Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

94°F

34°C

Humidity 41%
Wind Speed S 6 mph
Barometer 30.06 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 31 Aug 11:50 am CDT
Extended Forecast for

Pittsburg TX

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming southeast around 5 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 95 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

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

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming southeast around 5 mph.
Tonight
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Light southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 74.
Thursday
Mostly sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 75.
Sunday
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)
12:05 pm CDT Aug 31, 2026
12pm CDT Aug 31, 2026-6pm CDT Sep 6, 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