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

Areas of Heavy to Excessive Rainfall and Hot Temperatures This Week

Heavy to excessive rainfall could bring areas of flooding at times Monday through Thursday across parts of the central Plains into the Midwest as well as southern Arizona and New Mexico. Hot temperatures and high humidity will continue across much of east Texas into the lower and mid-Mississippi Valley through at least midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Sep 2:50 am CDT
Extended Forecast for

Pittsburg TX

Heat Advisory September 14, 03:15am until September 15, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 14, 03:15am until September 15, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 103. Light south wind increasing to 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 103. South wind around 5 mph.

    High: 99 °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: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

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

    High: 97 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Calm wind.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 103. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 103. South wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg TX
 32.99°N 94.97°W (Elev. 361 ft)
Last Update:
1:25 am CDT Sep 14, 2026
Forecast Valid:
3am CDT Sep 14, 2026-6pm CDT Sep 20, 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