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Flood Warning
2026-11-06T00:00:00-07:00

...The National Weather Service in Pueblo has issued a Flood Warning for the following rivers in Colorado... Rio Grande At Alamosa affecting Alamosa County. .Minor flooding along the Rio Grande through Alamosa is expected due to upstream flooding occurring in the vicinity of Monte Vista. For the Rio Grande...including Alamosa...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Rio Grande at Alamosa. * WHEN...From Wednesday afternoon to late Thursday night. * IMPACTS...At 9.0 feet, Minor flooding. Minor agricultural flooding in low lying areas along the river. * ADDITIONAL DETAILS... - At 2:30 PM MST Monday the stage was 2.7 feet. - Bankfull stage is 7.0 feet. - Forecast...The river is expected to rise above flood stage early Wednesday afternoon to a crest of 9.6 feet late Wednesday evening. It will then fall below flood stage early Thursday afternoon. - Flood stage is 9.0 feet. - http://www.water.noaa.gov

Rio Grande At Alamosa, Co. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
01-01 303.62
01-02 301.85
01-03 304.5
01-04 308.62
01-05 310.46
01-06 321.58
01-07 315.69
01-08 318.54
01-09 327.77
01-10 336.15
01-11 332.77
01-12 327.77
01-13 330.15
01-14 339.62
01-15 321.22
01-16 319.93
01-17 325.86
01-18 328.14
01-19 328.57
01-20 306.93
01-21 307.67
01-22 308.07
01-23 330.29
01-24 327.0
01-25 301.75
01-26 301.08
01-27 300.15
01-28 300.2
01-29 300.08
01-30 296.01
01-31 303.6
02-01 305.54
02-02 323.07
02-03 329.76
02-04 323.37
02-05 314.07
02-06 315.33
02-07 307.37
02-08 300.78
02-09 299.19
02-10 330.07
02-11 296.6
02-12 290.78
02-13 298.72
02-14 285.81
02-15 284.08
02-16 286.13
02-17 264.48
02-18 256.83
02-19 251.72
02-20 249.95
02-21 254.95
02-22 252.45
02-23 242.89
02-24 242.28
02-25 241.33
02-26 248.35
02-27 246.31
02-28 245.59
02-29 254.25
03-01 253.2
03-02 243.53
03-03 250.38
03-04 247.0
03-05 240.94
03-06 241.06
03-07 243.19
03-08 240.67
03-09 258.81
03-10 255.87
03-11 262.82
03-12 274.33
03-13 277.63
03-14 285.63
03-15 299.06
03-16 313.12
03-17 333.27
03-18 352.8
03-19 362.88
03-20 356.88
03-21 361.53
03-22 365.38
03-23 363.75
03-24 376.33
03-25 357.53
03-26 353.19
03-27 359.48
03-28 363.26
03-29 427.92
03-30 351.07
03-31 350.37
04-01 340.63
04-02 292.1
04-03 224.93
04-04 187.67
04-05 166.56
04-06 129.48
04-07 117.77
04-08 112.18
04-09 107.91
04-10 94.65
04-11 90.57
04-12 93.68
04-13 96.01
04-14 96.03
04-15 105.74
04-16 110.89
04-17 133.17
04-18 139.43
04-19 157.53
04-20 156.24
04-21 148.73
04-22 140.0
04-23 162.93
04-24 151.16
04-25 148.49
04-26 165.69
04-27 177.81
04-28 144.52
04-29 179.01
04-30 198.36
05-01 194.54
05-02 163.84
05-03 227.94
05-04 219.67
05-05 231.02
05-06 228.04
05-07 223.55
05-08 237.05
05-09 218.58
05-10 261.06
05-11 241.74
05-12 185.62
05-13 202.35
05-14 224.11
05-15 244.3
05-16 287.85
05-17 335.24
05-18 305.37
05-19 178.92
05-20 318.56
05-21 236.47
05-22 306.51
05-23 272.87
05-24 319.15
05-25 289.69
05-26 242.25
05-27 279.3
05-28 288.51
05-29 295.15
05-30 311.32
05-31 312.93
06-01 339.15
06-02 290.46
06-03 345.52
06-04 328.3
06-05 337.05
06-06 346.7
06-07 365.93
06-08 403.7
06-09 396.53
06-10 328.37
06-11 450.06
06-12 385.74
06-13 295.51
06-14 439.05
06-15 437.3
06-16 263.75
06-17 375.57
06-18 384.11
06-19 364.93
06-20 333.46
06-21 344.07
06-22 339.59
06-23 331.7
06-24 320.26
06-25 190.07
06-26 317.58
06-27 186.53
06-28 293.98
06-29 296.51
06-30 281.21
07-01 287.68
07-02 297.0
07-03 313.83
07-04 202.29
07-05 298.26
07-06 317.9
07-07 280.45
07-08 156.4
07-09 248.68
07-10 256.52
07-11 272.67
07-12 226.67
07-13 224.57
07-14 135.1
07-15 194.26
07-16 155.66
07-17 180.91
07-18 162.69
07-19 168.45
07-20 154.62
07-21 108.59
07-22 165.1
07-23 162.28
07-24 141.95
07-25 128.77
07-26 142.8
07-27 146.54
07-28 105.52
07-29 146.96
07-30 144.41
07-31 152.39
08-01 87.67
08-02 141.28
08-03 156.12
08-04 88.25
08-05 150.39
08-06 137.89
08-07 149.78
08-08 126.17
08-09 130.16
08-10 143.89
08-11 82.68
08-12 127.36
08-13 136.34
08-14 72.83
08-15 114.92
08-16 70.48
08-17 71.35
08-18 66.18
08-19 96.23
08-20 94.28
08-21 63.54
08-22 77.81
08-23 86.28
08-24 96.49
08-25 65.24
08-26 89.89
08-27 85.46
08-28 86.07
08-29 64.59
08-30 69.17
08-31 75.57
09-01 53.96
09-02 69.51
09-03 67.31
09-04 70.62
09-05 57.35
09-06 55.88
09-07 66.39
09-08 53.12
09-09 66.88
09-10 64.16
09-11 63.33
09-12 70.05
09-13 63.4
09-14 72.99
09-15 72.58
09-16 86.7
09-17 79.48
09-18 75.76
09-19 83.9
09-20 89.35
09-21 81.21
09-22 72.43
09-23 76.9
09-24 98.45
09-25 84.2
09-26 84.7
09-27 92.5
09-28 96.51
09-29 100.02
09-30 109.73
10-01 127.05
10-02 107.73
10-03 99.07
10-04 101.04
10-05 106.61
10-06 94.65
10-07 92.71
10-08 95.57
10-09 88.03
10-10 89.06
10-11 85.98
10-12 103.21
10-13 110.91
10-14 103.76
10-15 117.53
10-16 147.07
10-17 123.29
10-18 94.13
10-19 86.52
10-20 92.88
10-21 86.19
10-22 87.52
10-23 90.57
10-24 112.65
10-25 139.31
10-26 282.39
10-27 283.03
10-28 185.68
10-29 108.66
10-30 87.24
10-31 85.42
11-01 81.03
11-02 160.3
11-03 274.28
11-04 309.22
11-05 257.76
11-06 236.54
11-07 259.85
11-08 218.19
11-09 229.6
11-10 205.54
11-11 206.83
11-12 216.68
11-13 201.07
11-14 197.26
11-15 193.94
11-16 210.65
11-17 225.94
11-18 220.22
11-19 219.27
11-20 220.68
11-21 231.82
11-22 239.34
11-23 233.92
11-24 228.11
11-25 228.31
11-26 231.14
11-27 251.29
11-28 251.0
11-29 252.86
11-30 257.36
12-01 253.92
12-02 242.43
12-03 268.36
12-04 271.0
12-05 277.29
12-06 284.86
12-07 267.86
12-08 262.31
12-09 257.0
12-10 255.62
12-11 274.14
12-12 269.08
12-13 281.77
12-14 277.43
12-15 269.67
12-16 274.08
12-17 293.0
12-18 291.57
12-19 291.29
12-20 290.86
12-21 290.07
12-22 287.71
12-23 295.71
12-24 306.58
12-25 298.71
12-26 298.0
12-27 300.54
12-28 302.08
12-29 294.23
12-30 292.33
12-31 306.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index