Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Hazardous Weather Conditions

Flood Advisory in effect from June 20, 01:38 AM CDT until June 20, 04:45 AM CDT

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Overcast

82°F

28°C

Humidity	88%
Wind Speed	SE 10 mph
Barometer	29.89 in (1010.9 mb)
Dewpoint	78°F (26°C)
Visibility	8.00 mi
Heat Index	91°F (33°C)
Last update	20 Jun 12:53 am CDT

More Information:

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

Extended Forecast for

San Antonio, Stinson Municipal Airport TX

Flood Advisory until June 20, 04:45am

Click here for hazard details and duration

Flood Advisory

Flood Advisory until June 20, 04:45am
NOW until 4:45am Sat
Flood Advisory
Overnight
Low: 77 °F
Showers
Likely
Saturday
High: 90 °F
Chance
T-storms
Saturday Night
Low: 77 °F
Partly Cloudy
then Chance
Showers
Sunday
High: 93 °F
Chance
Showers then
Mostly Sunny
Sunday Night
Low: 78 °F
Mostly Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 77. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A slight chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 105. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Sunday Night

Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.

Monday

Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

Mostly sunny, with a high near 95. South southeast wind around 10 mph.

Tuesday Night

Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 95.