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

Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

78°F

26°C

Humidity 82%
Wind Speed Calm
Barometer 30.02 in (1015.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 13 Aug 8:53 am CDT
Extended Forecast for

Lowry Crossing TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Tonight

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south southeast around 5 mph in the morning.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South wind around 5 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south southeast around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 97. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 97. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lowry Crossing TX
 33.14°N 96.54°W (Elev. 512 ft)
Last Update:
6:03 am CDT Aug 13, 2025
Forecast Valid:
9am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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