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.

Partly Cloudy

102°F

39°C

Humidity 29%
Wind Speed S 7 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 22 Aug 5:53 pm CDT
Extended Forecast for

4 Miles N Spring Valley TX

Heat Advisory August 22, 06:25pm until August 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 22, 06:25pm until August 23, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Tonight

    Low: 81 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Heat index values as high as 107. West wind around 5 mph becoming south in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. South wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 80.

    Low: 80 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 81. South wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 103. Heat index values as high as 107. West wind around 5 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 80. South wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Tuesday
Mostly sunny and hot, with a high near 101.
Tuesday Night
Clear, with a low around 80.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, 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
A 20 percent chance of showers. Mostly clear, with a low around 79.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Spring Valley TX
 29.84°N 95.5°W (Elev. 82 ft)
Last Update:
3:06 pm CDT Aug 22, 2026
Forecast Valid:
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 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