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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

67°F

19°C

Humidity 91%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 12:56 am CDT
Extended Forecast for

5 Miles NW Keenes IL

Flood Watch June 21, 01:00pm until June 22, 07:00am
Lake Wind Advisory June 21, 12:00pm until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch
Lake Wind Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 87. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    High: 87 °F

    Partly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 5am, then showers likely. Low around 66. South southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 66 °F

    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 77. Northwest wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. Light and variable wind.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 87. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms before 5am, then showers likely. Low around 66. South southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday
Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 77. Northwest wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Calm wind.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 63. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Light south southeast wind becoming south 5 to 9 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Keenes IL
 38.39°N 88.71°W
Last Update:
1:26 am CDT Jun 21, 2026
Forecast Valid:
1am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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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