Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

58°F

14°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 5 Mar 4:56 am CST
Extended Forecast for

2 Miles W Nason IL

Flood Watch until March 5, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 5, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Overnight

    Low: 57 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 1pm.  Patchy fog before 11am. High near 71. South southeast wind 6 to 10 mph becoming west northwest in the afternoon.  Chance of precipitation is 90%.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers.  Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers after noon.  Areas of fog before 7am.  Otherwise, partly sunny, with a high near 77. South wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Areas Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 70. South southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming west southwest around 5 mph.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 57. Southeast wind around 5 mph. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 1pm. Patchy fog before 11am. High near 71. South southeast wind 6 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers after noon. Areas of fog before 7am. Otherwise, partly sunny, with a high near 77. South wind 7 to 17 mph, with gusts as high as 25 mph.
Friday Night
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 70. South southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 63. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 46. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. South southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 55. South southwest wind 16 to 18 mph, with gusts as high as 29 mph.
Wednesday
Showers. Mostly cloudy, with a high near 63. Southwest wind 15 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
3:51 am CST Mar 5, 2026
5am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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