Overview Realtime Historical Map View
Flood Watch
2026-09-18T00:00:00-06:00

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of southwest Colorado, including the following areas, Animas River Basin, Four Corners/Upper Dolores River, Northwest San Juan Mountains, San Juan River Basin and Southwest San Juan Mountains. * WHEN...From noon MDT today through Thursday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. This also includes the Gold Mountain, Elk and Ferris burn scars as well as areas of steep, susceptible terrain. * ADDITIONAL DETAILS... - Recent heavy rainfall in southwest Colorado has led to already saturated ground. In addition, multiple rounds of showers and thunderstorms are expected Wednesday afternoon through Thursday evening producing periods of heavy rainfall and potential flash flooding. - http://www.weather.gov/safety/flood

Mcelmo Creek Near Colorado-Utah State Line 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 14.9
01-02 14.3
01-03 20.7
01-04 25.15
01-05 20.55
01-06 18.9
01-07 21.6
01-08 19.95
01-09 22.05
01-10 20.1
01-11 16.75
01-12 17.6
01-14 17.6
01-16 29.0
01-17 18.0
01-18 14.0
01-19 14.0
01-20 19.5
01-21 19.5
01-24 24.0
01-25 25.37
01-26 26.03
01-27 244.88
01-28 119.5
01-29 56.13
01-30 34.95
01-31 28.25
02-01 30.4
02-02 29.73
02-03 31.75
02-04 28.74
02-05 30.28
02-06 22.6
02-07 23.14
02-08 23.85
02-09 23.84
02-10 22.86
02-11 22.23
02-12 20.28
02-13 20.09
02-14 22.0
02-15 25.72
02-16 23.29
02-17 18.72
02-18 27.92
02-19 20.58
02-20 29.74
02-21 26.73
02-22 26.15
02-23 29.95
02-24 29.67
02-25 27.63
02-26 24.54
02-27 24.95
02-28 21.75
02-29 26.52
03-01 23.81
03-02 24.48
03-03 27.68
03-04 35.02
03-05 36.1
03-06 29.31
03-07 28.64
03-08 33.23
03-09 31.89
03-10 31.14
03-11 28.25
03-12 37.99
03-13 57.81
03-14 74.08
03-15 39.16
03-16 46.39
03-17 52.75
03-18 34.96
03-19 28.6
03-20 25.7
03-21 31.68
03-22 37.34
03-23 49.08
03-24 43.24
03-25 31.12
03-26 28.9
03-27 26.27
03-28 24.32
03-29 22.97
03-30 21.15
03-31 22.04
04-01 19.99
04-02 19.32
04-03 20.06
04-04 18.98
04-05 19.0
04-06 15.86
04-07 15.03
04-08 14.33
04-09 13.01
04-10 13.15
04-11 14.61
04-12 13.7
04-13 12.45
04-14 12.5
04-15 10.37
04-16 10.5
04-17 10.0
04-18 8.88
04-19 7.75
04-20 7.69
04-21 8.11
04-22 7.73
04-23 7.56
04-24 6.35
04-25 6.39
04-26 5.65
04-27 5.4
04-28 6.23
04-29 6.1
04-30 7.84
05-01 9.35
05-02 9.16
05-03 9.9
05-04 9.36
05-05 8.46
05-06 8.69
05-07 11.04
05-08 13.15
05-09 10.96
05-10 12.71
05-11 16.43
05-12 18.26
05-13 15.43
05-14 10.15
05-15 11.98
05-16 13.93
05-17 14.11
05-18 15.08
05-19 17.55
05-20 28.93
05-21 30.03
05-22 29.38
05-23 30.93
05-24 26.57
05-25 22.24
05-26 25.7
05-27 21.12
05-28 17.13
05-29 16.11
05-30 14.93
05-31 14.89
06-01 15.04
06-02 16.59
06-03 18.03
06-04 19.67
06-05 19.03
06-06 21.28
06-07 34.66
06-08 25.98
06-09 23.43
06-10 21.14
06-11 22.12
06-12 18.28
06-13 18.87
06-14 16.9
06-15 18.7
06-16 18.36
06-17 19.03
06-18 21.03
06-19 20.44
06-20 18.1
06-21 17.39
06-22 15.93
06-23 12.1
06-24 11.35
06-25 10.55
06-26 11.36
06-27 13.31
06-28 12.25
06-29 10.44
06-30 8.88
07-01 9.49
07-02 8.94
07-03 8.82
07-04 8.52
07-05 14.25
07-06 11.68
07-07 12.93
07-08 12.1
07-09 14.76
07-10 14.33
07-11 13.85
07-12 13.38
07-13 17.51
07-14 22.21
07-15 19.46
07-16 26.11
07-17 24.95
07-18 17.36
07-19 21.13
07-20 20.14
07-21 29.95
07-22 26.72
07-23 40.36
07-24 26.67
07-25 21.62
07-26 29.73
07-27 28.1
07-28 44.18
07-29 33.84
07-30 41.07
07-31 42.75
08-01 39.77
08-02 33.5
08-03 36.68
08-04 33.67
08-05 30.06
08-06 38.71
08-07 33.55
08-08 33.64
08-09 32.53
08-10 25.7
08-11 39.35
08-12 27.32
08-13 25.4
08-14 22.17
08-15 28.93
08-16 35.17
08-17 27.78
08-18 24.85
08-19 38.95
08-20 30.93
08-21 27.49
08-22 22.73
08-23 24.17
08-24 30.73
08-25 33.21
08-26 45.38
08-27 78.16
08-28 47.46
08-29 40.31
08-30 34.78
08-31 32.1
09-01 32.3
09-02 29.91
09-03 35.73
09-04 31.26
09-05 31.47
09-06 31.77
09-07 29.76
09-08 29.51
09-09 26.19
09-10 34.83
09-11 68.09
09-12 45.49
09-13 48.53
09-14 56.56
09-15 95.12
09-16 68.2
09-17 65.98
09-18 60.04
09-19 54.04
09-20 53.67
09-21 48.96
09-22 51.5
09-23 61.01
09-24 64.42
09-25 57.15
09-26 51.34
09-27 46.48
09-28 49.33
09-29 67.37
09-30 56.79
10-01 60.06
10-02 57.64
10-03 62.39
10-04 61.63
10-05 54.01
10-06 62.15
10-07 70.24
10-08 60.21
10-09 57.04
10-10 58.58
10-11 59.82
10-12 74.65
10-13 61.16
10-14 55.29
10-15 60.18
10-16 52.24
10-17 47.24
10-18 38.61
10-19 32.22
10-20 33.65
10-21 37.15
10-22 27.82
10-23 25.04
10-24 22.77
10-25 22.62
10-26 24.11
10-27 27.55
10-28 25.01
10-29 23.67
10-30 23.58
10-31 22.76
11-01 23.58
11-02 22.46
11-03 22.76
11-04 23.93
11-05 23.75
11-06 25.0
11-07 26.12
11-08 24.53
11-09 24.94
11-10 26.12
11-11 28.56
11-12 25.1
11-13 24.83
11-14 24.52
11-15 27.0
11-16 25.76
11-17 32.76
11-18 25.26
11-19 23.72
11-20 22.63
11-21 26.11
11-22 31.68
11-23 33.81
11-24 28.75
11-25 28.35
11-26 25.92
11-27 23.4
11-28 22.88
11-29 24.36
11-30 24.82
12-01 24.03
12-02 22.07
12-03 21.35
12-04 20.71
12-05 21.82
12-06 23.9
12-07 23.66
12-08 22.47
12-09 23.43
12-10 32.17
12-11 27.61
12-12 22.6
12-13 24.27
12-14 26.08
12-15 25.52
12-16 25.46
12-17 22.72
12-18 20.92
12-19 20.88
12-20 19.15
12-21 20.02
12-22 20.27
12-23 19.38
12-24 18.17
12-25 19.17
12-26 17.37
12-27 22.85
12-28 22.92
12-29 22.5
12-30 24.37
12-31 18.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index