Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain
36°F
2°C
| Humidity | 62% |
| Wind Speed | NW 8 mph |
| Barometer | 30.21 in (1023.6 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 10 Jan 11:56 pm CST |
Extended Forecast for
4 Miles SW Nason IL
Overnight

Low: 28 °F
Slight Chance
Sprinkles/FlurriesSunday

High: 38 °F
Sunny
Sunday Night

Low: 26 °F
Mostly Clear
Monday

High: 50 °F
Sunny
Monday Night

Low: 36 °F
Partly Cloudy
Tuesday

High: 58 °F
Mostly Sunny
Tuesday Night
Low: 40 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday
High: 43 °F
Partly Sunny
then Slight
Chance
ShowersWednesday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Overnight
A slight chance of sprinkles before 2am, then a slight chance of flurries. Cloudy early, then clearing, with a low around 28. West northwest wind 11 to 15 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 38. Northwest wind 6 to 16 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 26. Calm wind becoming southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 50. South southwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 36. South southwest wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. West wind 7 to 10 mph.
Wednesday
A slight chance of showers after noon. Partly sunny, with a high near 43. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 19. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind 5 to 9 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 27. South wind 5 to 10 mph.
Friday
Partly sunny, with a high near 43. West wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 34. West wind 8 to 13 mph.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SW Nason IL
38.14°N 89.01°W
38.14°N 89.01°W
12:16 am CST Jan 11, 2026
12am CST Jan 11, 2026-6pm CST Jan 17, 2026



