Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
A Few Clouds
N/A
| Humidity | NA |
| Wind Speed | Calm |
| Barometer | 30.21 in |
| Dewpoint | N/A |
| Visibility | 10.00 mi |
| Last update | 4 Dec 11:56 pm CST |
Extended Forecast for
Nason IL
Overnight
Low: 18 °F
Mostly Cloudy
Friday
High: 42 °F
Sunny
Friday Night
Low: 28 °F
Increasing
CloudsSaturday
High: 43 °F
Mostly Sunny
Saturday Night
Low: 28 °F
Mostly Cloudy
then Slight
Chance
Freezing RainSunday
High: 42 °F
Slight Chance
Showers then
Mostly CloudySunday Night
Low: 19 °F
Slight Chance
Rain/Snow
then Mostly
CloudyMonday
High: 35 °F
Mostly Sunny
Monday Night
Low: 23 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 18. Calm wind.
Friday
Sunny, with a high near 42. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 28. South southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 43. Light and variable wind becoming west northwest around 5 mph.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 42. East wind 5 to 10 mph becoming north northwest in the morning.
Sunday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 19. North wind 6 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 23. Calm wind becoming south southwest 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 32. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. South southwest wind 11 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 24. Northwest wind 7 to 10 mph.
Thursday
Partly sunny, with a high near 36. West northwest wind 7 to 10 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Nason IL
38.18°N 88.98°W
38.18°N 88.98°W
12:06 am CST Dec 5, 2025
12am CST Dec 5, 2025-6pm CST Dec 11, 2025
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