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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