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

Hazardous Weather Conditions

Current conditions at

Houston, Houston Hobby Airport (KHOU)

Lat: 29.64°NLon: 95.28°WElev: 46ft.

Partly Cloudy

98°F

37°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 29.96 in (1014.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 21 Aug 4:53 pm CDT
Extended Forecast for

Houston TX

Heat Advisory August 21, 05:15pm until August 22, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 05:15pm until August 22, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind around 5 mph becoming southeast in the afternoon.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Southwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99. Heat index values as high as 104. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 81. South wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 105. Southwest wind around 5 mph becoming southeast in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 81. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. Southwest wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 81.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 80.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 80.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Houston TX
 29.77°N 95.37°W (Elev. 43 ft)
Last Update:
2:46 pm CDT Aug 21, 2026
Forecast Valid:
5pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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