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.

Light Rain

71°F

22°C

Humidity 84%
Wind Speed S 15 mph
Barometer 29.98 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Mar 11:55 pm CST
Extended Forecast for

Mount Vernon TX

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 10 mph.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 83. South wind 15 to 20 mph. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 61. South wind 10 to 15 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then showers and thunderstorms likely after noon. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 10 mph.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Increasing clouds, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 83. South wind 15 to 20 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 61. South wind 10 to 15 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before noon, then showers and thunderstorms likely after noon. High near 70. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Sunday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 58.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69.
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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:
11:20 pm CST Mar 4, 2026
Forecast Valid:
12am CST Mar 5, 2026-6pm CDT Mar 11, 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