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

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.29 in (1026.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 6 Apr 6:56 am CDT
Extended Forecast for

2 Miles W Nason IL

  • Today

    Today: Sunny, with a high near 65. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. North northeast wind 5 to 7 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. East northeast wind 8 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. East southeast wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72. South wind 6 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. South wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind around 7 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 65. Light and variable wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 41. North northeast wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 56. East northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 40. East southeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 72. South wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 53. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. South wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. South wind around 6 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind around 7 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming east in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. East southeast wind around 7 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. South southeast wind 5 to 7 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 8 to 14 mph, with gusts as high as 22 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:
5:31 am CDT Apr 6, 2026
Forecast Valid:
7am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
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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