Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

83°F

28°C

Humidity 70%
Wind Speed SW 10 G 21 mph
Barometer 29.71 in (1006.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 6:56 pm CDT
Extended Forecast for

3 Miles SSE Ewing IL

Flood Watch until June 22, 07:00am
Tornado Watch June 21, 07:05pm until June 21, 09:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch until June 22, 07:00am
    Tornado Watch June 21, 07:05pm until June 21, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 68 °F

    Heavy Rain
    then T-storms
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Mostly cloudy, with a high near 79. North northwest wind 9 to 11 mph.

    High: 79 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. East northeast wind 3 to 5 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Mostly cloudy, with a low around 68. Light and variable wind.  Chance of precipitation is 30%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 68. South southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, with a high near 79. North northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. East northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 63. Light north wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light west northwest wind.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light south southwest wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 6 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Breezy, with a south southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Ewing IL
 38.04°N 88.85°W
5:46 pm CDT Jun 21, 2026
7pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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Additional Resources

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