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.

Fair

46°F

8°C

Humidity 50%
Wind Speed S 14 G 23 mph
Barometer 29.92 in (1013.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Mar 1:56 am CDT
Extended Forecast for

Du Bois IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 32 mph.

    High: 62 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Northwest wind around 6 mph becoming light and variable.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East wind 6 to 13 mph becoming south in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.

    High: 70 °F

    Breezy.
    Slight Chance
    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 25. Breezy. Chance of precipitation is 90%.

    Low: 25 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 31. Breezy.

    High: 31 °F

    Slight Chance
    Snow and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. Blustery.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Mostly clear, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 65. East wind 6 to 13 mph becoming south in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.
Sunday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 25. Breezy. Chance of precipitation is 90%.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 31. Breezy.
Monday Night
Mostly clear, with a low around 14. Blustery.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Du Bois IL
 38.21°N 89.2°W (Elev. 499 ft)
Last Update:
1:25 am CDT Mar 13, 2026
Forecast Valid:
2am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation