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

58°F

14°C

Humidity 52%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 27 Feb 9:35 pm CST
Extended Forecast for

Mount Vernon TX

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 5 to 15 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Southeast wind around 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.
Saturday
Sunny, with a high near 80. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 57. Southeast wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 80. South wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 56. Southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly cloudy, with a high near 80.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon TX
 33.15°N 95.22°W (Elev. 509 ft)
Last Update:
5:20 pm CST Feb 27, 2026
Forecast Valid:
9pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
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