National Weather Service

News Headlines

Click Here for our 2026 Severe Weather and Flood Training Schedule

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

47°F

8°C

Humidity	24%
Wind Speed	N 16 mph
Barometer	30.38 in (1027.8 mb)
Dewpoint	12°F (-11°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	16 Mar 10:51 am CDT

More Information:

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

Extended Forecast for

3 Miles NNW Leon Valley TX

Red Flag Warning March 16, 11:27am until March 16, 08:00pm

Click here for hazard details and duration

Red Flag Warning

Red Flag Warning March 16, 11:27am until March 16, 08:00pm
NOW until 8:00pm Mon
Red Flag Warning
Today
High: 58 °F
Mostly Sunny
Tonight
Low: 36 °F
Gradual
Clearing
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 55 °F
Clear

Detailed Forecast

Today

Mostly sunny, with a high near 58. North wind 10 to 15 mph, with gusts as high as 25 mph.

Tonight

Cloudy during the early evening, then gradual clearing, with a low around 36. North northeast wind 5 to 10 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 66. Light east southeast wind becoming south 5 to 10 mph in the morning.

Tuesday Night

Mostly clear, with a low around 45. South wind 5 to 10 mph.

Wednesday

Sunny, with a high near 78. South wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 52. South southeast wind around 5 mph becoming calm after midnight.

Thursday

Sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.

Thursday Night

Clear, with a low around 55. South wind around 5 mph.