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Tropical Storm Watches for the Northern Mariana Islands; Severe Thunderstorms in the Northern Plains

Tropical Storm Watches have been issued for Agrihan, Pagan and Alamagan in the Northern Mariana Islands, as Tropical Depression 16W moves towards the islands and strengthens. Heavy rain and gusty winds are expected through Saturday. Severe thunderstorms and heavy rain are expected across the Northern Plains this afternoon into tonight. A few tornadoes, large hail, and severe winds are expected. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Partly Cloudy

96°F

36°C

Humidity 46%
Wind Speed S 13 G 21 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 7 Aug 3:53 pm CDT
Extended Forecast for

Van Alstyne TX

Heat Advisory until August 8, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 8, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 107. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 97. Heat index values as high as 106. South wind around 10 mph.
Tonight
Clear, with a low around 76. South wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 107. South southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 97. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 95. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 94. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Van Alstyne TX
 33.42°N 96.57°W (Elev. 761 ft)
Last Update:
12:24 pm CDT Aug 7, 2025
Forecast Valid:
4pm CDT Aug 7, 2025-6pm CDT Aug 14, 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