Overview Realtime Historical Map View
Flood Watch
2026-08-31T05:00:00-07:00

Another round of showers and storms is expected this evening into the overnight. Heavy rainfall and localized flooding will be possible, particularly across Maricopa and Pinal Counties. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Apache Junction/Gold Canyon, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, Dripping Springs, East Valley, Fountain Hills/East Mesa, Globe/Miami, Mazatzal Mountains, New River Mesa, North Phoenix/Glendale, Northwest Pinal County, Northwest Valley, Pinal/Superstition Mountains, Rio Verde/Salt River, San Carlos, Scottsdale/Paradise Valley, Sonoran Desert Natl Monument, South Mountain/Ahwatukee, Southeast Gila County, Southeast Valley/Queen Creek, Superior, Tonopah Desert, Tonto Basin and West Pinal County. * WHEN...From 6 PM MST this evening through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Ample moisture and atmospheric instability will again combine with a weather system positioned over western portions of the region to promote scattered thunderstorms capable of producing heavy rainfall from this evening into the overnight. Training of storms could result in localized rainfall amounts of over two inches within the watch area. - http://www.weather.gov/safety/flood

Black River Near Fort Apache, Az. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 147.38
01-02 1233.47
01-03 302.66
01-04 250.65
01-05 202.45
01-06 168.67
01-07 181.06
01-08 209.43
01-09 171.35
01-10 156.13
01-11 158.78
01-12 154.98
01-13 138.25
01-14 141.36
01-15 162.55
01-16 530.25
01-17 880.45
01-18 685.93
01-19 293.1
01-20 208.02
01-21 195.32
01-22 253.75
01-23 246.15
01-24 195.86
01-25 168.41
01-26 151.45
01-27 135.39
01-28 238.43
01-29 348.39
01-30 192.91
01-31 390.54
02-01 283.2
02-02 231.03
02-03 189.32
02-04 169.36
02-05 406.51
02-06 360.56
02-07 371.39
02-08 350.55
02-09 276.47
02-10 235.56
02-11 198.7
02-12 203.84
02-13 198.61
02-14 206.78
02-15 482.82
02-16 566.21
02-17 448.1
02-18 382.33
02-19 263.3
02-20 317.76
02-21 318.94
02-22 339.71
02-23 586.66
02-24 620.06
02-25 586.49
02-26 650.42
02-27 612.39
02-28 564.96
02-29 625.5
03-01 464.04
03-02 430.05
03-03 439.22
03-04 494.24
03-05 443.26
03-06 412.05
03-07 397.17
03-08 426.43
03-09 457.89
03-10 476.34
03-11 474.11
03-12 536.54
03-13 1691.27
03-14 1503.07
03-15 1074.71
03-16 887.01
03-17 1111.64
03-18 888.46
03-19 833.71
03-20 1097.9
03-21 853.55
03-22 653.29
03-23 934.23
03-24 887.26
03-25 779.31
03-26 697.86
03-27 668.47
03-28 612.47
03-29 628.62
03-30 642.53
03-31 679.14
04-01 609.21
04-02 659.15
04-03 586.86
04-04 583.67
04-05 564.2
04-06 513.95
04-07 482.91
04-08 423.39
04-09 421.02
04-10 422.21
04-11 486.32
04-12 456.58
04-13 461.45
04-14 440.91
04-15 415.88
04-16 374.52
04-17 344.7
04-18 343.82
04-19 331.89
04-20 300.63
04-21 268.5
04-22 250.77
04-23 238.87
04-24 228.54
04-25 231.16
04-26 207.4
04-27 200.26
04-28 190.44
04-29 182.95
04-30 167.76
05-01 162.09
05-02 148.52
05-03 140.72
05-04 136.79
05-05 129.61
05-06 120.8
05-07 115.31
05-08 106.16
05-09 105.97
05-10 106.04
05-11 97.31
05-12 95.73
05-13 94.05
05-14 85.87
05-15 88.53
05-16 85.68
05-17 83.65
05-18 79.04
05-19 80.49
05-20 82.04
05-21 78.13
05-22 71.73
05-23 68.05
05-24 63.95
05-25 60.31
05-26 57.17
05-27 54.03
05-28 51.5
05-29 49.85
05-30 47.32
05-31 44.01
06-01 42.89
06-02 42.35
06-03 40.6
06-04 39.35
06-05 40.29
06-06 38.06
06-07 37.19
06-08 35.44
06-09 34.31
06-10 32.39
06-11 32.27
06-12 32.14
06-13 31.38
06-14 30.24
06-15 27.5
06-16 28.86
06-17 28.17
06-18 28.07
06-19 28.79
06-20 27.75
06-21 26.71
06-22 26.6
06-23 25.45
06-24 25.19
06-25 24.64
06-26 24.75
06-27 24.22
06-28 24.36
06-29 24.33
06-30 25.36
07-01 26.62
07-02 26.38
07-03 28.21
07-04 29.25
07-05 31.69
07-06 33.42
07-07 36.79
07-08 39.96
07-09 41.36
07-10 37.16
07-11 35.01
07-12 34.32
07-13 41.96
07-14 64.32
07-15 56.69
07-16 68.33
07-17 66.79
07-18 80.3
07-19 81.49
07-20 79.09
07-21 87.4
07-22 84.28
07-23 74.09
07-24 84.44
07-25 129.72
07-26 127.15
07-27 182.79
07-28 315.83
07-29 154.15
07-30 224.29
07-31 147.35
08-01 118.04
08-02 103.31
08-03 151.72
08-04 144.25
08-05 132.21
08-06 126.53
08-07 108.13
08-08 87.78
08-09 79.96
08-10 66.95
08-11 161.07
08-12 114.73
08-13 109.04
08-14 141.72
08-15 207.69
08-16 161.71
08-17 178.58
08-18 250.43
08-19 293.54
08-20 346.25
08-21 308.91
08-22 338.69
08-23 272.03
08-24 235.61
08-25 233.82
08-26 173.8
08-27 222.43
08-28 175.93
08-29 198.31
08-30 176.03
08-31 179.15
09-01 173.01
09-02 466.49
09-03 282.17
09-04 195.93
09-05 162.64
09-06 153.26
09-07 127.71
09-08 108.79
09-09 106.61
09-10 150.64
09-11 161.91
09-12 182.96
09-13 144.8
09-14 190.65
09-15 150.36
09-16 162.35
09-17 144.84
09-18 120.24
09-19 106.96
09-20 95.86
09-21 93.97
09-22 84.94
09-23 134.34
09-24 124.0
09-25 108.2
09-26 93.8
09-27 84.22
09-28 89.84
09-29 98.14
09-30 114.53
10-01 101.58
10-02 96.78
10-03 86.71
10-04 76.55
10-05 67.12
10-06 66.89
10-07 81.56
10-08 87.27
10-09 81.3
10-10 133.11
10-11 94.54
10-12 89.87
10-13 107.86
10-14 434.49
10-15 99.01
10-16 80.18
10-17 113.25
10-18 89.82
10-19 83.84
10-20 69.1
10-21 67.27
10-22 85.11
10-23 85.5
10-24 81.91
10-25 77.86
10-26 77.1
10-27 70.98
10-28 70.54
10-29 65.29
10-30 63.09
10-31 63.97
11-01 48.52
11-02 47.43
11-03 59.77
11-04 57.4
11-05 58.38
11-06 73.25
11-07 78.19
11-08 77.05
11-09 75.79
11-10 74.98
11-11 74.78
11-12 73.49
11-13 70.82
11-14 63.55
11-15 61.92
11-16 62.61
11-17 129.16
11-18 46.07
11-19 46.15
11-20 48.39
11-21 102.85
11-22 117.87
11-23 127.42
11-24 117.58
11-25 118.59
11-26 101.54
11-27 58.18
11-28 59.18
11-29 86.19
11-30 110.39
12-01 113.48
12-02 91.51
12-03 81.86
12-04 77.18
12-05 310.89
12-06 311.88
12-07 220.64
12-08 167.07
12-09 143.3
12-10 348.91
12-11 189.5
12-12 151.38
12-13 129.76
12-14 114.87
12-15 106.84
12-16 103.29
12-17 105.97
12-18 94.64
12-19 87.82
12-20 109.44
12-21 95.63
12-22 88.62
12-23 84.1
12-24 126.81
12-25 157.48
12-26 121.67
12-27 109.55
12-28 101.78
12-29 229.95
12-30 184.35
12-31 143.21

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index