Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1016.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 18 Aug 1:56 am CDT
Extended Forecast for

2 Miles WSW Ewing IL

Heat Advisory August 18, 02:19am until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 02:19am until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Southeast wind around 6 mph becoming calm  in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 74. Light north northwest wind.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. Light north wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North northeast wind 6 to 9 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. North northeast wind 6 to 10 mph.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 97. Southeast wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light north northwest wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light north wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 67. North northeast wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 67. North northeast wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Calm wind becoming north northeast around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 91. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light north wind becoming north northwest 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Ewing IL
 38.07°N 88.9°W
1:45 am CDT Aug 18, 2025
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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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