Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Overcast
76°F
24°C
| Humidity | 64% |
| Wind Speed | S 7 mph |
| Barometer | 29.81 in (1009.5 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 17 Apr 9:56 pm CDT |
Extended Forecast for
2 Miles W Nason IL
Tonight
Low: 51 °F
Slight Chance
T-storms then
ShowersSaturday
High: 64 °F⇓
Showers then
Slight Chance
ShowersSaturday Night

Low: 39 °F
Mostly Clear
Sunday

High: 68 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Monday

High: 68 °F
Sunny
Monday Night

Low: 51 °F
Clear
Tuesday

High: 79 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
then Slight
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 51. South wind around 11 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Temperature falling to around 53 by 9am. Northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
Mostly clear, with a low around 39. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 68. Light west southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 41. West northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Clear, with a low around 51. Southeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 57. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 81. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Thursday
Sunny, with a high near 84. South wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 18 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 10 to 14 mph, with gusts as high as 21 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
10:12 pm CDT Apr 17, 2026
10pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026



