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.

Thunderstorm Rain Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.92 in (1013.5 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 7 Mar 8:56 am CST
Extended Forecast for

4 Miles SW Whittington IL

  • Today

    Today: Showers and thunderstorms before 3pm, then a chance of showers between 3pm and 5pm. Temperature rising to near 68 by noon, then falling to around 58 during the remainder of the day. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    High: 68 °F⇓

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. West northwest wind 6 to 11 mph becoming light northwest after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the morning.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 65. South southwest wind 15 to 17 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind around 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then a chance of showers between 3pm and 5pm. Temperature rising to near 68 by noon, then falling to around 58 during the remainder of the day. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, with a low around 40. West northwest wind 6 to 11 mph becoming light northwest after midnight.
Sunday
Sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the morning.
Sunday Night
Clear, with a low around 46. South wind around 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 65. South southwest wind 15 to 17 mph, with gusts as high as 29 mph.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind around 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 36. Northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 50. Northwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 37. South wind 5 to 13 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 63. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Whittington IL
 38.07°N 88.93°W
Last Update:
9:21 am CST Mar 7, 2026
Forecast Valid:
9am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation