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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.15 in (1021.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 25 Mar 2:56 am CDT
Extended Forecast for

4 Miles SW Ina IL

  • Overnight

    Overnight: Partly cloudy, with a low around 43. Light southeast wind.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Light and variable wind becoming south southwest 6 to 11 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 1am and 2am. Mostly clear, with a low around 61. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 78. South southwest wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 43. South southwest wind 14 to 18 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 50. North wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 54. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 54 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Southeast wind 3 to 6 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 43. Light southeast wind.
Wednesday
Mostly sunny, with a high near 67. Light and variable wind becoming south southwest 6 to 11 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms between 1am and 2am. Mostly clear, with a low around 61. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 78. South southwest wind 14 to 17 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 43. South southwest wind 14 to 18 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 50. North wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 34. North wind 6 to 13 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 54. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 40. Southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 61. South wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 53. South wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 73. South southwest wind 13 to 15 mph, with gusts as high as 21 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 61. South wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. South southwest wind around 15 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Ina IL
 38.11°N 88.95°W
Last Update:
1:26 am CDT Mar 25, 2026
Forecast Valid:
3am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation