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.

Mostly Cloudy

67°F

19°C

Humidity 63%
Wind Speed S 3 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 3 Mar 2:56 pm CST
Extended Forecast for

2 Miles SW Whittington IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm. Mostly cloudy, with a steady temperature around 63. Southwest wind 3 to 6 mph.

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 55. Southeast wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 70. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 58. South wind 6 to 8 mph. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 70. Southwest wind 6 to 11 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 59. South wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Partly sunny, with a high near 79. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 62. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 70. South southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 70 °F

    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Mostly cloudy, with a steady temperature around 63. Southwest wind 3 to 6 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 55. Southeast wind 3 to 5 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 70. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 58. South wind 6 to 8 mph. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm before noon, then showers likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 70. Southwest wind 6 to 11 mph. Chance of precipitation is 90%.
Thursday Night
A chance of showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 59. South wind 5 to 7 mph. Chance of precipitation is 50%.
Friday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Partly sunny, with a high near 79. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 62. South wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 70. South southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A slight chance of showers after midnight. Partly cloudy, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 50. Southwest wind around 6 mph.
Monday
A slight chance of showers. Sunny, with a high near 74. South southwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Whittington IL
 38.09°N 88.9°W
Last Update:
1:36 pm CST Mar 3, 2026
Forecast Valid:
3pm CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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