Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 9 Sep 3:30 am CDT
Extended Forecast for

Pittsburg TX

Heat Advisory September 9, 10:00am until September 9, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming south around 5 mph in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming southwest around 5 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 75. Calm wind.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 104. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 102. Calm wind becoming southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg TX
 32.99°N 94.97°W (Elev. 361 ft)
3:05 am CDT Sep 9, 2026
3am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database