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

Hazardous Weather Conditions

Current conditions at

Houston, Hooks Memorial Airport (KDWH)

Lat: 30.07°NLon: 95.56°WElev: 151ft.

Fair

95°F

35°C

Humidity 46%
Wind Speed NA
Barometer 30.00 in (1015.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 19 Aug 1:53 pm CDT
Extended Forecast for

Magnolia TX

Heat Advisory August 20, 12:00pm until August 21, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 98. Heat index values as high as 104. South wind around 10 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind around 5 mph.

    High: 99 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 99. Southwest wind around 5 mph.

    High: 99 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 104. South wind around 10 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 76. South wind 5 to 10 mph.
Thursday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind around 5 mph.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 77. South wind 5 to 10 mph.
Friday
Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 99. Southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Magnolia TX
 30.2°N 95.76°W (Elev. 249 ft)
Last Update:
1:21 pm CDT Aug 19, 2026
Forecast Valid:
2pm CDT Aug 19, 2026-6pm CDT Aug 25, 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