Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Overcast
54°F
12°C
| Humidity | 77% |
| Wind Speed | W 3 mph |
| Barometer | 30.15 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 7:58 am CDT |
Extended Forecast for
Mark IL
Today
High: 71 °F
Slight Chance
Showers then
Slight Chance
T-stormsTonight

Low: 49 °F
Showers
Friday

High: 60 °F
Showers
LikelyFriday Night

Low: 39 °F
Mostly Clear
Saturday

High: 62 °F
Partly Sunny
Saturday Night

Low: 55 °F
Mostly Cloudy
Sunday
High: 75 °F
Breezy.
Mostly Cloudy
then Chance
ShowersSunday Night

Low: 63 °F
Showers
Likely and
BreezyMonday
High: 80 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
Today
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 71. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 49. Northwest wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 60. North wind around 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 39. North wind around 5 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Monday Night
Showers likely, mainly after 1am. Partly cloudy, with a low around 65. Breezy. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Wednesday
A 40 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)
3:22 am CDT Apr 9, 2026
8am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



