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

50°F

10°C

Humidity 95%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Apr 8:35 am CDT
Extended Forecast for

Mount Vernon TX

  • Today

    Today: Partly sunny, with a high near 73. Southeast wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 81.

    High: 81 °F

    Severe
    Thunderstorms

Detailed Forecast

Today
Partly sunny, with a high near 73. Southeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Mostly cloudy, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon TX
 33.17°N 95.22°W (Elev. 499 ft)
Last Update:
6:30 am CDT Apr 20, 2026
Forecast Valid:
8am CDT Apr 20, 2026-6pm CDT Apr 26, 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