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.

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Severe Thunderstorms and Flash Flooding Possible

Severe weather will be possible through Monday across the northern and central Plains. Large hail, damaging winds and heavy rain are the main threats. An isolated tornado cannot be ruled out. Across the southern Plains, heavy rainfall could lead to isolated flash flooding with 3 to 4 inches of rainfall possible by Tuesday afternoon.
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Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

77°F

25°C

Humidity 83%
Wind Speed S 9 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 4.00 mi
Heat Index78°F (26°C)
Last update 6 Jul 7:48 am CDT

Detailed Forecast

Today
Mostly cloudy then becoming partly cloudy late in the morning then becoming mostly sunny. Highs in the lower 90s. South winds 10 to 20 mph.
Tonight
Partly cloudy before midnight then becoming mostly cloudy. Lows in the mid 70s. South winds 10 to 20 mph.
Tuesday
Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 90s. South winds 15 to 20 mph.
Tuesday Night
Partly cloudy before midnight then becoming mostly cloudy. Lows in the mid 70s. South winds 10 to 15 mph. Gusts up to 25 mph before midnight.
Wednesday
Partly cloudy in the morning then becoming mostly sunny. Highs in the lower 90s. South winds 10 to 20 mph.
Wednesday Night Through Sunday
Partly cloudy. Lows in the mid 70s. Highs in the lower 90s.
  Click Map For Detailed Forecast
316 AM CDT MON JUL 6 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database