Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
55°F
13°C
| Humidity | 44% |
| Wind Speed | NE 9 mph |
| Barometer | 30.32 in (1027.4 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 7 Apr 4:56 pm CDT |
Extended Forecast for
Nason IL
Tonight

Low: 40 °F
Mostly Clear
Wednesday

High: 73 °F
Mostly Sunny
Wednesday Night

Low: 53 °F
Mostly Clear
Thursday

High: 76 °F
Sunny
Thursday Night

Low: 56 °F
Partly Cloudy
Friday
High: 75 °F
Slight Chance
Showers then
Chance
T-stormsFriday Night

Low: 54 °F
Chance
T-stormsSaturday

High: 77 °F
Partly Sunny
Saturday Night

Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 40. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 76. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind around 7 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. South southwest wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 77. East northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 58. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 83. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 11 to 16 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 28 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 16 mph, with gusts as high as 24 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST
Point Forecast:
Nason IL
38.18°N 88.98°W
38.18°N 88.98°W
4:07 pm CDT Apr 7, 2026
5pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026


