Fire Weather Concerns in the Southern Plains and Southeast; Thunderstorms in the Southeast and Mid-Atlantic

Elevated to locally critical fire weather conditions will continue across portions of the Southern Plains and Southeast today due to gusty winds and low humidity. Widely scattered strong to severe storms may impact southern Texas through the Southeast and the central Appalachians and southern Mid-Atlantic. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

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

Overcast with Haze

80°F

27°C

Humidity 82%
Wind Speed E 6 mph
Barometer 29.89 in (1011.4 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Heat Index85°F (29°C)
Last update 29 Apr 12:56 pm CDT
Detailed forecast for

Hays County

Today
Cloudy with a chance of thunderstorms. A chance of showers. Highs in the lower 80s. Southeast winds around 5 mph, becoming northeast this afternoon. Chance of rain 50 percent.
Tonight
Cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
Thursday
Cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.
Thursday Night
A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows around 60. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.
Friday
Showers with a chance of thunderstorms. Cooler. Near steady temperature in the lower 60s. Temperature falling into the lower 60s in the afternoon. Northeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
Friday Night
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Chance of rain 30 percent.
Saturday And Saturday Night
Partly cloudy. Highs in the upper 60s. Lows in the upper 40s.
Sunday And Sunday Night
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Monday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Monday Night And Tuesday
Mostly cloudy. Lows in the lower 60s. Highs in the upper 80s.



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348 AM CDT Wed Apr 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database