Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
74°F
23°C
| Humidity | 43% |
| Wind Speed | SW 16 mph |
| Barometer | 29.68 in |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 9 Mar 3:50 pm CDT |
Extended Forecast for
Mark IL
This Afternoon

High: 73 °F
Sunny
Tonight

Low: 57 °F
Mostly Clear
Tuesday
High: 67 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 44 °F
T-storms
Wednesday

High: 54 °F
Rain Likely
Wednesday Night

Low: 28 °F
Partly Cloudy
Thursday

High: 47 °F
Mostly Sunny
Thursday Night
Low: 40 °F
Breezy.
Mostly Cloudy
then Chance
RainFriday

High: 51 °F
Partly Sunny
and Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 57. Southwest wind around 10 mph.
Tuesday
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 67. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. East wind around 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 54. 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 47.
Thursday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 40. 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 53.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.
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 pm CDT Mar 9, 2026
4pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026


