National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Light Rain

30°F

-1°C

Humidity 93%
Wind Speed NE 15 mph
Barometer 29.99 in
Dewpoint 28°F (-2°C)
Visibility 4.00 mi
Wind Chill19°F (-7°C)
Last update 7 Dec 5:55 am CST
Extended Forecast for

Mc Nabb IL

  • Today

    Today: Snow likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 17 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 30 °F⇓

    Snow Likely
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 6. Wind chill values as low as -5. North wind 5 to 10 mph becoming light northeast after midnight.

    Low: 6 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 25. Calm wind becoming south around 5 mph in the afternoon.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 32. Breezy. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. Breezy.

    High: 36 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Snow likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 17 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Increasing clouds, with a low around 6. Wind chill values as low as -5. North wind 5 to 10 mph becoming light northeast after midnight.
Monday
Partly sunny, with a high near 25. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 32. Breezy. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 36. Breezy.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 11.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Nabb IL
 41.17°N 89.21°W (Elev. 673 ft)
Last Update:
4:21 am CST Dec 7, 2025
Forecast Valid:
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation