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

Nacogdoches, A L Mangham Jr. Regional Airport (KOCH)

Lat: 31.58°NLon: 94.72°WElev: 354ft.

Fair

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 30.17 in (1021.5 mb)
Dewpoint 73°F (23°C)
Visibility NA
Last update 16 Aug 6:56 am CDT
Extended Forecast for

Martinsville TX

Heat Advisory August 16, 07:24am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 16, 07:24am until August 18, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 101 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Clear, with a low around 75. South wind around 5 mph.
Monday
Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 75.
Saturday
Mostly sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Martinsville TX
 31.63°N 94.41°W (Elev. 246 ft)
Last Update:
6:30 am CDT Aug 16, 2026
Forecast Valid:
7am 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