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Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Overcast
49°F
9°C
| Humidity | 83% |
| Wind Speed | W 14 mph |
| Barometer | 29.93 in |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 3 Apr 3:55 am CDT |
Extended Forecast for
Mark IL
Today
High: 69 °F
Partly Sunny
then Slight
Chance
T-stormsTonight

Low: 50 °F
Showers
Saturday

High: 58 °F⇓
Chance
Showers and
BreezySaturday Night
Low: 36 °F
Mostly Cloudy
and Breezy
then Partly
CloudySunday

High: 52 °F
Partly Sunny
Sunday Night

Low: 36 °F
Mostly Clear
Monday

High: 52 °F
Mostly Sunny
Monday Night

Low: 28 °F
Mostly Clear
Tuesday

High: 48 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 69. West wind 5 to 10 mph becoming east in the morning.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 50. East wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a temperature falling to around 49 by 5pm. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 67. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mark IL
41.26°N 89.26°W (Elev. 699 ft)
41.26°N 89.26°W (Elev. 699 ft)
1:26 am CDT Apr 3, 2026
4am CDT Apr 3, 2026-6pm CDT Apr 9, 2026



