Preview of NWS' New Point Forecast Icons
Effective July 7, 2015, NWS will implement changes to the icons depicted on all of its Point Forecast pages. Highlights will include new icons with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

You may preview these updates in real time for this location. View additional details, and send any comments to

Please note the preview site is not operational, so performance may be slow during periods of peak access.


Severe weather threat increases this afternoon across parts of the southern Plains

The threat of severe weather is increasing for this afternoon across a large portion of Oklahoma and Texas. The greatest threat is forecast for parts of central and northern Texas where Enhanced and Moderate Risks are in place. Very large hail, damaging winds and tornadoes, some possibly strong, are all possible. Those in this region are encouraged to remain weather-aware.

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Partly Cloudy



Humidity 62%
Wind Speed SE 13 mph
Barometer 29.63 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Heat Index 88°F (31°C)
Last update on 26 Apr 3:46 pm CDT

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89 Lon: -97.86 Elev: 597ft.

For More Weather Information:

Austin/San Antonio, TX Local Forecast Office

Caldwell County

Zone Forecast

Partly cloudy in the evening then becoming mostly cloudy. Chance of showers and thunderstorms early in the evening...then showers and thunderstorms likely. Some thunderstorms may be severe. Lows in the mid 60s. Southeast winds 10 to 15 mph shifting to the southwest after midnight. Chance of rain 70 percent.
Partly cloudy with chance of showers and thunderstorms in the morning...then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 40 percent.
Monday Night
Partly cloudy before midnight then becoming mostly cloudy. Lows around 60. North winds 10 to 15 mph.
Mostly cloudy in the morning then becoming partly cloudy. Cooler. Highs in the lower 70s. North winds 10 to 20 mph.
Tuesday Night
Partly cloudy. Cooler. Lows around 50. North winds 10 to 15 mph.
Mostly sunny. Highs in the upper 70s.
Wednesday Night Through Friday Night
Mostly clear. Lows 53 to 58. Highs in the upper 70s.
Saturday And Saturday Night
Partly cloudy. Highs around 80. Lows around 60.
Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the lower 80s.


Last Update: 156 PM CDT SUN APR 26 2015
  Forecast Discussion
  Get as KML   Get as XML


Link to Local Radar Data Link to Satellite Data