National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fog/Mist

46°F

8°C

Humidity 99%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 46°F (8°C)
Visibility 0.75 mi
Last update 7 Dec 8:15 am CST
Extended Forecast for

5 Miles SW Mount Vernon TX

Dense Fog Advisory until December 7, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 7, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 55 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. South wind 5 to 10 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 5 to 15 mph.
Tonight
Mostly clear, with a low around 32. North wind 5 to 10 mph.
Monday
Sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.
Tuesday
Sunny, with a high near 59. South wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon TX
 33.11°N 95.27°W (Elev. 499 ft)
Last Update:
5:20 am CST Dec 7, 2025
Forecast Valid:
8am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation