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.

Mostly Cloudy

72°F

22°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Oct 10:56 pm CDT
Extended Forecast for

Whittington IL

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 49. Northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, with a high near 59. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 28 mph.

    High: 59 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North wind 13 to 18 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 61. North northeast wind 7 to 10 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the morning.

    High: 68 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 49. Northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday
Mostly cloudy, with a high near 59. Breezy, with a northwest wind 17 to 23 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North wind 13 to 18 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 61. North northeast wind 7 to 10 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 39. Calm wind.
Monday
Sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 76. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
Sunny, with a high near 79. Light east wind.
Wednesday Night
Clear, with a low around 47. Calm wind.
Thursday
Sunny, with a high near 81. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whittington IL
 38.11°N 88.87°W
Last Update:
11:31 pm CDT Oct 15, 2026
Forecast Valid:
11pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
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Additional Resources

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Chance of Precipitation