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Flood Watch
2026-07-17T00:00:00-06:00

The Flood Watch for flash flooding has been expanded to include Friday afternoon and evening for portions of southwest and south central Utah. Flood Watches for flash flooding continue for this afternoon and evening for a large portion of southern Utah. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Utah, including the following areas, San Rafael Swell, Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell and Western Canyonlands. * WHEN...Through this evening. * IMPACTS...Excessive rainfall may result in flooding of slot canyons, normally dry washes, slick rock areas, recent burn scars, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

San Rafael River At Mouth Near Green River Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019
01-11 8.9
01-12 9.85
01-13 8.9
01-14 8.3
01-15 7.43
01-16 7.43
01-17 9.85
01-18 12.6
01-19 20.3
01-20 16.6
01-21 11.5
01-22 13.4
01-23 9.21
01-24 8.59
01-25 7.16
01-26 8.9
01-27 10.5
01-28 22.2
01-29 5.38
01-30 6.11
01-31 8.0
02-01 18.9
02-02 22.2
02-09 35.5
02-10 36.1
02-12 39.5
02-13 26.65
02-14 30.45
02-15 26.7
02-16 25.25
02-17 26.2
02-18 26.6
02-19 25.05
02-20 22.15
02-21 20.75
02-22 20.15
02-23 18.6
02-24 18.2
02-25 18.23
02-26 20.8
02-27 20.75
02-28 35.66
02-29 50.9
03-01 30.68
03-02 31.58
03-03 34.58
03-04 30.9
03-05 33.82
03-06 32.62
03-07 32.24
03-08 32.26
03-09 32.13
03-10 30.59
03-11 32.76
03-12 40.01
03-13 39.76
03-14 52.21
03-15 44.89
03-16 42.64
03-17 40.74
03-18 38.6
03-19 35.58
03-20 31.63
03-21 31.88
03-22 31.06
03-23 33.35
03-24 54.03
03-25 46.14
03-26 35.9
03-27 31.92
03-28 30.05
03-29 28.78
03-30 27.49
03-31 26.11
04-01 31.14
04-02 33.19
04-03 32.2
04-04 30.97
04-05 31.18
04-06 32.38
04-07 34.51
04-08 35.23
04-09 27.36
04-10 32.5
04-11 33.91
04-12 32.19
04-13 35.7
04-14 39.32
04-15 42.81
04-16 47.34
04-17 59.26
04-18 74.13
04-19 76.06
04-20 85.78
04-21 91.34
04-22 94.53
04-23 95.99
04-24 94.45
04-25 85.45
04-26 89.46
04-27 94.06
04-28 95.87
04-29 102.77
04-30 106.41
05-01 113.67
05-02 108.1
05-03 103.6
05-04 93.91
05-05 77.38
05-06 74.92
05-07 75.32
05-08 72.03
05-09 77.12
05-10 78.86
05-11 81.22
05-12 81.09
05-13 77.04
05-14 33.96
05-15 98.44
05-16 107.39
05-17 126.58
05-18 124.32
05-19 127.54
05-20 142.74
05-21 121.88
05-22 130.95
05-23 140.79
05-24 136.57
05-25 136.77
05-26 145.78
05-27 140.58
05-28 140.67
05-29 142.51
05-30 140.48
05-31 138.2
06-01 136.35
06-02 136.69
06-03 143.26
06-04 173.99
06-05 179.02
06-06 208.99
06-07 219.79
06-08 239.03
06-09 254.75
06-10 259.58
06-11 302.18
06-12 262.46
06-13 240.66
06-14 254.18
06-15 259.9
06-16 291.58
06-17 320.84
06-18 350.46
06-19 368.54
06-20 376.96
06-21 387.01
06-22 387.22
06-23 359.61
06-24 350.15
06-25 324.14
06-26 217.91
06-27 249.16
06-28 219.17
06-29 257.78
06-30 247.97
07-01 241.58
07-02 236.02
07-03 231.42
07-04 215.93
07-05 188.0
07-06 163.08
07-07 141.54
07-08 125.6
07-09 117.61
07-10 101.93
07-11 90.32
07-12 90.42
07-13 16.27
07-14 57.5
07-15 59.37
07-16 67.79
07-17 45.48
07-18 36.95
07-19 32.64
07-20 31.16
07-21 25.87
07-22 29.21
07-23 29.89
07-24 33.02
07-25 26.84
07-26 22.54
07-27 26.67
07-28 40.83
07-29 39.8
07-30 38.63
07-31 28.93
08-01 9.05
08-02 49.45
08-03 42.47
08-04 68.17
08-05 46.85
08-06 36.04
08-07 29.8
08-08 22.68
08-09 24.7
08-10 20.67
08-11 17.7
08-12 46.33
08-13 18.38
08-14 14.67
08-15 12.84
08-16 7.03
08-17 6.63
08-18 51.6
08-19 119.58
08-20 14.21
08-21 26.1
08-22 135.76
08-23 66.83
08-24 31.5
08-25 37.93
08-26 49.13
08-27 93.38
08-28 24.74
08-29 88.64
08-30 58.66
08-31 42.27
09-01 27.88
09-02 25.5
09-03 24.37
09-04 72.16
09-05 35.91
09-06 22.82
09-07 18.88
09-08 17.28
09-09 16.28
09-10 7.16
09-11 7.13
09-12 6.47
09-13 8.44
09-14 5.34
09-15 35.81
09-16 33.71
09-17 24.34
09-18 14.81
09-19 11.39
09-20 16.09
09-21 10.11
09-22 141.06
09-23 15.04
09-24 32.42
09-25 39.36
09-26 13.08
09-27 8.15
09-28 5.26
09-29 5.88
09-30 5.83
10-01 3.79
10-02 8.57
10-03 13.97
10-04 99.96
10-05 20.76
10-06 10.61
10-07 7.27
10-08 5.33
10-09 5.03
10-10 4.54
10-11 12.93
10-12 7.69
10-13 46.46
10-14 69.16
10-15 34.55
10-16 28.61
10-17 20.84
10-18 19.91
10-19 17.65
10-20 21.88
10-21 20.16
10-22 21.0
10-23 18.76
10-24 18.47
10-25 16.88
10-26 16.48
10-27 18.52
10-28 18.22
10-29 18.93
10-30 20.38
10-31 18.72
11-01 16.96
11-02 15.96
11-03 15.01
11-04 16.79
11-05 17.57
11-06 17.07
11-07 17.23
11-08 17.45
11-09 17.45
11-10 18.8
11-11 18.13
11-12 17.79
11-13 17.89
11-14 18.42
11-15 13.17
11-16 13.62
11-17 14.79
11-18 21.14
11-19 20.57
11-20 40.63
11-21 31.7
11-22 23.58
11-23 22.5
11-24 31.2
11-25 28.38
11-26 21.26
11-27 27.86
11-28 23.82
11-29 23.81
11-30 22.29
12-01 28.79
12-02 46.18
12-03 32.43
12-04 26.87
12-05 24.91
12-06 24.0
12-07 24.2
12-08 26.5
12-09 28.77
12-10 27.42
12-11 27.15
12-12 27.27
12-13 25.48
12-14 29.43
12-15 28.57
12-16 29.23
12-17 30.7
12-18 22.4
12-19 18.95
12-20 19.8
12-21 21.0
12-22 26.25
12-23 27.55
12-24 29.75
12-25 30.5
12-26 28.1
12-27 27.8
12-28 39.2
12-29 27.55
12-30 40.3
12-31 42.1

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index