Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
101°F
38°C
| Humidity | 34% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 29.85 in (1010.6 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 5 Sep 4:56 pm CDT |
Extended Forecast for
4 Miles NW Macedonia IL
Extreme Heat Warning September 5, 05:11pm until September 5, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Tonight
Low: 72 °F
Slight Chance
T-storms then
Mostly ClearSunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Labor Day
High: 91 °F
Becoming
SunnyMonday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
Wednesday
High: 99 °F
Hot
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind becoming north northeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 91. Northeast wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 63. Northeast wind 5 to 10 mph.
Labor Day
Partly sunny, then gradually becoming sunny, with a high near 91. East northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 96. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 72. South southeast wind 5 to 8 mph.
Wednesday
Sunny and hot, with a high near 99. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. Southwest wind around 6 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northwest wind 5 to 9 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 89. Light and variable wind becoming southeast around 6 mph in the morning.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 64. Light east wind.
Saturday
A slight chance of showers. Mostly sunny, with a high near 92. South southwest wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Macedonia IL
38.11°N 88.76°W
38.11°N 88.76°W
4:46 pm CDT Sep 5, 2026
5pm CDT Sep 5, 2026-6pm CDT Sep 12, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
