Heat Advisory

* WHAT...Heat index values up to 112 expected.

* WHERE...The Hill Country, I-35 Corridor, Coastal Plains, and portions of the Rio Grande Plains.

* WHEN...Until 8 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

* ADDITIONAL DETAILS...Overnight temperatures will stay in the 80s prompting a heat advisory to remain in effect through the overnight hours.

Thursday, Jul 23, 8:00 PM CDT
Clear
93°
Feels 101°
 52%
Dewpt 73°
 nne
5 mph
Thursday, Jul 23
Partly cloudy throughout the day.
81 101 81 - 101
Friday, Jul 24
Partly cloudy throughout the day with storms possible.
80 95 80 - 95
Saturday, Jul 25
Partly cloudy throughout the day.
77 96 77 - 96
Sunday, Jul 26
Clear conditions throughout the day.
76 95 76 - 95
Monday, Jul 27
Clear conditions throughout the day.
77 97 77 - 97
Tuesday, Jul 28
Clear conditions throughout the day.
77 99 77 - 99
Wednesday, Jul 29
Clear conditions throughout the day.
77 99 77 - 99
Thursday, Jul 30
Partly cloudy throughout the day.
78 99 78 - 99
Friday, Jul 31
Partly cloudy throughout the day.
78 102 78 - 102
Saturday, Aug 1
Partly cloudy throughout the day.
77 102 77 - 102
Sunday, Aug 2
Becoming cloudy in the afternoon.
76 102 76 - 102
Monday, Aug 3
Partly cloudy throughout the day.
76 101 76 - 101
Tuesday, Aug 4
Clear conditions throughout the day.
78 102 78 - 102
Wednesday, Aug 5
Clear conditions throughout the day.
77 102 77 - 102
Thursday, Aug 6
Clear conditions throughout the day.
77 103 77 - 103
Weather forecast for San Antonio, TX on Thu, 23 Jul 2026 18:10:46 GMT