National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

55°F

13°C

Humidity 90%
Wind Speed N 3 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 8 Oct 2:56 am CDT
Extended Forecast for

4 Miles ESE Mount Vernon IL

  • Overnight

    Overnight: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Light east wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south southeast 5 to 9 mph in the morning.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Southeast wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83. Light south southeast wind becoming east southeast 6 to 11 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 1am. Low around 57. East wind 11 to 14 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 75. East northeast wind 10 to 13 mph becoming northwest in the afternoon.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 85. Light east wind.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southeast 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 58. Southeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83. Light south southeast wind becoming east southeast 6 to 11 mph in the morning.
Saturday Night
Showers, with thunderstorms also possible after 1am. Low around 57. East wind 11 to 14 mph. Chance of precipitation is 80%.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 75. East northeast wind 10 to 13 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 56. Calm wind.
Columbus Day
Sunny, with a high near 87. Light southwest wind becoming south southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. West southwest wind 7 to 9 mph.
Tuesday
A slight chance of showers. Sunny, with a high near 80. Northwest wind 10 to 14 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 51. North northwest wind 5 to 9 mph becoming light north northeast after midnight.
Wednesday
Sunny, with a high near 75. Light and variable wind becoming east 5 to 8 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Mount Vernon IL
 38.29°N 88.86°W
Last Update:
2:05 am CDT Oct 8, 2026
Forecast Valid:
3am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation