Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
18°F
-8°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.45 in (1032.3 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 12:56 am CST |
Extended Forecast for
4 Miles SW Nason IL
Overnight
Low: 25 °F
Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 35 °F
Mostly Clear
Tuesday
High: 58 °F
Increasing
CloudsTuesday Night
Low: 40 °F
Chance
ShowersWednesday
High: 44 °F
Mostly Cloudy
then Slight
Chance
Rain/SnowWednesday Night
Low: 19 °F
Mostly Cloudy
Thursday
High: 31 °F
Sunny
Thursday Night
Low: 24 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 25. South southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 50. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 6 to 10 mph.
Tuesday
Increasing clouds, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. Southwest wind 7 to 10 mph becoming west northwest after midnight.
Wednesday
A slight chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a high near 44. Northwest wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 31. North northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 24. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 43. West wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 22. West wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 32. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 28. West northwest wind 9 to 13 mph, with gusts as high as 20 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Nason IL
38.14°N 89.01°W
38.14°N 89.01°W
1:17 am CST Jan 12, 2026
1am CST Jan 12, 2026-6pm CST Jan 18, 2026
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