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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

70°F

21°C

Humidity 82%
Wind Speed SE 3 mph
Barometer 29.93 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 3:10 am CDT
Extended Forecast for

5 Miles S Mount Pleasant TX

  • Overnight

    Overnight: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 72. West wind 5 to 10 mph becoming light and variable after midnight.

    Low: 72 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 98 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 71. South wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 72. West wind 5 to 10 mph becoming light and variable after midnight.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Tuesday
Mostly sunny and hot, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Mount Pleasant TX
 33.11°N 94.97°W (Elev. 361 ft)
Last Update:
1:26 am CDT Sep 20, 2026
Forecast Valid:
3am CDT Sep 20, 2026-6pm CDT Sep 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