Flood Watch
2026-09-01T00:00:00-07:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...All of northern and central Arizona. * WHEN...Through Monday evening. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Showers and thunderstorms are expected to develop this afternoon and evening, becoming more widespread into the overnight hours. An additional round of storms is also expected on Monday. With deep monsoonal moisture in place and already saturated soils in some locations, an elevated risk of flash flooding will be in place through Monday. - Additional information is available at weather.gov/flagstaff.

Oak Creek Near Cornville, 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 73.19
01-02 231.37
01-03 106.38
01-04 69.39
01-05 54.88
01-06 51.44
01-07 68.96
01-08 64.64
01-09 71.63
01-10 61.66
01-11 56.94
01-12 60.36
01-13 60.57
01-14 117.33
01-15 72.94
01-16 91.99
01-17 160.28
01-18 102.19
01-19 107.48
01-20 77.86
01-21 70.02
01-22 81.01
01-23 83.27
01-24 70.38
01-25 69.1
01-26 59.92
01-27 285.38
01-28 271.83
01-29 95.85
01-30 75.28
01-31 142.71
02-01 102.09
02-02 79.15
02-03 63.02
02-04 209.59
02-05 135.29
02-06 116.16
02-07 90.1
02-08 84.82
02-09 77.31
02-10 72.92
02-11 71.65
02-12 72.91
02-13 72.69
02-14 69.42
02-15 1402.03
02-16 246.43
02-17 143.64
02-18 116.44
02-19 91.85
02-20 97.7
02-21 94.5
02-22 99.24
02-23 111.89
02-24 215.34
02-25 118.42
02-26 132.18
02-27 118.5
02-28 114.51
02-29 75.6
03-01 118.15
03-02 409.75
03-03 451.66
03-04 332.64
03-05 244.18
03-06 175.32
03-07 137.38
03-08 128.94
03-09 172.45
03-10 110.83
03-11 222.14
03-12 283.18
03-13 524.36
03-14 346.67
03-15 262.12
03-16 896.39
03-17 274.54
03-18 182.12
03-19 191.37
03-20 161.37
03-21 133.67
03-22 673.02
03-23 332.24
03-24 232.12
03-25 163.03
03-26 125.17
03-27 107.24
03-28 81.22
03-29 75.43
03-30 88.24
03-31 93.01
04-01 70.9
04-02 81.71
04-03 100.44
04-04 150.82
04-05 87.43
04-06 62.59
04-07 58.03
04-08 75.5
04-09 87.54
04-10 149.48
04-11 162.21
04-12 188.93
04-13 115.14
04-14 100.88
04-15 72.41
04-16 58.06
04-17 53.43
04-18 51.42
04-19 50.62
04-20 47.74
04-21 43.18
04-22 40.89
04-23 40.45
04-24 38.99
04-25 38.21
04-26 37.11
04-27 36.47
04-28 35.66
04-29 34.91
04-30 33.99
05-01 33.99
05-02 33.62
05-03 33.86
05-04 33.03
05-05 32.37
05-06 33.18
05-07 32.15
05-08 36.34
05-09 36.33
05-10 36.51
05-11 36.03
05-12 35.75
05-13 31.39
05-14 30.58
05-15 30.23
05-16 30.64
05-17 30.86
05-18 31.03
05-19 30.88
05-20 31.04
05-21 30.17
05-22 31.02
05-23 29.67
05-24 29.81
05-25 28.91
05-26 39.17
05-27 27.94
05-28 27.54
05-29 28.29
05-30 27.78
05-31 27.5
06-01 26.93
06-02 26.85
06-03 26.91
06-04 27.27
06-05 26.44
06-06 25.86
06-07 25.45
06-08 25.14
06-09 25.46
06-10 24.95
06-11 24.07
06-12 23.93
06-13 23.12
06-14 22.86
06-15 22.66
06-16 22.83
06-17 22.9
06-18 22.76
06-19 22.39
06-20 22.5
06-21 22.49
06-22 22.51
06-23 23.34
06-24 23.32
06-25 23.96
06-26 24.02
06-27 24.21
06-28 23.16
06-29 22.88
06-30 22.96
07-01 22.44
07-02 22.48
07-03 22.59
07-04 25.46
07-05 22.83
07-06 22.69
07-07 22.43
07-08 22.46
07-09 22.6
07-10 21.36
07-11 22.06
07-12 22.04
07-13 22.36
07-14 21.77
07-15 22.19
07-16 22.21
07-17 32.82
07-18 27.32
07-19 54.35
07-20 36.85
07-21 31.48
07-22 22.82
07-23 22.82
07-24 52.53
07-25 197.06
07-26 33.62
07-27 28.46
07-28 30.69
07-29 34.84
07-30 34.42
07-31 27.6
08-01 28.88
08-02 27.89
08-03 46.61
08-04 28.74
08-05 28.92
08-06 25.91
08-07 24.67
08-08 26.07
08-09 24.51
08-10 23.99
08-11 38.61
08-12 26.26
08-13 25.34
08-14 26.58
08-15 24.89
08-16 24.79
08-17 33.79
08-18 26.62
08-19 48.38
08-20 49.96
08-21 29.9
08-22 39.76
08-23 44.73
08-24 40.46
08-25 28.42
08-26 28.45
08-27 28.58
08-28 28.73
08-29 26.28
08-30 25.98
08-31 44.08
09-01 41.02
09-02 32.3
09-03 29.38
09-04 27.53
09-05 55.36
09-06 36.82
09-07 27.01
09-08 26.58
09-09 27.16
09-10 65.96
09-11 66.34
09-12 65.75
09-13 38.67
09-14 43.62
09-15 85.92
09-16 34.32
09-17 27.4
09-18 27.53
09-19 27.12
09-20 27.21
09-21 28.8
09-22 29.18
09-23 30.71
09-24 38.0
09-25 31.21
09-26 31.46
09-27 36.0
09-28 33.04
09-29 33.69
09-30 32.45
10-01 31.73
10-02 31.22
10-03 30.44
10-04 44.23
10-05 46.02
10-06 34.37
10-07 28.97
10-08 45.64
10-09 31.99
10-10 42.31
10-11 35.17
10-12 30.2
10-13 38.04
10-14 35.26
10-15 31.22
10-16 32.0
10-17 31.2
10-18 30.74
10-19 30.82
10-20 32.85
10-21 31.67
10-22 31.32
10-23 31.64
10-24 31.0
10-25 31.51
10-26 30.68
10-27 37.74
10-28 31.48
10-29 31.9
10-30 32.28
10-31 31.94
11-01 31.32
11-02 31.71
11-03 32.25
11-04 32.89
11-05 35.07
11-06 37.91
11-07 36.3
11-08 36.6
11-09 37.32
11-10 40.58
11-11 37.9
11-12 39.18
11-13 37.95
11-14 37.26
11-15 37.96
11-16 37.87
11-17 58.91
11-18 37.52
11-19 49.73
11-20 90.23
11-21 76.75
11-22 50.75
11-23 48.06
11-24 114.47
11-25 62.55
11-26 55.0
11-27 54.48
11-28 52.41
11-29 41.26
11-30 60.94
12-01 47.19
12-02 44.39
12-03 44.3
12-04 46.43
12-05 196.55
12-06 83.39
12-07 62.1
12-08 54.84
12-09 136.31
12-10 74.08
12-11 62.46
12-12 44.76
12-13 42.75
12-14 46.15
12-15 45.62
12-16 47.66
12-17 41.28
12-18 41.04
12-19 40.58
12-20 41.43
12-21 41.98
12-22 42.02
12-23 42.11
12-24 42.3
12-25 152.08
12-26 70.38
12-27 61.88
12-28 56.39
12-29 55.41
12-30 45.98
12-31 52.64

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index