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.

Overcast

77°F

25°C

Humidity 65%
Wind Speed S 14 mph
Barometer 30.01 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 1 Apr 12:35 pm CDT
Extended Forecast for

Mount Vernon TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. South wind around 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 66. South wind 15 to 20 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 65. South wind 10 to 15 mph.

    Low: 65 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 66. South wind 15 to 20 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday Night
Mostly cloudy, with a low around 65. South wind 10 to 15 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 70. Chance of precipitation is 90%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 73.
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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:
12:20 pm CDT Apr 1, 2026
Forecast Valid:
12pm CDT Apr 1, 2026-6pm CDT Apr 7, 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