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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1015.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 7 Oct 1:56 am CDT
Extended Forecast for

2 Miles W Sesser IL

  • Overnight

    Overnight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light south southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Thursday

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

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southeast wind 3 to 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly sunny, with a high near 84. Light south wind becoming south southeast 6 to 11 mph in the morning.

    High: 84 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 6 to 8 mph becoming east northeast after midnight.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 88. Light south southwest wind becoming west southwest 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 56. Light and variable wind.
Thursday
Sunny, with a high near 85. Light and variable wind.
Thursday Night
Clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming south southeast 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 59. South southeast wind 3 to 5 mph.
Saturday
A slight chance of showers after 1pm. Mostly sunny, with a high near 84. Light south wind becoming south southeast 6 to 11 mph in the morning.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 6 to 8 mph becoming east northeast after midnight.
Sunday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 78. East northeast wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. South wind 3 to 5 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Southwest wind 6 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Sesser IL
 38.1°N 89.1°W
Last Update:
1:26 am CDT Oct 7, 2026
Forecast Valid:
2am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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