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

Houston Intercontinental Airport (KIAH)

Lat: 29.98°NLon: 95.36°WElev: 89ft.

Partly Cloudy

92°F

33°C

Humidity 58%
Wind Speed S 6 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 6 Aug 11:53 am CDT
Extended Forecast for

Spring Valley TX

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 97. Heat index values as high as 107. Southeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 95. Heat index values as high as 104. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    High: 95 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 97. Heat index values as high as 107. Southeast wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 95. Heat index values as high as 104. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light south after midnight.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Valley TX
 29.79°N 95.5°W (Elev. 72 ft)
Last Update:
11:11 am CDT Aug 6, 2026
Forecast Valid:
12pm CDT Aug 6, 2026-6pm CDT Aug 12, 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