Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

15°F

-9°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.54 in (1035.5 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Jan 6:56 am CST
Extended Forecast for

2 Miles W Nason IL

Cold Weather Advisory January 23, 06:00pm until January 24, 01:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  • Today

    Today: Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -5. North wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 15 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of snow after 3am.  Mostly cloudy, with a low around 6. Wind chill values as low as -10. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow showers.  High near 13. Wind chill values as low as -8. Northeast wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 13 °F

    Snow Showers
    Likely then
    Snow Showers

  • Saturday Night

    Saturday Night: Snow showers before midnight, then snow showers, possibly mixed with sleet.  Low around 11. Wind chill values as low as -1. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%.

    Low: 11 °F

    Snow Showers
    then
    Snow/Sleet

  • Sunday

    Sunday: Snow showers, mainly before noon.  High near 16. North wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 16 °F

    Snow Showers
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 0. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 0 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 16. West northwest wind 5 to 9 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. South southwest wind 3 to 8 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Southwest wind 5 to 8 mph.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -5. North wind 11 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 6. Wind chill values as low as -10. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Snow showers. High near 13. Wind chill values as low as -8. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow showers before midnight, then snow showers, possibly mixed with sleet. Low around 11. Wind chill values as low as -1. Northeast wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Sunday
Snow showers, mainly before noon. High near 16. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 0. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 16. West northwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 3. South southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 30. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 9. Light and variable wind.
Wednesday
Partly sunny, with a high near 24. Calm wind becoming northwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 3. West northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 18. West northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
3:16 am CST Jan 23, 2026
7am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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