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.

Mostly Cloudy

51°F

11°C

Humidity 66%
Wind Speed S 9 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 1 Nov 1:56 pm CDT
Extended Forecast for

2 Miles NNW Nason IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 52. Southwest wind around 7 mph.

    High: 52 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north around 6 mph in the morning.

    High: 56 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Light southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. South southwest wind 7 to 9 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 8 to 11 mph becoming northwest in the afternoon.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 52. Southwest wind around 7 mph.
Tonight
A 20 percent chance of showers before 8pm. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 33. Calm wind.
Sunday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north around 6 mph in the morning.
Sunday Night
Clear, with a low around 34. Calm wind.
Monday
Sunny, with a high near 63. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light south southeast wind becoming south 6 to 11 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 47. South southwest wind 7 to 9 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 8 to 11 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 51. South southeast wind 8 to 10 mph.
Friday
A chance of showers. Mostly sunny, with a high near 70. South southwest wind 10 to 14 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Nason IL
 38.2°N 88.98°W
Last Update:
2:16 pm CDT Nov 1, 2025
Forecast Valid:
2pm CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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