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Hazardous Weather Conditions

Current conditions at

Houston Intercontinental Airport (KIAH)

Lat: 29.98°NLon: 95.36°WElev: 89ft.

Partly Cloudy

82°F

28°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 80°F (27°C)
Visibility 7.00 mi
Heat Index93°F (34°C)
Last update 19 Jun 1:53 am CDT
Extended Forecast for

Houston Intercontinental Airport TX

Heat Advisory June 19, 02:37am until June 20, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 19, 02:37am until June 20, 10:00pm

    NOW until 10:00pm Sat

    Heat Advisory

  • Overnight

    Low: 81 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 109. South wind 5 to 10 mph.

    High: 93 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 80. Southeast wind 5 to 10 mph.

    Low: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 105. Southeast wind 5 to 10 mph.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 81. South wind around 5 mph.
Juneteenth
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 109. South wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 80. Southeast wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 105. Southeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 79.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Mostly sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Houston Intercontinental Airport TX
 30°N 95.34°W (Elev. 92 ft)
Last Update:
1:21 am CDT Jun 19, 2026
Forecast Valid:
2am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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