Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Mount Pleasant, Mount Pleasant Regional Airport (KOSA)

Lat: 33.1°NLon: 94.96°WElev: 364ft.

Fair

83°F

28°C

Humidity 64%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 11:10 pm CDT
Extended Forecast for

Omaha TX

Heat Advisory August 17, 11:39pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 11:39pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. Calm wind becoming south around 5 mph in the evening.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 111. Southwest wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Calm wind becoming southwest around 5 mph.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 110. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 79. Calm wind becoming south around 5 mph in the evening.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 111. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Omaha TX
 33.17°N 94.73°W (Elev. 390 ft)
6:30 pm CDT Aug 17, 2026
11pm CDT Aug 17, 2026-6pm CDT Aug 24, 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