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Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
88°F
31°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.03 in (1016.8 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 16 Aug 6:56 pm CDT |
Extended Forecast for
4 Miles NW Macedonia IL
Heat Advisory August 16, 07:41pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Tonight
Low: 74 °F
Partly Cloudy
Sunday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night
Low: 74 °F
Slight Chance
T-storms then
Mostly ClearMonday
High: 97 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 73 °F
Chance
T-stormsWednesday
High: 88 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Partly cloudy, with a low around 74. Light and variable wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Light and variable wind.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 105. Light east wind.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Light north wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 85. North northeast wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 66. Light northeast wind.
Saturday
Sunny, with a high near 91. Calm wind becoming north northwest around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Macedonia IL
38.11°N 88.76°W
38.11°N 88.76°W
5:45 pm CDT Aug 16, 2025
7pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
Additional Resources
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