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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mount Vernon TX

  • Tonight

    Tonight: Clear, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 91. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly clear, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 66. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Increasing clouds, with a high near 91. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 65. South wind 5 to 10 mph.
Columbus Day
Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 76.
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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:
1:53 pm CDT Oct 10, 2026
Forecast Valid:
5pm CDT Oct 10, 2026-6pm CDT Oct 17, 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