Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
72°F
22°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 5 Sep 5:56 am CDT |
Extended Forecast for
5 Miles W Opdyke IL
Extreme Heat Warning September 5, 06:40am until September 5, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Today
High: 102 °F
Mostly Sunny
then Chance
ShowersTonight
Low: 71 °F
Slight Chance
T-storms then
Mostly ClearSunday
High: 92 °F
Decreasing
CloudsSunday Night
Low: 62 °F
Mostly Clear
Labor Day
High: 91 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 73 °F
Mostly Clear
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Calm wind becoming northeast around 6 mph after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 92. Northeast wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 62. Northeast wind 5 to 10 mph becoming light east northeast after midnight.
Labor Day
Sunny, with a high near 91. East wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. South wind 5 to 8 mph.
Wednesday
Sunny and hot, with a high near 101. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers after 1am. Mostly clear, with a low around 70. Southwest wind around 6 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 91. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 90. Calm wind becoming southeast around 6 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles W Opdyke IL
38.29°N 88.83°W
38.29°N 88.83°W
1:26 am CDT Sep 5, 2026
6am CDT Sep 5, 2026-6pm CDT Sep 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
