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

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

64°F

18°C

Humidity 32%
Wind Speed S 6 mph
Barometer 29.91 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 Jan 5:55 pm CST
Extended Forecast for

Mount Vernon TX

  • Tonight

    Tonight: Cloudy, then gradual clearing toward daybreak, with a low around 55. South wind 10 to 15 mph.

    Low: 55 °F

    Clearing Late

  • Friday

    Friday: Sunny, with a high near 74. South wind 5 to 15 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. North wind 5 to 10 mph.

    High: 64 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North wind around 5 mph becoming calm after midnight.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradual clearing toward daybreak, with a low around 55. South wind 10 to 15 mph.
Friday
Sunny, with a high near 74. South wind 5 to 15 mph becoming northwest in the afternoon.
Friday Night
Increasing clouds, with a low around 47. North wind around 5 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 39. North wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon TX
 33.15°N 95.22°W (Elev. 509 ft)
Last Update:
5:20 pm CST Jan 1, 2026
Forecast Valid:
6pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation