Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.34°F
1°C
| Humidity | 73% |
| Wind Speed | N 9 mph |
| Barometer | 30.30 in (1026.7 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 23 Mar 6:56 am CDT |
Extended Forecast for
Nason IL
Today

High: 51 °F
Increasing
CloudsTonight

Low: 37 °F
Mostly Cloudy
Tuesday

High: 57 °F
Partly Sunny
Tuesday Night

Low: 42 °F
Partly Cloudy
Wednesday

High: 68 °F
Mostly Sunny
Wednesday Night

Low: 59 °F
Partly Cloudy
Thursday

High: 81 °F
Sunny
Thursday Night

Low: 44 °F
Showers
LikelyFriday

High: 50 °F
Chance
Showers
Detailed Forecast
Today
Increasing clouds, with a high near 51. North northeast wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 37. East northeast wind 7 to 10 mph.
Tuesday
Partly sunny, with a high near 57. East wind 5 to 9 mph becoming light east southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. East southeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 59. South wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 81. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 24 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 50. North wind 14 to 17 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53. North wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 37. Light and variable wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 60. South wind 5 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Nason IL
38.16°N 88.95°W
38.16°N 88.95°W
6:46 am CDT Mar 23, 2026
7am CDT Mar 23, 2026-6pm CDT Mar 29, 2026


