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

82°F

28°C

Humidity 38%
Wind Speed Vrbl 7 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 19 Jun 1:56 pm CDT
Extended Forecast for

2 Miles SW Sesser IL

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. Light north northwest wind.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Light west southwest wind.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 68. Calm wind.

    Low: 68 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 85. Light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 69. South southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 69 °F

    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. Northwest wind 10 to 13 mph.

    High: 81 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North wind 5 to 9 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light north northeast wind.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 84. Light north northwest wind.
Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 87. Light west southwest wind.
Saturday Night
Increasing clouds, with a low around 68. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 85. Light and variable wind becoming south southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 69. South southwest wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. Northwest wind 10 to 13 mph.
Monday Night
Partly cloudy, with a low around 63. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming west around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Sesser IL
 38.07°N 89.07°W
Last Update:
1:26 pm CDT Jun 19, 2026
Forecast Valid:
2pm CDT Jun 19, 2026-6pm CDT Jun 25, 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