Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
22°F
-6°C
| Humidity | 81% |
| Wind Speed | W 8 mph |
| Barometer | 30.05 in |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 21 Feb 1:15 am CST |
Extended Forecast for
Mark IL
Overnight
Low: 20 °F
Partly Cloudy
Saturday
High: 34 °F
Mostly Cloudy
Saturday Night
Low: 20 °F
Mostly Cloudy
then Slight
Chance SnowSunday
High: 29 °F
Partly Sunny
and BlusterySunday Night
Low: 17 °F
Mostly Cloudy
Monday
High: 31 °F
Sunny
Monday Night
Low: 18 °F
Partly Cloudy
Tuesday
High: 43 °F
Partly Sunny
Tuesday Night
Low: 30 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 20. West wind 5 to 10 mph.
Saturday
Mostly cloudy, with a high near 34. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mark IL
41.26°N 89.26°W (Elev. 699 ft)
41.26°N 89.26°W (Elev. 699 ft)
10:52 pm CST Feb 20, 2026
1am CST Feb 21, 2026-6pm CST Feb 27, 2026
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