Overview Realtime Historical Map View
Flood Advisory
2026-10-02T11:00:00-05:00

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Bexar County in south central Texas... * WHEN...Until 1100 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 805 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Antonio, Converse, Universal City, Live Oak, San Antonio Int Airport, Stinson Municipal Airport, Randolph AFB, Leon Valley, Helotes, Kirby, Alamo Heights, Windcrest, Terrell Hills, Shavano Park, Hollywood Park, Cross Mountain, Olmos Park, St. Hedwig and Somerset. - http://www.weather.gov/safety/flood

San Antonio Rv At San Antonio, Tx Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 29.16
01-02 31.45
01-03 47.09
01-04 34.92
01-05 30.13
01-06 42.06
01-07 25.33
01-08 26.25
01-09 27.69
01-10 27.48
01-11 35.1
01-12 32.43
01-13 24.17
01-14 24.42
01-15 24.45
01-16 25.63
01-17 24.47
01-18 25.88
01-19 25.55
01-20 28.12
01-21 28.32
01-22 35.73
01-23 29.3
01-24 37.64
01-25 24.63
01-26 22.56
01-27 23.62
01-28 24.48
01-29 24.51
01-30 28.16
01-31 29.76
02-01 36.97
02-02 27.25
02-03 30.45
02-04 30.32
02-05 31.28
02-06 31.18
02-07 29.78
02-08 30.12
02-09 28.61
02-10 30.91
02-11 29.49
02-12 34.67
02-13 31.49
02-14 29.13
02-15 30.13
02-16 30.73
02-17 29.12
02-18 28.71
02-19 30.9
02-20 31.64
02-21 28.5
02-22 30.07
02-23 27.81
02-24 27.7
02-25 27.51
02-26 28.18
02-27 27.64
02-28 27.04
02-29 30.48
03-01 29.04
03-02 28.09
03-03 27.25
03-04 27.96
03-05 28.48
03-06 29.48
03-07 28.74
03-08 28.52
03-09 31.21
03-10 27.59
03-11 24.25
03-12 26.14
03-13 27.9
03-14 26.55
03-15 27.59
03-16 27.55
03-17 29.66
03-18 29.44
03-19 28.83
03-20 32.04
03-21 33.93
03-22 30.27
03-23 35.89
03-24 34.0
03-25 28.2
03-26 27.24
03-27 27.89
03-28 55.98
03-29 34.93
03-30 27.53
03-31 27.21
04-01 26.06
04-02 29.06
04-03 29.45
04-04 32.19
04-05 28.87
04-06 27.5
04-07 28.6
04-08 31.33
04-09 27.99
04-10 28.06
04-11 29.23
04-12 26.57
04-13 27.52
04-14 27.3
04-15 28.1
04-16 26.17
04-17 28.8
04-18 28.17
04-19 25.69
04-20 25.18
04-21 28.84
04-22 27.11
04-23 28.49
04-24 27.53
04-25 27.57
04-26 25.41
04-27 25.66
04-28 35.61
04-29 34.53
04-30 28.46
05-01 28.14
05-02 26.69
05-03 25.94
05-04 25.29
05-05 26.58
05-06 24.86
05-07 24.26
05-08 25.16
05-09 24.54
05-10 27.56
05-11 24.37
05-12 23.09
05-13 30.31
05-14 27.7
05-15 22.69
05-16 32.49
05-17 25.26
05-18 26.69
05-19 25.65
05-20 24.69
05-21 27.43
05-22 27.69
05-23 24.88
05-24 32.24
05-25 28.8
05-26 26.01
05-27 29.71
05-28 26.29
05-29 28.12
05-30 28.28
05-31 30.23
06-01 30.75
06-02 26.58
06-03 27.98
06-04 26.74
06-05 30.6
06-06 27.44
06-07 26.76
06-08 27.37
06-09 28.35
06-10 28.94
06-11 34.14
06-12 29.0
06-13 29.36
06-14 27.86
06-15 27.57
06-16 26.53
06-17 26.93
06-18 25.4
06-19 27.5
06-20 29.15
06-21 26.5
06-22 29.56
06-23 27.01
06-24 26.31
06-25 24.6
06-26 25.14
06-27 26.09
06-28 23.76
06-29 25.53
06-30 26.6
07-01 24.99
07-02 25.09
07-03 25.16
07-04 26.97
07-05 27.32
07-06 27.4
07-07 27.58
07-08 28.3
07-09 30.66
07-10 29.16
07-11 28.74
07-12 29.71
07-13 27.29
07-14 31.66
07-15 29.24
07-16 29.83
07-17 28.6
07-18 25.81
07-19 25.87
07-20 25.4
07-21 25.79
07-22 26.67
07-23 28.41
07-24 28.41
07-25 27.42
07-26 28.47
07-27 28.95
07-28 26.54
07-29 24.91
07-30 25.44
07-31 26.17
08-01 28.44
08-02 26.66
08-03 25.62
08-04 26.27
08-05 25.65
08-06 25.09
08-07 26.04
08-08 25.29
08-09 24.85
08-10 23.72
08-11 26.89
08-12 23.91
08-13 27.47
08-14 24.11
08-15 25.4
08-16 25.66
08-17 25.21
08-18 22.78
08-19 34.45
08-20 25.66
08-21 113.0
08-22 22.3
08-23 25.44
08-24 23.76
08-25 22.46
08-26 22.59
08-27 23.27
08-28 21.82
08-29 24.54
08-30 23.06
08-31 25.36
09-01 25.34
09-02 23.8
09-03 23.42
09-04 25.88
09-05 25.05
09-06 24.97
09-07 25.52
09-08 24.0
09-09 31.19
09-10 30.13
09-11 24.04
09-12 23.43
09-13 21.22
09-14 22.93
09-15 23.95
09-16 23.59
09-17 24.76
09-18 23.55
09-19 28.22
09-20 25.76
09-21 25.88
09-22 30.01
09-23 25.1
09-24 24.74
09-25 25.33
09-26 31.86
09-27 28.69
09-28 26.36
09-29 30.35
09-30 25.98
10-01 22.05
10-02 26.2
10-03 23.61
10-04 25.06
10-05 25.91
10-06 24.54
10-07 22.78
10-08 23.58
10-09 24.18
10-10 23.9
10-11 26.85
10-12 25.24
10-13 25.31
10-14 36.55
10-15 26.23
10-16 24.84
10-17 24.05
10-18 23.92
10-19 25.11
10-20 24.02
10-21 24.49
10-22 25.26
10-23 23.74
10-24 25.2
10-25 31.89
10-26 25.53
10-27 25.06
10-28 25.71
10-29 23.69
10-30 33.9
10-31 26.57
11-01 23.97
11-02 26.13
11-03 25.06
11-04 30.45
11-05 24.68
11-06 29.15
11-07 24.61
11-08 24.44
11-09 29.02
11-10 27.58
11-11 25.0
11-12 25.81
11-13 27.08
11-14 25.66
11-15 25.41
11-16 27.47
11-17 26.23
11-18 26.1
11-19 27.55
11-20 27.88
11-21 27.72
11-22 27.83
11-23 30.13
11-24 27.57
11-25 27.69
11-26 33.44
11-27 25.36
11-28 28.2
11-29 27.69
11-30 26.33
12-01 26.94
12-02 25.99
12-03 26.04
12-04 26.77
12-05 29.99
12-06 26.62
12-07 28.46
12-08 26.43
12-09 26.47
12-10 27.11
12-11 26.85
12-12 28.55
12-13 26.44
12-14 26.29
12-15 27.16
12-16 27.71
12-17 27.45
12-18 26.96
12-19 37.08
12-20 28.33
12-21 28.52
12-22 27.14
12-23 27.05
12-24 28.78
12-25 29.15
12-26 26.01
12-27 32.62
12-28 27.78
12-29 29.89
12-30 28.56
12-31 30.24

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index