Overview Realtime Historical Map View
Flood Watch
2026-08-15T22:00:00-06:00

* WHAT...Flash Flooding caused by excessive rainfall is possible. * WHERE...Portions of central and northeast Colorado, including the following areas; the southern Front Range Foothills, Palmer Divide area, I-25 corridor, and all of our eastern plains counties. * WHEN...From this afternoon through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional thunderstorms and heavy rainfall this afternoon, combined with the heavy rainfall from the past 3 days, will bring a threat for flash flooding this afternoon and evening. Stronger storms will be capable of producing 1 to 2 inches of rain in 30 minutes, with isolated areas receiving storm totals of 3+ inches.

Cache La Poudre River Near Greeley, Co. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017
01-01 97.96
01-02 89.73
01-03 87.2
01-04 79.48
01-05 73.12
01-06 75.56
01-07 73.25
01-08 69.05
01-09 72.43
01-10 69.63
01-11 79.7
01-12 77.82
01-13 74.98
01-14 70.9
01-15 79.95
01-16 80.78
01-17 84.88
01-18 89.4
01-19 94.1
01-20 97.87
01-21 106.0
01-22 91.0
01-23 81.03
01-24 84.72
01-25 83.46
01-26 90.79
01-27 95.04
01-28 94.36
01-29 91.05
01-30 86.01
01-31 74.55
02-01 79.09
02-02 89.56
02-03 104.59
02-04 106.86
02-05 103.97
02-06 106.29
02-07 97.64
02-08 97.39
02-09 95.48
02-10 96.07
02-11 90.01
02-12 90.86
02-13 89.91
02-14 82.64
02-15 85.69
02-16 100.86
02-17 96.43
02-18 90.1
02-19 99.51
02-20 90.79
02-21 84.11
02-22 87.33
02-23 85.12
02-24 83.91
02-25 88.89
02-26 86.24
02-27 90.68
02-28 91.34
02-29 106.45
03-01 105.27
03-02 105.89
03-03 113.15
03-04 109.71
03-05 100.56
03-06 116.0
03-07 109.39
03-08 96.64
03-09 109.91
03-10 109.73
03-11 108.87
03-12 107.39
03-13 108.6
03-14 110.47
03-15 127.95
03-16 118.33
03-17 119.04
03-18 123.01
03-19 133.44
03-20 128.19
03-21 125.51
03-22 125.23
03-23 121.2
03-24 119.14
03-25 124.04
03-26 121.2
03-27 130.74
03-28 121.24
03-29 139.17
03-30 128.59
03-31 109.41
04-01 113.09
04-02 109.57
04-03 111.89
04-04 117.84
04-05 111.97
04-06 105.41
04-07 105.72
04-08 110.07
04-09 108.27
04-10 106.54
04-11 107.36
04-12 114.5
04-13 121.13
04-14 101.01
04-15 109.9
04-16 114.81
04-17 100.18
04-18 106.2
04-19 98.23
04-20 92.82
04-21 79.09
04-22 91.11
04-23 78.06
04-24 88.66
04-25 80.77
04-26 86.24
04-27 83.93
04-28 95.5
04-29 125.4
04-30 107.5
05-01 124.99
05-02 132.29
05-03 254.43
05-04 199.29
05-05 234.82
05-06 262.14
05-07 275.84
05-08 250.56
05-09 355.47
05-10 403.11
05-11 265.6
05-12 331.03
05-13 394.43
05-14 408.5
05-15 351.02
05-16 365.84
05-17 446.09
05-18 515.94
05-19 611.18
05-20 623.33
05-21 572.55
05-22 554.54
05-23 564.89
05-24 602.8
05-25 638.24
05-26 671.5
05-27 708.11
05-28 678.17
05-29 682.85
05-30 560.46
05-31 658.08
06-01 635.39
06-02 641.14
06-03 556.14
06-04 618.24
06-05 738.36
06-06 712.59
06-07 799.16
06-08 910.05
06-09 765.55
06-10 847.74
06-11 715.25
06-12 673.35
06-13 719.15
06-14 561.79
06-15 459.69
06-16 398.34
06-17 355.71
06-18 384.34
06-19 474.45
06-20 449.93
06-21 337.7
06-22 323.54
06-23 355.3
06-24 332.56
06-25 312.74
06-26 261.51
06-27 251.44
06-28 140.79
06-29 98.65
06-30 93.69
07-01 58.26
07-02 166.38
07-03 121.65
07-04 86.33
07-05 65.91
07-06 112.92
07-07 95.43
07-08 95.31
07-09 91.89
07-10 118.38
07-11 141.53
07-12 105.44
07-13 96.43
07-14 57.91
07-15 60.69
07-16 83.66
07-17 57.49
07-18 66.0
07-19 57.07
07-20 56.69
07-21 99.29
07-22 86.71
07-23 69.86
07-24 74.21
07-25 61.12
07-26 60.54
07-27 69.36
07-28 72.47
07-29 76.26
07-30 68.09
07-31 81.76
08-01 82.26
08-02 102.01
08-03 78.37
08-04 75.96
08-05 99.17
08-06 73.48
08-07 81.42
08-08 85.44
08-09 76.57
08-10 112.54
08-11 107.38
08-12 78.88
08-13 66.04
08-14 70.11
08-15 69.54
08-16 63.1
08-17 66.36
08-18 60.09
08-19 64.77
08-20 63.13
08-21 60.12
08-22 63.54
08-23 103.06
08-24 97.97
08-25 114.58
08-26 122.21
08-27 107.25
08-28 110.79
08-29 121.36
08-30 120.84
08-31 128.12
09-01 106.93
09-02 58.03
09-03 65.63
09-04 60.93
09-05 67.57
09-06 109.83
09-07 90.21
09-08 90.19
09-09 112.04
09-10 114.2
09-11 113.23
09-12 98.58
09-13 83.32
09-14 82.15
09-15 73.41
09-16 67.83
09-17 81.61
09-18 80.2
09-19 73.17
09-20 82.2
09-21 73.91
09-22 61.87
09-23 83.86
09-24 106.76
09-25 93.05
09-26 82.4
09-27 74.24
09-28 81.2
09-29 73.01
09-30 81.81
10-01 72.38
10-02 75.2
10-03 86.33
10-04 84.54
10-05 79.85
10-06 75.17
10-07 78.45
10-08 97.33
10-09 98.99
10-10 88.33
10-11 84.76
10-12 134.52
10-13 72.52
10-14 120.54
10-15 129.7
10-16 74.48
10-17 101.54
10-18 87.45
10-19 86.39
10-20 94.78
10-21 84.67
10-22 111.59
10-23 157.77
10-24 181.16
10-25 208.28
10-26 249.68
10-27 270.59
10-28 241.6
10-29 233.0
10-30 180.82
10-31 157.55
11-01 115.83
11-02 131.0
11-03 107.36
11-04 122.54
11-05 113.65
11-06 110.2
11-07 127.84
11-08 109.44
11-09 116.08
11-10 105.63
11-11 114.44
11-12 95.95
11-13 109.96
11-14 105.88
11-15 104.0
11-16 103.04
11-17 102.59
11-18 97.38
11-19 83.81
11-20 91.64
11-21 93.14
11-22 89.59
11-23 77.4
11-24 73.14
11-25 85.7
11-26 78.68
11-27 95.6
11-28 96.49
11-29 87.13
11-30 89.89
12-01 97.42
12-02 101.03
12-03 101.67
12-04 102.23
12-05 100.99
12-06 106.47
12-07 107.27
12-08 99.28
12-09 109.43
12-10 117.13
12-11 123.59
12-12 113.38
12-13 128.2
12-14 120.24
12-15 103.06
12-16 120.8
12-17 120.83
12-18 120.4
12-19 118.66
12-20 111.8
12-21 120.6
12-22 119.09
12-23 115.79
12-24 108.1
12-25 110.79
12-26 101.93
12-27 101.27
12-28 102.6
12-29 103.98
12-30 93.48
12-31 93.32

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index