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

68°F

20°C

Humidity 80%
Wind Speed SE 8 mph
Barometer 30.04 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Mar 10:55 pm CST
Extended Forecast for

Mount Vernon TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 63. South wind around 10 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. South wind 10 to 15 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 63. South wind around 10 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 10 to 15 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 63. South wind 10 to 15 mph.
Friday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 80.
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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:
10:56 pm CST Mar 3, 2026
Forecast Valid:
11pm CST Mar 3, 2026-6pm CDT Mar 10, 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