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

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

N/A

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

5 Miles NNE Prairie Lea TX

Flood Watch June 19, 07:00am until June 20, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 79. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Heavy Rain

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. East wind 5 to 10 mph.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming light in the evening.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Heat index values as high as 102. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Juneteenth
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 79. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 72. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. East wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming light in the evening.
Saturday
Mostly sunny, with a high near 91. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Prairie Lea TX
 29.77°N 97.67°W (Elev. 404 ft)
Last Update:
8:20 am CDT Jun 18, 2024
Forecast Valid:
9am CDT Jun 18, 2024-6pm CDT Jun 24, 2024
 
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