Overview Realtime Historical Map View
Flood Watch
2026-07-21T22:00:00-07:00

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of east central, north central, northeast, and west central Arizona, including the following areas, in east central Arizona, Northern Gila County. In north central Arizona, Black Mesa Area, Coconino Plateau, Eastern Mogollon Rim, Grand Canyon Country, Kaibab Plateau, Little Colorado River Valley in Coconino County, Marble and Glen Canyons, Northeast Plateaus and Mesas Hwy 264 Northward, Northeast Plateaus and Mesas South of Hwy 264 and Western Mogollon Rim. In northeast Arizona, Little Colorado River Valley in Apache County, Little Colorado River Valley in Navajo County and White Mountains. In west central Arizona, Yavapai County Mountains. * WHEN...From Tuesday morning through Tuesday 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... - Deep monsoon moisture in place across northern Arizona will lead to storms capable of producing rainfall in excess of 2 inches per hour, resulting in an enhanced risk of flash flooding. - Additional information is available at weather.gov/flagstaff.

Puerco River Near Chambers, Az Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012
01-12 0.98
01-13 5.3
01-14 3.2
01-15 26.0
01-16 8.5
01-17 3.0
01-18 35.31
01-19 44.8
01-20 32.8
01-21 89.6
01-22 24.75
01-23 17.7
01-24 10.6
01-25 1.8
01-26 0.45
01-27 0.35
01-31 2.4
02-01 21.35
02-02 42.65
02-03 15.82
02-04 2.58
02-05 1.5
02-06 1.9
02-07 1.2
02-08 0.65
02-09 0.71
02-12 0.45
02-14 5.0
02-15 2.5
02-16 124.5
02-17 61.5
02-18 28.55
02-19 54.8
02-20 12.85
02-21 17.85
02-22 5.38
02-23 9.15
02-24 34.74
02-25 2.1
02-26 20.5
02-27 33.75
02-28 17.8
02-29 6.41
03-01 36.81
03-02 105.83
03-03 123.9
03-04 221.63
03-05 90.53
03-06 63.5
03-07 22.17
03-08 13.37
03-09 11.1
03-10 3.52
03-11 3.68
03-12 3.34
03-13 365.75
03-14 224.51
03-15 106.4
03-16 50.81
03-17 217.0
03-18 68.2
03-19 37.67
03-20 29.21
03-21 35.28
03-22 196.6
03-23 460.28
03-24 197.31
03-25 24.09
03-26 22.53
03-27 31.0
03-28 39.0
03-29 46.0
03-30 46.0
03-31 39.0
04-01 21.0
04-02 27.0
04-03 14.0
04-04 16.0
04-05 9.5
04-07 7.6
04-08 6.0
04-09 5.0
04-10 4.5
04-11 9.7
04-12 35.15
04-13 2.83
04-14 0.94
04-21 5.75
04-22 22.5
04-23 73.2
04-24 2.16
05-03 2.1
05-06 39.0
05-07 34.0
05-08 3.2
05-09 0.73
05-12 12.05
05-13 6.3
05-14 6.16
05-15 4.29
05-16 6.16
05-17 0.7
05-20 79.0
05-21 1.1
06-15 48.0
06-16 12.0
06-17 3.4
07-04 3.7
07-05 1.4
07-06 202.0
07-07 202.0
07-08 52.0
07-09 46.0
07-10 468.0
07-11 59.13
07-12 0.65
07-13 17.1
07-14 1139.5
07-15 185.5
07-16 152.33
07-17 73.7
07-18 269.0
07-19 177.13
07-20 6.18
07-21 9.4
07-22 32.8
07-23 191.86
07-24 935.25
07-25 1873.15
07-26 692.93
07-27 270.65
07-28 2.74
07-29 1135.0
07-30 834.21
07-31 899.65
08-01 110.0
08-02 143.25
08-03 554.5
08-04 94.16
08-05 190.23
08-06 259.22
08-07 436.77
08-08 14.9
08-09 29.4
08-10 11.9
08-11 5.26
08-12 965.0
08-13 43.9
08-14 189.44
08-15 2.0
08-16 8.72
08-17 1140.0
08-18 350.5
08-20 1006.51
08-21 0.35
08-22 269.23
08-23 261.0
08-25 1.65
08-26 474.3
08-27 75.67
08-28 27.33
08-29 3.9
08-30 10.7
08-31 157.3
09-01 87.15
09-02 385.0
09-03 246.33
09-04 2.83
09-05 13.0
09-06 1.98
09-07 1.59
09-08 21.0
09-09 0.45
09-10 178.0
09-11 670.02
09-13 140.0
09-14 782.5
09-15 839.0
09-16 1250.0
09-22 764.25
09-26 5.75
09-27 0.59
09-28 20.0
09-29 794.7
09-30 485.0
10-01 288.0
10-02 1242.85
10-03 780.02
10-04 0.1
10-05 98.02
10-06 119.0
10-07 460.2
10-08 2.4
10-09 0.65
10-10 19.04
10-11 1.49
10-12 221.33
10-13 0.36
10-14 251.04
10-15 0.08
10-17 1490.0
10-18 256.0
10-19 99.13
10-20 8.0
10-21 160.0
10-22 121.0
10-23 4.7
10-24 2.0
10-25 1.6
11-01 14.5
11-05 182.0
11-06 95.0
11-07 4.1
11-08 3.2
11-09 1.09
11-14 1.86
11-16 7250.0
11-20 0.25
11-21 1.5
11-22 1.2
11-23 52.0
11-24 6.24
11-25 3.85
12-04 0.86
12-07 0.92
12-08 0.92
12-09 4.8
12-10 5.1
12-11 12.51
12-12 5.33
12-13 3.63
12-14 0.92
12-15 0.92
12-16 0.92

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index