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Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89° N Lon: 97.86° W Elev: 597 ft.

Fair

91°F

33°C

Humidity 49%
Wind Speed SE 15 G 22 mph
Barometer 29.54 in
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Heat Index96°F (36°C)
Last update 28 Apr 5:46 pm CDT
Detailed forecast for

Hays County

Tonight
Partly cloudy before midnight, then cloudy with a 20 percent chance of showers after midnight. Lows in the mid 70s. Southeast winds 10 to 15 mph.
Saturday
Mostly cloudy. Chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 30 percent.
Saturday Night
Cooler. Cloudy with showers and thunderstorms likely. Some thunderstorms may be severe. Lows in the mid 50s. Southeast winds 10 to 15 mph shifting to the northwest after midnight. Chance of rain 70 percent.
Sunday
Breezy, cooler. Partly cloudy in the morning then clearing. Highs in the mid 70s. Northwest winds 15 to 25 mph.
Sunday Night
Clear. Lows around 50. Northwest winds 5 mph shifting to the southwest after midnight.
Monday And Monday Night
Clear. Highs in the mid 80s. Lows around 60.
Tuesday
Mostly sunny. Highs in the mid 80s.
Tuesday Night
Partly cloudy before midnight then becoming mostly cloudy. A 20 percent chance of showers. Lows in the upper 60s.
Wednesday
Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs in the lower 80s.
Wednesday Night
Cooler. Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the upper 50s.
Thursday
Partly cloudy in the morning then becoming mostly sunny. Highs in the mid 70s.
Thursday Night And Friday
Clear. Lows in the lower 50s. Highs around 80.



Click Map For Forecast
247 PM CDT Fri Apr 28 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database