Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Light Rain
58°F
14°C
| Humidity | 100% |
| Wind Speed | SE 5 mph |
| Barometer | 29.97 in (1015.1 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 5 Mar 4:56 am CST |
Extended Forecast for
2 Miles W Nason IL
Flood Watch until March 5, 12:00pm
NOW until 12:00pm Thu

Flood Watch
Overnight

Low: 57 °F
Showers and
Patchy FogThursday
High: 71 °F
Showers and
Patchy Fog
then Chance
ShowersThursday Night

Low: 58 °F
Chance
T-stormsFriday
High: 77 °F
Areas Fog
then Chance
ShowersFriday Night
Low: 61 °F
Mostly Cloudy
then Showers
LikelySaturday
High: 70 °F
Showers then
Chance
ShowersSaturday Night

Low: 41 °F
Partly Cloudy
Sunday

High: 63 °F
Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 57. Southeast wind around 5 mph. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 1pm. Patchy fog before 11am. High near 71. South southeast wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers after noon. Areas of fog before 7am. Otherwise, partly sunny, with a high near 77. South wind 7 to 17 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 70. South southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 63. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 46. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 55. South southwest wind 16 to 18 mph, with gusts as high as 29 mph.
Wednesday
Showers. Mostly cloudy, with a high near 63. Southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 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
3:51 am CST Mar 5, 2026
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026



