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.

Partly Cloudy

96°F

36°C

Humidity 41%
Wind Speed S 8 mph
Barometer 30.07 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 9 Sep 2:10 pm CDT
Extended Forecast for

Pittsburg TX

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

    NOW until 7:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly clear, with a low around 74. South wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 103. 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 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • 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

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 103. 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 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, 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 98.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg TX
 32.99°N 94.95°W (Elev. 331 ft)
1:35 pm CDT Sep 9, 2026
2pm CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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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