Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
53°F
12°C
| Humidity | 57% |
| Wind Speed | S 7 mph |
| Barometer | 29.90 in (1013.2 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 27 Feb 7:56 pm CST |
Extended Forecast for
2 Miles W Nason IL
Tonight

Low: 40 °F
Mostly Clear
Saturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 34 °F
Partly Cloudy
Sunday

High: 48 °F
Partly Sunny
Sunday Night

Low: 34 °F
Rain/Snow
LikelyMonday

High: 45 °F
Chance
ShowersMonday Night

Low: 40 °F
Showers
LikelyTuesday

High: 61 °F
Showers
LikelyTuesday Night

Low: 50 °F
Showers
Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 40. Southwest wind around 6 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 66. North northeast wind 5 to 8 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 34. South wind 6 to 9 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 48. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Rain likely, possibly mixed with snow showers, becoming all rain after 3am. Cloudy, with a low around 34. East northeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 45. East wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Showers likely, mainly after midnight. Cloudy, with a low around 40. East wind around 7 mph becoming south southeast after midnight. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. South southwest wind 7 to 10 mph.
Tuesday Night
Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 50. Southeast wind 7 to 9 mph.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. South southeast wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 68. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. South wind around 9 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. South southwest wind 8 to 11 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Nason IL
38.18°N 89.01°W
38.18°N 89.01°W
8:16 pm CST Feb 27, 2026
8pm CST Feb 27, 2026-6pm CST Mar 6, 2026



