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

40°F

4°C

Humidity 74%
Wind Speed NW 14 G 18 mph
Barometer 30.06 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Mar 5:55 pm CDT
Extended Forecast for

Mark IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Gradual
    Clearing and
    Blustery then
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 48. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 39. Windy, with a south wind 20 to 25 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 45 mph.

    Low: 39 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 49. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 49 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 43.

    High: 43 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then a chance of rain and snow. Cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain. High near 53. Breezy. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 50%.

    Low: 17 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 48. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. Windy, with a south wind 20 to 25 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 45 mph.
Friday
Mostly sunny, with a high near 49. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Cloudy, with a high near 43.
Saturday Night
A chance of snow before 1am, then a chance of rain and snow. Cloudy, with a low around 36. Chance of precipitation is 50%.
Sunday
Rain. High near 53. Breezy. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 23.
Wednesday
Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
Last Update:
3:17 pm CDT Mar 11, 2026
Forecast Valid:
6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation