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

18°F

-8°C

Humidity 62%
Wind Speed N 12 mph
Barometer 30.39 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 30 Jan 12:42 pm CST
Extended Forecast for

Mark IL

  • This Afternoon

    This Afternoon: A chance of flurries before 1pm, then a chance of snow, mainly after 3pm. Mostly cloudy, with a high near 16. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 16 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow before 9pm, then a chance of flurries between 9pm and 11pm. Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 5 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Wind chill values as low as zero. Northwest wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
A chance of flurries before 1pm, then a chance of snow, mainly after 3pm. Mostly cloudy, with a high near 16. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
A chance of snow before 9pm, then a chance of flurries between 9pm and 11pm. Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 5. Wind chill values as low as zero. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 31.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
Last Update:
11:37 am CST Jan 30, 2026
Forecast Valid:
12pm CST Jan 30, 2026-6pm CST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation