Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
58°F
14°C
| Humidity | 47% |
| Wind Speed | SW 14 G 20 mph |
| Barometer | 29.76 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 9 Mar 9:35 am CDT |
Extended Forecast for
Mark IL
Today

High: 73 °F
Sunny
Tonight

Low: 55 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
then Chance
T-stormsTuesday Night

Low: 41 °F
T-storms
Wednesday

High: 53 °F
Rain Likely
and BreezyWednesday Night

Low: 28 °F
Partly Cloudy
Thursday

High: 48 °F
Mostly Sunny
Thursday Night

Low: 39 °F
Chance Rain
and BreezyFriday

High: 51 °F
Partly Sunny
and Breezy
Detailed Forecast
Today
Sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 55. Southwest wind around 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 41. Southeast wind around 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 53. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39. Breezy.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Cloudy, with a high near 50.
Saturday Night
A 30 percent chance of rain. Cloudy, with a low around 37.
Sunday
Rain likely. Cloudy, with a high near 53. Breezy. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mark IL
41.26°N 89.24°W (Elev. 699 ft)
41.26°N 89.24°W (Elev. 699 ft)
8:06 am CDT Mar 9, 2026
9am CDT Mar 9, 2026-6pm CDT Mar 15, 2026


