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.

A Few Clouds

80°F

27°C

Humidity 39%
Wind Speed NE 8 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 2:56 pm CDT
Extended Forecast for

2 Miles SW Opdyke IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 83. Northeast wind around 8 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 84. East northeast wind 3 to 6 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West northwest wind around 6 mph.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Northwest wind 7 to 11 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 83. Northeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 84. East northeast wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Calm wind.
Wednesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 73. Northwest wind 7 to 11 mph.
Thursday Night
Mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 51. Northwest wind around 6 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 83. West wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Opdyke IL
 38.26°N 88.8°W
Last Update:
1:01 pm CDT Aug 31, 2025
Forecast Valid:
3pm CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
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Additional Resources

Radar & Satellite Image

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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