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

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 >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

88°F

31°C

Humidity 50%
Wind Speed S 10 mph
Barometer 30.07 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Aug 11:55 pm CDT
Extended Forecast for

Howe TXSimilar City Names

Heat Advisory August 16, 12:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 12:00am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Overnight

    Low: 79 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. South southwest wind around 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: 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. West southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Monday Night

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

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    High: 102 °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 102. Southwest wind around 10 mph.

    High: 102 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 79. South wind around 10 mph.
Sunday
Sunny and hot, with a high near 100. South southwest wind around 10 mph.
Sunday Night
Clear, with a low around 77. South wind around 5 mph.
Monday
Sunny and hot, with a high near 102. West southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 102. South 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 102. 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.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 100.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 99.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Howe TXSimilar City Names
 33.5°N 96.63°W (Elev. 814 ft)
Last Update:
11:51 pm CDT Aug 15, 2026
Forecast Valid:
12am CDT Aug 16, 2026-6pm CDT Aug 22, 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