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.

Mostly Cloudy

73°F

23°C

Humidity 90%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 14 Jun 10:56 pm CDT
Extended Forecast for

Du Bois IL

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph.

    Low: 67 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. North wind around 6 mph.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 67. North wind around 6 mph.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. North wind around 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 69. Light south wind.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Du Bois IL
 38.21°N 89.2°W (Elev. 499 ft)
Last Update:
9:52 pm CDT Jun 14, 2025
Forecast Valid:
11pm CDT Jun 14, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation