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.

Fog

47°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.79 in
Dewpoint 47°F (8°C)
Visibility 0.50 mi
Last update 25 Nov 5:35 am CST
Extended Forecast for

Granville IL

Wind Advisory November 26, 03:00am until November 26, 06:00pm
Dense Fog Advisory November 25, 05:51am until November 25, 10:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory November 25, 05:51am until November 25, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 46 °F

    Rain and
    Areas Fog

  • Tuesday

    Tuesday: A chance of rain before 9am, then a slight chance of rain after 5pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain
    and Areas Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 9pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 32. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Breezy. Rain
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow. Mostly cloudy, with a high near 37. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 37 °F

    Slight Chance
    Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Breezy.

    Low: 24 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain. Areas of fog. Low around 46. Calm wind. Chance of precipitation is 80%.
Tuesday
A chance of rain before 9am, then a slight chance of rain after 5pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Rain likely, mainly before 9pm. Cloudy during the early evening, then becoming partly cloudy, with a low around 32. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 37. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday Night
Partly cloudy, with a low around 24. Breezy.
Thanksgiving Day
Mostly sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 18.
Friday
Mostly sunny, with a high near 32.
Friday Night
Snow likely after midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Saturday
Snow. High near 33. Chance of precipitation is 80%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Granville IL
 41.26°N 89.24°W (Elev. 699 ft)
Last Update:
5:11 am CST Nov 25, 2025
Forecast Valid:
5am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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