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.

Fair

87°F

31°C

Humidity 55%
Wind Speed S 6 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 20 Jun 12:56 pm CDT
Extended Forecast for

4 Miles NNW Macedonia IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. South wind 6 to 9 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 106. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 6 to 10 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South wind 3 to 7 mph.

    Low: 76 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 3 to 7 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. South wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 74. South wind around 7 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 106. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 95. South southwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 76. South wind 3 to 7 mph.
Monday
Sunny, with a high near 94. South southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Light south wind.
Wednesday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Macedonia IL
 38.11°N 88.73°W
Last Update:
1:46 pm CDT Jun 20, 2025
Forecast Valid:
1pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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