Overview Realtime Historical Map View
Flood Watch
2026-09-07T00:00:00-06:00

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of Utah, including the following areas, Central Mountains, Eastern Juab/Millard Counties, Sanpete Valley, Sevier Valley, Wasatch Plateau/Book Cliffs, Western Uinta Basin, Bryce Canyon Country, South Central Utah, Southern Mountains, Upper Sevier River Valleys, Southwest Utah and Zion National Park. This watch also includes recent burn scars such as Cottonwood, Widemouth 2, Forsyth, France Canyon, Monroe Canyon, and Black Canyon. * WHEN...From Sunday morning through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, dry washes, slot canyons, and other low-lying and flood-prone locations such as slickrock areas and recent burn scars. * ADDITIONAL DETAILS... - Excessive rainfall is expected Sunday afternoon associated with the arrival of deep tropical moisture across much of central and southern Utah. Rates from 0.4-0.6 inches per hour are expected, with isolated higher rates from 0.6-0.8 inches per hour possible. - http://www.weather.gov/safety/flood

Diamond Fork Above Red Hollow, Near Thistle, Ut 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 41.58
01-02 83.38
01-03 77.16
01-04 43.42
01-05 38.23
01-06 38.23
01-07 41.94
01-08 45.12
01-09 45.74
01-10 48.57
01-11 50.2
01-12 47.18
01-13 48.06
01-14 48.18
01-15 45.18
01-16 45.8
01-17 45.17
01-18 44.5
01-19 44.58
01-20 43.49
01-21 44.96
01-22 41.13
01-23 41.72
01-24 38.37
01-25 43.58
01-26 47.16
01-27 45.7
01-28 45.66
01-29 47.64
01-30 47.91
01-31 49.7
02-01 49.24
02-02 48.68
02-03 48.45
02-04 46.0
02-05 43.99
02-06 47.34
02-07 43.71
02-08 68.11
02-09 45.72
02-10 45.41
02-11 46.61
02-12 46.6
02-13 47.85
02-14 49.96
02-15 45.17
02-16 44.14
02-17 44.26
02-18 43.11
02-19 44.28
02-20 46.27
02-21 44.77
02-22 46.66
02-23 45.35
02-24 46.72
02-25 46.56
02-26 48.13
02-27 45.91
02-28 45.93
02-29 44.2
03-01 47.7
03-02 45.54
03-03 45.4
03-04 44.34
03-05 43.23
03-06 44.61
03-07 45.7
03-08 44.38
03-09 43.91
03-10 43.79
03-11 43.9
03-12 45.28
03-13 46.15
03-14 45.68
03-15 47.09
03-16 46.68
03-17 46.52
03-18 45.26
03-19 48.63
03-20 51.06
03-21 51.39
03-22 52.81
03-23 54.49
03-24 51.67
03-25 50.91
03-26 51.53
03-27 51.12
03-28 50.78
03-29 50.99
03-30 50.65
03-31 54.81
04-01 52.33
04-02 53.43
04-03 53.4
04-04 54.31
04-05 56.73
04-06 50.21
04-07 56.33
04-08 59.87
04-09 50.87
04-10 61.85
04-11 63.01
04-12 61.24
04-13 63.28
04-14 63.6
04-15 65.14
04-16 65.95
04-17 58.37
04-18 72.07
04-19 75.54
04-20 76.16
04-21 70.59
04-22 70.45
04-23 70.59
04-24 78.21
04-25 85.12
04-26 87.27
04-27 91.59
04-28 92.87
04-29 94.6
04-30 98.53
05-01 105.69
05-02 109.41
05-03 109.3
05-04 112.16
05-05 121.66
05-06 141.51
05-07 136.51
05-08 141.63
05-09 159.75
05-10 146.21
05-11 132.91
05-12 136.08
05-13 147.35
05-14 183.07
05-15 224.17
05-16 210.96
05-17 175.67
05-18 152.56
05-19 134.32
05-20 133.59
05-21 121.47
05-22 120.17
05-23 122.8
05-24 122.03
05-25 122.28
05-26 126.41
05-27 125.22
05-28 112.56
05-29 112.66
05-30 107.65
05-31 98.02
06-01 93.07
06-02 93.9
06-03 108.14
06-04 105.92
06-05 107.96
06-06 108.65
06-07 114.99
06-08 114.16
06-09 105.66
06-10 101.31
06-11 102.69
06-12 105.55
06-13 100.16
06-14 97.91
06-15 97.22
06-16 96.46
06-17 94.51
06-18 93.83
06-19 93.85
06-20 93.19
06-21 91.24
06-22 94.08
06-23 91.52
06-24 91.06
06-25 88.63
06-26 85.04
06-27 81.39
06-28 79.2
06-29 79.77
06-30 79.68
07-01 78.18
07-02 77.46
07-03 77.7
07-04 75.96
07-05 74.71
07-06 78.38
07-07 78.49
07-08 71.02
07-09 72.13
07-10 71.96
07-11 72.92
07-12 68.88
07-13 72.91
07-14 71.29
07-15 71.11
07-16 71.49
07-17 69.88
07-18 71.11
07-19 69.95
07-20 68.17
07-21 67.16
07-22 69.06
07-23 67.18
07-24 68.47
07-25 69.91
07-26 70.06
07-27 70.22
07-28 69.07
07-29 68.03
07-30 68.61
07-31 70.17
08-01 72.57
08-02 66.18
08-03 67.29
08-04 66.81
08-05 67.79
08-06 67.5
08-07 66.11
08-08 65.81
08-09 66.52
08-10 70.04
08-11 70.23
08-12 69.43
08-13 67.92
08-14 70.0
08-15 69.73
08-16 68.76
08-17 67.24
08-18 64.62
08-19 67.19
08-20 65.16
08-21 65.39
08-22 66.79
08-23 65.53
08-24 71.0
08-25 72.03
08-26 67.68
08-27 65.91
08-28 67.05
08-29 65.3
08-30 65.03
08-31 64.12
09-01 63.39
09-02 61.96
09-03 62.83
09-04 63.74
09-05 63.33
09-06 68.26
09-07 68.29
09-08 66.23
09-09 66.44
09-10 70.59
09-11 63.54
09-12 65.92
09-13 62.67
09-14 65.76
09-15 64.86
09-16 64.8
09-17 63.51
09-18 60.36
09-19 68.68
09-20 67.68
09-21 68.07
09-22 69.59
09-23 67.97
09-24 62.06
09-25 62.82
09-26 66.52
09-27 64.94
09-28 62.96
09-29 58.76
09-30 58.41
10-01 52.08
10-02 47.66
10-03 48.29
10-04 47.98
10-05 49.17
10-06 45.84
10-07 44.93
10-08 44.14
10-09 45.58
10-10 45.31
10-11 44.52
10-12 43.87
10-13 43.69
10-14 43.92
10-15 44.49
10-16 44.71
10-17 43.63
10-18 44.14
10-19 43.83
10-20 44.15
10-21 43.94
10-22 43.49
10-23 43.84
10-24 43.39
10-25 43.33
10-26 43.58
10-27 43.46
10-28 43.67
10-29 43.62
10-30 43.12
10-31 43.04
11-01 43.27
11-02 44.04
11-03 42.22
11-04 44.12
11-05 43.02
11-06 42.94
11-07 42.95
11-08 43.71
11-09 43.43
11-10 43.57
11-11 42.25
11-12 41.01
11-13 41.18
11-14 41.41
11-15 42.56
11-16 41.03
11-17 40.84
11-18 42.38
11-19 43.75
11-20 43.21
11-21 42.98
11-22 43.06
11-23 42.78
11-24 43.27
11-25 42.45
11-26 41.12
11-27 42.45
11-28 42.72
11-29 43.91
11-30 43.92
12-01 43.85
12-02 44.27
12-03 45.56
12-04 44.65
12-05 67.63
12-06 49.85
12-07 45.19
12-08 44.8
12-09 44.34
12-10 42.15
12-11 44.2
12-12 44.02
12-13 49.55
12-14 55.46
12-15 47.4
12-16 45.15
12-17 48.79
12-18 58.5
12-19 54.16
12-20 46.44
12-21 46.08
12-22 46.77
12-23 45.03
12-24 42.05
12-25 62.56
12-26 122.4
12-27 42.22
12-28 41.07
12-29 63.1
12-30 215.98
12-31 43.42

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index