Thunderstorms and Heavy Rain from the Southern Plains through the Southeast

Scattered to severe thunderstorms and heavy rain may produce hail, damaging winds, and localized flash flooding across portions of the southern Plains and Southeast. Another area of heavy rain will develop over parts of the Ohio Valley/Central Appalachians and create mainly localized areas of flash flooding. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

82°F

28°C

Humidity	56%
Wind Speed	SE 6 mph
Barometer	30.03 in (1015.1 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	27 May 12:51 pm CDT

More Information:

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

Extended Forecast for

Castle Hills TX

This Afternoon
High: 90 °F
Slight Chance
T-storms
Tonight
Low: 71 °F
Severe
Thunderstorms
Wednesday
High: 85 °F
Showers
Likely then
T-storms
Likely
Wednesday Night
Low: 72 °F
Chance
T-storms
Thursday
High: 89 °F
Mostly Cloudy
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 84 °F
Slight Chance
T-storms
Friday Night
Low: 68 °F
Mostly Cloudy
then Slight
Chance
T-storms
Saturday
High: 88 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 7pm. Some of the storms could be severe and produce heavy rainfall. Increasing clouds, with a low around 71. East northeast wind 5 to 10 mph becoming southeast after midnight. New rainfall amounts between three quarters and one inch possible.

Wednesday

Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. North northeast wind around 5 mph becoming east in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 72. East wind 5 to 10 mph.

Thursday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. Southeast wind around 5 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East southeast wind around 5 mph becoming northeast after midnight.

Friday

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Northeast wind around 5 mph.

Friday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East northeast wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Northeast wind around 5 mph becoming east southeast in the afternoon.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Partly cloudy, with a low around 72.

Monday

Sunny, with a high near 94.