Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

83°F

28°C

Humidity 61%
Wind Speed S 7 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Aug 7:53 am CDT
Extended Forecast for

Van Alstyne TX

Heat Advisory August 16, 08:21am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 08:21am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Monday Night

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

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Southwest wind around 10 mph.

    High: 101 °F

    Hot

  • Wednesday Night

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

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 105. South southwest wind around 10 mph.
Tonight
Clear, with a low around 77. South wind around 5 mph.
Monday
Sunny and hot, with a high near 102. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. South southeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 79. South wind around 10 mph.
Wednesday
Sunny and hot, with a high near 101. Southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind around 10 mph.
Thursday
Sunny and hot, with a high near 101. Southwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 99.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Van Alstyne TX
 33.42°N 96.57°W (Elev. 761 ft)
6:12 am CDT Aug 16, 2026
8am CDT Aug 16, 2026-6pm CDT Aug 22, 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