Overview Realtime Historical Map View
Extreme Heat Warning
2026-08-21T20:00:00-07:00

* WHAT...Dangerously hot conditions expected. Afternoon temperatures 106 to 114. Major Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, and West Pinal County. * WHEN...From 10 AM Monday to 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat

Agua Fria River Near Rock Springs, 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 16.94
01-02 49.7
01-03 29.75
01-04 23.19
01-05 15.9
01-06 13.27
01-07 41.08
01-08 56.02
01-09 29.89
01-10 18.61
01-11 13.34
01-12 11.16
01-13 10.61
01-14 9.6
01-15 8.86
01-16 21.46
01-17 78.16
01-18 115.05
01-19 47.62
01-20 31.28
01-21 26.95
01-22 17.6
01-23 18.11
01-24 15.0
01-25 14.39
01-26 12.38
01-27 17.41
01-28 54.4
01-29 71.21
01-30 22.44
01-31 14.38
02-01 21.61
02-02 14.57
02-03 10.44
02-04 27.18
02-05 17.85
02-06 114.69
02-07 40.75
02-08 25.13
02-09 22.63
02-10 14.49
02-11 9.68
02-12 11.39
02-13 9.18
02-14 8.53
02-15 426.12
02-16 93.75
02-17 50.97
02-18 33.48
02-19 33.31
02-20 26.38
02-21 24.11
02-22 41.36
02-23 53.89
02-24 52.76
02-25 60.48
02-26 61.91
02-27 67.99
02-28 77.65
02-29 11.46
03-01 65.1
03-02 139.38
03-03 176.97
03-04 136.85
03-05 99.79
03-06 72.78
03-07 57.1
03-08 47.76
03-09 42.92
03-10 47.37
03-11 38.76
03-12 157.49
03-13 488.0
03-14 423.52
03-15 163.63
03-16 177.58
03-17 119.94
03-18 76.49
03-19 95.31
03-20 140.38
03-21 74.46
03-22 563.04
03-23 313.25
03-24 122.02
03-25 89.3
03-26 65.02
03-27 46.94
03-28 36.23
03-29 29.18
03-30 22.48
03-31 21.17
04-01 16.79
04-02 20.06
04-03 19.81
04-04 19.09
04-05 17.03
04-06 15.55
04-07 13.53
04-08 12.45
04-09 11.06
04-10 11.25
04-11 10.03
04-12 9.67
04-13 8.31
04-14 8.36
04-15 10.04
04-16 8.21
04-17 6.73
04-18 7.65
04-19 7.2
04-20 6.71
04-21 5.67
04-22 5.47
04-23 4.72
04-24 4.62
04-25 4.6
04-26 4.0
04-27 4.07
04-28 4.01
04-29 3.69
04-30 3.73
05-01 3.13
05-02 3.2
05-03 3.01
05-04 3.04
05-05 2.68
05-06 2.07
05-07 1.98
05-08 2.06
05-09 2.1
05-10 2.06
05-11 2.19
05-12 2.15
05-13 2.13
05-14 1.39
05-15 1.96
05-16 2.03
05-17 1.93
05-18 1.94
05-19 2.04
05-20 1.96
05-21 9.63
05-22 4.01
05-23 2.81
05-24 2.26
05-25 1.88
05-26 1.67
05-27 1.59
05-28 1.5
05-29 1.32
05-30 1.24
05-31 1.2
06-01 1.16
06-02 1.12
06-03 0.97
06-04 1.01
06-05 0.98
06-06 0.93
06-07 0.96
06-08 0.91
06-09 0.92
06-10 0.87
06-11 0.85
06-12 0.87
06-13 0.82
06-14 0.81
06-15 0.55
06-16 0.77
06-17 0.77
06-18 0.77
06-19 0.8
06-20 0.8
06-21 0.78
06-22 0.74
06-23 0.73
06-24 0.69
06-25 0.69
06-26 0.68
06-27 0.68
06-28 0.69
06-29 0.41
06-30 0.36
07-01 0.39
07-02 0.39
07-03 0.42
07-04 1.56
07-05 1.63
07-06 1.3
07-07 0.44
07-08 7.47
07-09 0.39
07-10 0.32
07-11 0.33
07-12 25.84
07-13 1.11
07-14 0.69
07-15 182.31
07-16 8.75
07-17 7.87
07-18 6.95
07-19 8.08
07-20 54.08
07-21 201.98
07-22 23.48
07-23 15.84
07-24 158.63
07-25 57.82
07-26 98.38
07-27 6.4
07-28 2.78
07-29 75.81
07-30 13.41
07-31 33.02
08-01 11.63
08-02 1.3
08-03 0.94
08-04 8.0
08-05 6.29
08-06 4.73
08-07 2.34
08-08 1.08
08-09 2.18
08-10 2.67
08-11 2.88
08-12 3.12
08-13 89.96
08-14 17.84
08-15 12.52
08-16 7.83
08-17 2.63
08-18 45.5
08-19 18.52
08-20 344.01
08-21 54.24
08-22 99.4
08-23 16.92
08-24 59.38
08-25 20.02
08-26 51.08
08-27 26.56
08-28 92.89
08-29 19.0
08-30 7.15
08-31 31.66
09-01 12.42
09-02 4.51
09-03 2.93
09-04 6.73
09-05 22.72
09-06 4.82
09-07 3.98
09-08 6.73
09-09 21.32
09-10 6.94
09-11 204.19
09-12 21.96
09-13 11.11
09-14 5.56
09-15 4.23
09-16 2.69
09-17 1.58
09-18 4.37
09-19 2.58
09-20 0.99
09-21 0.66
09-22 0.51
09-23 61.11
09-24 27.72
09-25 2.9
09-26 2.6
09-27 75.78
09-28 7.33
09-29 9.15
09-30 1.53
10-01 4.02
10-02 1.43
10-03 1.08
10-04 0.73
10-05 6.74
10-06 2.83
10-07 1.9
10-08 97.23
10-09 8.82
10-10 4.62
10-11 2.39
10-12 24.5
10-13 4.22
10-14 121.13
10-15 19.05
10-16 2.07
10-17 5.76
10-18 4.5
10-19 3.12
10-20 4.0
10-21 4.21
10-22 1.99
10-23 1.15
10-24 28.4
10-25 6.13
10-26 3.11
10-27 2.0
10-28 1.23
10-29 2.36
10-30 0.86
10-31 0.95
11-01 0.69
11-02 0.56
11-03 0.86
11-04 0.72
11-05 0.72
11-06 0.84
11-07 0.76
11-08 0.57
11-09 0.66
11-10 0.58
11-11 0.64
11-12 0.83
11-13 0.62
11-14 0.43
11-15 0.48
11-16 0.64
11-17 0.7
11-18 0.43
11-19 32.87
11-20 43.18
11-21 54.65
11-22 44.47
11-23 19.95
11-24 109.08
11-25 24.6
11-26 9.47
11-27 6.09
11-28 4.28
11-29 1.89
11-30 183.89
12-01 62.0
12-02 36.22
12-03 26.3
12-04 22.48
12-05 30.87
12-06 25.57
12-07 21.04
12-08 17.56
12-09 24.82
12-10 23.64
12-11 18.13
12-12 15.39
12-13 13.48
12-14 13.37
12-15 12.08
12-16 12.64
12-17 10.04
12-18 9.43
12-19 8.25
12-20 8.34
12-21 8.68
12-22 7.68
12-23 7.46
12-24 7.56
12-25 306.2
12-26 61.9
12-27 36.82
12-28 48.59
12-29 39.15
12-30 30.55
12-31 21.22

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index