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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Arlington Municipal Airport (KGKY)

Lat: 32.66°NLon: 97.1°WElev: 587ft.

Fair

80°F

27°C

Humidity 58%
Wind Speed Calm
Barometer 30.05 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 6:53 am CDT
Extended Forecast for

Mansfield TX

Heat Advisory August 18, 07:48am until August 18, 12:00pm
Extreme Heat Warning August 18, 12:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 18, 07:48am until August 18, 12:00pm

    NOW until 12:00pm Tue

    Heat Advisory

  • Today

    High: 106 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Wednesday Night

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

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103. South southwest wind around 5 mph becoming east southeast in the afternoon.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southwest wind around 5 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 106. South southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 80. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Thursday
Sunny and hot, with a high near 104. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 79. South wind around 5 mph.
Friday
Sunny and hot, with a high near 103. South southwest wind around 5 mph becoming east southeast in the afternoon.
Friday Night
Mostly clear, with a low around 78. South southwest wind around 5 mph.
Saturday
Sunny and hot, with a high near 104. South southwest wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 104.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mansfield TX
 32.57°N 97.12°W (Elev. 594 ft)
Last Update:
6:12 am CDT Aug 18, 2026
Forecast Valid:
7am CDT Aug 18, 2026-6pm CDT Aug 24, 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