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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

80°F

27°C

Humidity 73%
Wind Speed W 3 mph
Barometer 30.02 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Sep 9:35 am CDT
Extended Forecast for

3 Miles SSE Pittsburg TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Southeast wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 67. Southeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg TX
 32.95°N 94.95°W (Elev. 377 ft)
Last Update:
6:20 am CDT Sep 18, 2025
Forecast Valid:
9am CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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