Extreme Heat Warning
2026-08-28T20:00:00-07:00

* WHAT...Dangerously hot conditions expected through the work week, with temperatures up to 115 to 118 across Death Valley and the Colorado River Valley; up to 108 to 112 across Moapa Valley, the Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to 90 to 95 in the Hualapai Mountains. Overnight lows will be in the upper-80s to low-90s for desert valleys. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Friday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events.

Diamond Creek Near Peach 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 5.3
01-02 6.83
01-03 5.88
01-04 5.49
01-05 5.71
01-06 6.78
01-07 6.37
01-08 5.97
01-09 6.5
01-10 6.42
01-11 6.05
01-12 6.03
01-13 5.94
01-14 6.07
01-15 6.02
01-16 5.59
01-17 5.93
01-18 5.66
01-19 5.8
01-20 5.92
01-21 6.1
01-22 5.48
01-23 5.29
01-24 5.56
01-25 5.65
01-26 7.25
01-27 5.81
01-28 5.79
01-29 6.15
01-30 5.99
01-31 5.97
02-01 6.27
02-02 6.37
02-03 6.41
02-04 6.21
02-05 6.18
02-06 5.92
02-07 6.41
02-08 6.36
02-09 6.35
02-10 6.23
02-11 6.27
02-12 5.98
02-13 6.25
02-14 6.15
02-15 7.9
02-16 6.9
02-17 6.68
02-18 6.87
02-19 7.02
02-20 7.4
02-21 7.08
02-22 8.58
02-23 6.59
02-24 6.29
02-25 6.76
02-26 6.89
02-27 5.99
02-28 6.42
02-29 5.29
03-01 6.07
03-02 5.44
03-03 5.91
03-04 5.18
03-05 4.89
03-06 5.69
03-07 5.42
03-08 5.54
03-09 5.73
03-10 5.91
03-11 6.17
03-12 6.16
03-13 6.62
03-14 6.73
03-15 5.86
03-16 6.6
03-17 6.21
03-18 6.61
03-19 7.44
03-20 6.82
03-21 6.16
03-22 5.96
03-23 5.67
03-24 5.98
03-25 5.61
03-26 5.1
03-27 5.45
03-28 6.89
03-29 6.76
03-30 6.49
03-31 6.97
04-01 5.05
04-02 4.99
04-03 5.5
04-04 5.15
04-05 5.34
04-06 5.45
04-07 4.26
04-08 4.4
04-09 4.38
04-10 4.26
04-11 4.33
04-12 4.5
04-13 4.37
04-14 4.6
04-15 4.43
04-16 4.72
04-17 4.8
04-18 5.09
04-19 4.79
04-20 4.83
04-21 4.76
04-22 5.77
04-23 4.52
04-24 4.63
04-25 4.51
04-26 4.31
04-27 4.51
04-28 4.59
04-29 4.6
04-30 4.59
05-01 4.85
05-02 4.83
05-03 4.16
05-04 4.5
05-05 4.09
05-06 4.22
05-07 4.15
05-08 4.14
05-09 4.25
05-10 5.05
05-11 4.46
05-12 4.48
05-13 4.6
05-14 4.78
05-15 4.08
05-16 4.41
05-17 4.17
05-18 4.62
05-19 4.61
05-20 4.22
05-21 4.29
05-22 4.04
05-23 4.36
05-24 4.47
05-25 4.26
05-26 4.27
05-27 4.28
05-28 3.95
05-29 4.8
05-30 4.29
05-31 4.44
06-01 4.79
06-02 4.61
06-03 4.88
06-04 4.59
06-05 4.2
06-06 3.73
06-07 4.02
06-08 3.96
06-09 3.84
06-10 3.49
06-11 3.38
06-12 3.25
06-13 3.28
06-14 3.56
06-15 3.39
06-16 3.35
06-17 2.94
06-18 2.97
06-19 3.14
06-20 3.08
06-21 3.12
06-22 2.93
06-23 3.09
06-24 2.86
06-25 3.05
06-26 2.95
06-27 2.89
06-28 3.26
06-29 2.87
06-30 3.32
07-01 3.16
07-02 2.79
07-03 2.66
07-04 2.51
07-05 2.79
07-06 2.83
07-07 2.81
07-08 2.88
07-09 2.93
07-10 3.18
07-11 14.5
07-12 5.29
07-13 3.46
07-14 3.18
07-15 3.4
07-16 3.03
07-17 3.27
07-18 3.38
07-19 5.45
07-20 3.2
07-21 5.39
07-22 3.28
07-23 2.85
07-24 3.4
07-25 4.02
07-26 5.93
07-27 11.29
07-28 6.13
07-29 4.59
07-30 3.46
07-31 3.72
08-01 2.86
08-02 3.84
08-03 8.26
08-04 2.46
08-05 3.52
08-06 3.35
08-07 12.87
08-08 3.22
08-09 4.23
08-10 4.15
08-11 3.56
08-12 3.09
08-13 26.16
08-14 5.1
08-15 8.11
08-16 7.53
08-17 4.47
08-18 3.17
08-19 2.76
08-20 4.81
08-21 2.91
08-22 41.53
08-23 37.73
08-24 3.63
08-25 614.62
08-26 453.39
08-27 461.57
08-28 372.06
08-29 305.57
08-30 7.0
08-31 6.18
09-01 5.78
09-02 5.45
09-03 3.53
09-04 3.04
09-05 3.11
09-06 3.13
09-07 3.3
09-08 3.11
09-09 3.26
09-10 36.08
09-11 7.02
09-12 6.71
09-13 8.55
09-14 3.36
09-15 3.62
09-16 3.15
09-17 3.29
09-18 3.13
09-19 3.7
09-20 3.66
09-21 3.58
09-22 3.96
09-23 4.5
09-24 4.39
09-25 3.74
09-26 3.59
09-27 3.48
09-28 3.86
09-29 3.79
09-30 127.39
10-01 4.69
10-02 7.28
10-03 6.66
10-04 7.13
10-05 7.02
10-06 7.73
10-07 5.1
10-08 5.02
10-09 4.92
10-10 5.06
10-11 5.13
10-12 4.56
10-13 4.66
10-14 5.05
10-15 4.69
10-16 5.32
10-17 5.22
10-18 18.72
10-19 5.45
10-20 12.86
10-21 6.12
10-22 5.61
10-23 6.05
10-24 5.73
10-25 5.13
10-26 4.92
10-27 5.05
10-28 5.13
10-29 6.56
10-30 5.29
10-31 4.87
11-01 4.84
11-02 4.7
11-03 5.64
11-04 5.42
11-05 5.64
11-06 5.63
11-07 6.18
11-08 6.1
11-09 5.72
11-10 5.21
11-11 5.35
11-12 5.12
11-13 5.29
11-14 5.05
11-15 4.95
11-16 4.71
11-17 4.52
11-18 4.09
11-19 3.97
11-20 4.31
11-21 5.51
11-22 5.6
11-23 5.28
11-24 4.94
11-25 5.4
11-26 5.39
11-27 4.21
11-28 4.39
11-29 6.08
11-30 5.87
12-01 6.2
12-02 6.06
12-03 5.86
12-04 5.23
12-05 5.54
12-06 5.62
12-07 5.25
12-08 5.17
12-09 4.21
12-10 5.3
12-11 4.3
12-12 5.27
12-13 4.35
12-14 4.12
12-15 4.33
12-16 3.76
12-17 4.6
12-18 4.61
12-19 4.63
12-20 4.55
12-21 4.35
12-22 4.95
12-23 4.82
12-24 4.47
12-25 4.93
12-26 4.72
12-27 5.28
12-28 4.79
12-29 5.12
12-30 4.76
12-31 4.89

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index