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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

60°F

16°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 4:56 am CDT
Extended Forecast for

2 Miles W Nason IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 81. South southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. West southwest wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 40. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. North northwest wind around 6 mph becoming southeast after midnight.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South wind around 8 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 81. South southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 55. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. West southwest wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 40. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 65. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 42. North northwest wind around 6 mph becoming southeast after midnight.
Monday
Sunny, with a high near 70. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 50. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 77. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54. South southwest wind around 8 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Southwest wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
Last Update:
3:31 am CDT Apr 16, 2026
Forecast Valid:
5am CDT Apr 16, 2026-6pm CDT Apr 22, 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