Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Unknown Precip

19°F

-7°C

Humidity 68%
Wind Speed SW 8 mph
Barometer 29.92 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 18 Jan 7:19 pm CST
Extended Forecast for

Mark IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Snow likely before 11pm, then a chance of flurries between 11pm and midnight.  Mostly cloudy, with a low around 1. Wind chill values as low as -20. Blustery, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 1 °F

    Blustery.
    Snow Likely
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 11. Wind chill values as low as -20. Blustery, with a west wind 15 to 25 mph, with gusts as high as 30 mph.

    High: 11 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Wind chill values as low as -5. West wind 5 to 10 mph.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Wind chill values as low as -5. West wind 5 to 10 mph becoming south in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight.  Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, with a low around 1. Wind chill values as low as -20. Blustery, with a northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
M.L.King Day
Mostly sunny, with a high near 11. Wind chill values as low as -20. Blustery, with a west wind 15 to 25 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 6. Wind chill values as low as -5. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 25. Wind chill values as low as -5. West wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
Mostly cloudy, with a high near 11.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -3.
Sunday
Partly sunny and cold, with a high near 10.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mark IL
 41.26°N 89.26°W (Elev. 699 ft)
3:16 pm CST Jan 18, 2026
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

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