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

Hazardous Weather Conditions

Current conditions at

Galveston, Scholes Field (KGLS)

Lat: 29.27°NLon: 94.86°WElev: 7ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

San Leon TX

Flood Advisory May 20, 09:54am until May 20, 10:15am
Click here for hazard details and duration
...
  •  
    Flood Advisory May 20, 09:54am until May 20, 10:15am

    NOW until 10:15am Wed

    Flood Advisory

  • Today

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind 10 to 15 mph.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms. High near 84. South wind 10 to 15 mph. Chance of precipitation is 80%.

    High: 84 °F

    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.

    Low: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 78. Chance of precipitation is 90%.

    Low: 78 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 83. Southeast wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind 10 to 15 mph.
Friday
Showers and thunderstorms. High near 84. South wind 10 to 15 mph. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 78. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Memorial Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Leon TX
 29.48°N 94.92°W (Elev. 3 ft)
Last Update:
7:20 am CDT May 20, 2026
Forecast Valid:
9am CDT May 20, 2026-6pm CDT May 26, 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