A Sweltering Heat Wave For The West

A sweltering heat wave with record breaking temperatures is expected the rest of the week in much of the West, as a large dome of high pressure builds and expands across the region. Numerous excessive heat warnings and advisories are already in effect across Arizona, California and Nevada. Also, locally heavy rain is possible in the Lower Mississippi Valley and Southeast over the next few days. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Fair

66°F

19°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 May 4:56 am CDT
Detailed forecast for

Hays County

Today
Cloudy with chance of showers and thunderstorms in the morning, then partly cloudy with a slight chance of showers and isolated thunderstorms in the afternoon. Highs around 80. Northwest winds 5 to 10 mph. Chance of rain 40 percent.
Tonight
Mostly clear. Lows in the lower 60s. Northwest winds 5 mph shifting to the southwest after midnight.
Wednesday
Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Highs in the upper 80s. South winds 5 to 10 mph.
Wednesday Night
Partly cloudy. A 20 percent chance of thunderstorms before midnight. Some thunderstorms may be severe. Lows in the mid 60s. South winds 5 mph.
Thursday
Partly cloudy. A 20 percent chance of showers and thunderstorms in the morning. Highs in the upper 80s. Southeast winds 5 mph.
Thursday Night And Friday
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the mid 60s.
Saturday
Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s.
Saturday Night
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s.
Sunday
Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s.
Sunday Night And Monday
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s.



Click Map For Forecast
355 AM CDT Tue May 26 2020
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database