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

Hazardous Weather Conditions

Current conditions at

Houston Intercontinental Airport (KIAH)

Lat: 29.98°NLon: 95.36°WElev: 89ft.

Mostly Cloudy

91°F

33°C

Humidity 50%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 23 Aug 11:53 am CDT
Extended Forecast for

Houston Intercontinental Airport TX

Heat Advisory August 23, 12:06pm until August 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 23, 12:06pm until August 24, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 103 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Heat index values as high as 107. Southwest wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 101. Southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Wednesday Night

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

    Low: 81 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 109. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 101. Heat index values as high as 107. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny and hot, with a high near 101. Southwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
Mostly sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 80.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Houston Intercontinental Airport TX
 29.98°N 95.34°W (Elev. 92 ft)
Last Update:
11:26 am CDT Aug 23, 2026
Forecast Valid:
12pm CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation