Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

N/A

Humidity NA
Wind Speed S 6 mph
Barometer 30.13 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Dec 11:56 pm CST
Extended Forecast for

Nason IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 24. South southwest wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 43. South southwest wind 5 to 10 mph.

    High: 43 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Light and variable wind becoming north 5 to 10 mph in the evening.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light north northeast  in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Light southwest wind.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Calm wind becoming east around 5 mph after midnight.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. South southwest wind around 5 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 43. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Light and variable wind becoming north 5 to 10 mph in the evening.
Thursday
Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 17. Calm wind.
Friday
Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 24. Light southwest wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 25. Calm wind becoming east around 5 mph after midnight.
Sunday
A slight chance of showers after noon. Mostly cloudy, with a high near 39. East wind 5 to 8 mph becoming north in the afternoon.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 22. North wind around 6 mph.
Monday
Partly sunny, with a high near 36. North wind 5 to 7 mph becoming south in the afternoon.
Monday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 26. Light and variable wind becoming southwest around 6 mph after midnight.
Tuesday
A slight chance of showers. Partly sunny, with a high near 43. West southwest wind 6 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
12:16 am CST Dec 3, 2025
12am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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