


Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
70°F
21°C
Humidity | 76% |
Wind Speed | SE 7 mph |
Barometer | 30.08 in (1018.6 mb) |
Dewpoint | 62°F (17°C) |
Visibility | 10.00 mi |
Last update | 5 Oct 11:56 pm CDT |
Extended Forecast for
Nason IL
Overnight
Low: 63 °F
Clear
Monday
High: 84 °F
Slight Chance
Showers then
Showers
LikelyMonday Night
Low: 66 °F
Showers
LikelyTuesday
High: 79 °F
Showers
LikelyTuesday Night
Low: 54 °F
Mostly Cloudy
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 47 °F
Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 45 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 63. Calm wind becoming south southeast around 6 mph.
Monday
Showers likely and possibly a thunderstorm, mainly after 1pm. Increasing clouds, with a high near 84. South southeast wind 5 to 9 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Calm wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 54. North northeast wind 8 to 10 mph.
Wednesday
Sunny, with a high near 74. Northeast wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 47. Northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 73. East northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 45. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Light east northeast wind.
Saturday
Sunny, with a high near 78. Calm wind becoming east southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 50. Light east southeast wind.
Sunday
Sunny, with a high near 79. Calm wind becoming south southeast 5 to 8 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Nason IL
38.18°N 88.98°W
38.18°N 88.98°W
11:16 pm CDT Oct 5, 2025
12am CDT Oct 6, 2025-6pm CDT Oct 12, 2025