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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

45°F

7°C

Humidity 84%
Wind Speed SE 12 mph
Barometer 29.85 in
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Wind Chill39°F (4°C)
Last update 25 Dec 11:35 pm CST
Extended Forecast for

Illinois Valley Rgnl-Walter A Duncan Field Airport IL

  • Tonight

    Tonight: Areas of drizzle with scattered showers before 3am, then periods of showers or drizzle between 3am and 5am, then areas of drizzle with scattered showers after 5am. Patchy fog. Temperature rising to around 49 by 5am. East southeast wind 5 to 15 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F⇑

    Showers and
    Patchy Fog

  • Friday

    Friday: Areas of drizzle with scattered showers before 8am, then patchy drizzle with isolated sprinkles between 8am and 10am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 53. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 53 °F

    Areas Drizzle
    and Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after midnight. Cloudy, with a low around 49. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 49 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after noon. Cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.

    High: 52 °F

    Rain Likely
    and Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 40%.

    Low: 16 °F

    Blustery.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. Windy.

    High: 23 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of drizzle with scattered showers before 3am, then periods of showers or drizzle between 3am and 5am, then areas of drizzle with scattered showers after 5am. Patchy fog. Temperature rising to around 49 by 5am. East southeast wind 5 to 15 mph becoming south after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Areas of drizzle with scattered showers before 8am, then patchy drizzle with isolated sprinkles between 8am and 10am. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 53. South southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 54. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of rain after midnight. Cloudy, with a low around 49. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Sunday
Rain likely, mainly after noon. Cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 23. Windy.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 16.
New Year's Day
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley Rgnl-Walter A Duncan Field Airport IL
 41.34°N 89.14°W
Last Update:
10:01 pm CST Dec 25, 2025
Forecast Valid:
11pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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