National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

47°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Apr 5:55 am CDT
Extended Forecast for

Mount Vernon TX

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southeast wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

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

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 78. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 55. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 79. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon TX
 33.15°N 95.22°W (Elev. 509 ft)
Last Update:
3:31 am CDT Apr 8, 2026
Forecast Valid:
6am CDT Apr 8, 2026-6pm CDT Apr 14, 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