News Headlines
Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
77°F
25°C
| Humidity | 50% |
| Wind Speed | SW 10 mph |
| Barometer | 29.77 in |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 30 Mar 9:35 pm CDT |
Extended Forecast for
Mark IL
Severe T-storm Watch until March 31, 03:00am
NOW until 3:00am Tue

Severe T-storm Watch
Tonight

Low: 64 °F
Chance
T-stormsTuesday
High: 78 °F
Breezy.
Chance
T-storms then
Showers
LikelyTuesday Night

Low: 41 °F
Showers
Wednesday

High: 48 °F
Showers
LikelyWednesday Night

Low: 43 °F
Showers
Thursday

High: 71 °F
Showers
Thursday Night

Low: 48 °F
Showers
LikelyFriday
High: 70 °F
Mostly Sunny
then Chance
Showers
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 64. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 78. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 41. Northwest wind around 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 48. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 43. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after 10am. High near 71. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 70.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
9:26 pm CDT Mar 30, 2026
9pm CDT Mar 30, 2026-6pm CDT Apr 6, 2026



