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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

42°F

6°C

Humidity 34%
Wind Speed S 5 mph
Barometer 30.37 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 17 Mar 10:15 am CDT
Extended Forecast for

5 Miles SW Mount Vernon TX

  • Today

    Today: Mostly sunny, with a high near 60. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 82. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Mount Vernon TX
 33.11°N 95.27°W (Elev. 499 ft)
Last Update:
9:13 am CDT Mar 17, 2026
Forecast Valid:
10am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation