National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.6 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Last update 28 Jun 5:56 am CDT
Extended Forecast for

5 Miles NE Texico IL

Heat Advisory June 28, 12:00pm until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 7am. Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south around 6 mph in the morning.

    High: 90 °F

    Chance
    T-storms and
    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 105. Light south wind increasing to 5 to 9 mph in the morning.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming south around 6 mph in the morning.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 7am. Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south around 6 mph in the morning.
Tonight
Mostly clear, with a low around 74. South wind 3 to 5 mph.
Monday
Sunny, with a high near 92. Heat index values as high as 105. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 74. South wind 3 to 7 mph.
Tuesday
Sunny, with a high near 94. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 74.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Texico IL
 38.49°N 88.82°W (Elev. 505 ft)
Last Update:
6:21 am CDT Jun 28, 2026
Forecast Valid:
6am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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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