Webinar on Heavy Rainfall and Flooding Threat for This Week - September 30, 2026

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Hazardous Weather Conditions

Flood Watch until October 2, 07:00 PM CDT

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

81°F

27°C

Humidity	88%
Wind Speed	SE 13 G 20 mph
Barometer	29.79 in (1007.8 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	1 Oct 1:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Kyle TX

Flood Watch October 1, 02:35am until October 2, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch October 1, 02:35am until October 2, 07:00pm
NOW until 7:00pm Fri
Flood Watch
Overnight
Low: 75 °F
Chance
T-storms
Thursday
High: 89 °F
Showers then
T-storms
Thursday Night
Low: 70 °F
T-storms
Friday
High: 81 °F
Showers
Friday Night
Low: 66 °F
Chance
Showers
Saturday
High: 80 °F
Chance
Showers
Saturday Night
Low: 67 °F
Chance
Showers
Sunday
High: 81 °F
Chance
Showers

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. High near 89. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday

Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. North northeast wind 5 to 10 mph. Chance of precipitation is 80%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. North wind 5 to 10 mph.

Saturday

A 40 percent chance of showers. Cloudy, with a high near 80. North wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 67. North wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Sunday Night

Mostly cloudy, with a low around 66. North wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

Partly sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 85.