Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

40°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Mar 12:56 am CDT
Extended Forecast for

Du Bois IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. South wind 3 to 6 mph.

    High: 72 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. South wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Southwest wind 6 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Southwest wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. South wind around 6 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. South wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 50. South wind 3 to 6 mph.
Friday
Sunny, with a high near 79. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 51. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Du Bois IL
 38.21°N 89.2°W (Elev. 499 ft)
10:21 pm CDT Mar 18, 2026
1am CDT Mar 19, 2026-6pm CDT Mar 25, 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