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.

Overcast

N/A

Humidity NA
Wind Speed SE 5 mph
Barometer 29.88 in
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Nov 12:56 pm CST
Extended Forecast for

Du Bois IL

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 3pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 58. Southeast wind 3 to 5 mph.

    High: 58 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 9pm. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 45. Calm wind becoming north 5 to 8 mph in the evening.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog then
    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 58. North wind 5 to 8 mph.

    High: 58 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Southwest wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Rain likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Slight Chance
    Rain then
    Rain Likely

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 3pm. Patchy fog before 3pm. Otherwise, cloudy, with a high near 58. Southeast wind 3 to 5 mph.
Tonight
A 30 percent chance of rain, mainly before 9pm. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 45. Calm wind becoming north 5 to 8 mph in the evening.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 58. North wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 37. Southwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 62. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Rain likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 51. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 27.
Thanksgiving Day
Mostly sunny, with a high near 45.
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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:
11:11 am CST Nov 21, 2025
Forecast Valid:
2pm CST Nov 21, 2025-6pm CST Nov 27, 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