Overview Realtime Historical Map View
Heat Advisory
2026-08-03T20:00:00-06:00

* WHAT...For northern El Paso county, 91 to 97. For southern El Paso county, 95 to 100. For eastern Fremont county, 100 to 103. For Pueblo county, 101 to 106. For the rest of the eastern plains withing the heat advisory, temperatures will be 104 to 109. * WHERE...Eastern Fremont, El Paso and Pueblo Counties including Pueblo, Colorado Springs and Canon City. Also Otero, Bent, Prowers counties. * WHEN...From 9 AM this morning to 8 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Arkansas River At Portland, Co. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017
01-01 532.8
01-02 562.17
01-03 1103.0
01-04 753.8
01-05 671.67
01-06 349.0
01-07 427.83
01-08 323.83
01-09 321.83
01-10 302.67
01-11 302.0
01-12 300.5
01-13 558.83
01-14 602.8
01-15 637.5
01-16 652.33
01-17 612.17
01-18 681.33
01-19 664.83
01-20 579.29
01-21 590.71
01-22 568.86
01-23 555.5
01-24 551.83
01-25 510.38
01-26 575.0
01-27 411.71
01-28 358.38
01-29 337.75
01-30 347.25
01-31 717.56
02-01 412.67
02-02 395.78
02-03 358.63
02-04 339.0
02-05 310.38
02-06 283.0
02-07 308.44
02-08 307.44
02-09 332.22
02-10 357.33
02-11 329.11
02-12 340.78
02-13 340.89
02-14 454.43
02-15 447.14
02-16 451.11
02-17 552.14
02-18 473.38
02-19 500.67
02-20 481.22
02-21 465.89
02-22 469.33
02-23 348.13
02-24 352.71
02-25 315.86
02-26 361.13
02-27 340.44
02-28 334.0
02-29 371.5
03-01 339.29
03-02 321.89
03-03 316.13
03-04 333.88
03-05 308.13
03-06 305.25
03-07 292.75
03-08 276.43
03-09 288.88
03-10 280.29
03-11 290.78
03-12 290.0
03-13 307.11
03-14 329.0
03-15 350.75
03-16 349.67
03-17 304.71
03-18 346.63
03-19 351.75
03-20 354.75
03-21 355.88
03-22 443.6
03-23 372.75
03-24 309.17
03-25 360.88
03-26 366.14
03-27 357.0
03-28 344.5
03-29 343.17
03-30 364.25
03-31 344.57
04-01 345.38
04-02 325.5
04-03 315.75
04-04 304.13
04-05 323.43
04-06 324.13
04-07 297.43
04-08 326.88
04-09 243.71
04-10 305.44
04-11 311.88
04-12 308.75
04-13 277.88
04-14 240.0
04-15 278.88
04-16 279.63
04-17 299.67
04-18 307.78
04-19 309.22
04-20 321.67
04-21 280.86
04-22 268.43
04-23 289.38
04-24 285.63
04-25 289.22
04-26 315.75
04-27 296.88
04-28 298.5
04-29 336.75
04-30 345.25
05-01 317.0
05-02 287.57
05-03 352.17
05-04 359.86
05-05 447.0
05-06 509.0
05-07 465.63
05-08 468.14
05-09 453.33
05-10 618.83
05-11 656.57
05-12 717.14
05-13 741.29
05-14 718.5
05-15 600.4
05-16 776.17
05-17 1063.67
05-18 1035.63
05-19 1142.33
05-20 1131.13
05-21 1113.75
05-22 1120.25
05-23 950.86
05-24 1070.0
05-25 1088.71
05-26 1132.0
05-27 1052.86
05-28 1111.88
05-29 1165.63
05-30 1288.75
05-31 1416.75
06-01 1516.75
06-02 1407.14
06-03 1746.5
06-04 1836.43
06-05 1797.25
06-06 1809.0
06-07 1994.14
06-08 1791.86
06-09 1902.38
06-10 1998.71
06-11 1812.75
06-12 1739.13
06-13 1712.88
06-14 1621.38
06-15 1475.14
06-16 1490.5
06-17 1563.5
06-18 1599.63
06-19 1611.63
06-20 1594.0
06-21 1747.86
06-22 1734.29
06-23 1531.87
06-24 1520.29
06-25 1297.0
06-26 1403.43
06-27 1269.63
06-28 1284.29
06-29 1206.86
06-30 1024.75
07-01 1008.5
07-02 968.29
07-03 896.0
07-04 868.36
07-05 854.13
07-06 914.33
07-07 794.43
07-08 801.2
07-09 724.85
07-10 703.5
07-11 700.57
07-12 705.63
07-13 807.0
07-14 716.56
07-15 799.13
07-16 903.2
07-17 1014.5
07-18 934.22
07-19 927.38
07-20 863.22
07-21 697.66
07-22 948.76
07-23 961.29
07-24 1175.67
07-25 919.56
07-26 948.56
07-27 871.1
07-28 719.14
07-29 836.56
07-30 1165.33
07-31 933.38
08-01 995.17
08-02 755.29
08-03 946.14
08-04 859.86
08-05 967.57
08-06 825.75
08-07 783.75
08-08 844.13
08-09 791.88
08-10 848.14
08-11 684.14
08-12 716.0
08-13 711.0
08-14 660.29
08-15 693.25
08-16 641.0
08-17 607.57
08-18 548.43
08-19 517.63
08-20 472.0
08-21 377.67
08-22 435.75
08-23 417.0
08-24 415.13
08-25 419.5
08-26 525.71
08-27 464.5
08-28 426.13
08-29 410.86
08-30 388.29
08-31 388.14
09-01 358.14
09-02 291.14
09-03 291.29
09-04 276.0
09-05 275.0
09-06 311.14
09-07 296.0
09-08 259.29
09-09 275.86
09-10 273.25
09-11 283.57
09-12 270.5
09-13 273.33
09-14 255.63
09-15 285.5
09-16 242.14
09-17 261.0
09-18 259.0
09-19 264.86
09-20 238.5
09-21 221.5
09-22 226.86
09-23 252.5
09-24 270.25
09-25 252.38
09-26 244.71
09-27 245.86
09-28 267.67
09-29 243.29
09-30 248.86
10-01 266.0
10-02 262.43
10-03 276.43
10-04 279.13
10-05 309.0
10-06 296.14
10-07 286.13
10-08 306.33
10-09 271.88
10-10 302.71
10-11 298.5
10-12 251.5
10-13 305.33
10-14 312.0
10-15 274.2
10-16 370.17
10-17 286.29
10-18 364.86
10-19 336.71
10-20 294.2
10-21 318.38
10-22 283.33
10-23 334.71
10-24 287.43
10-25 316.5
10-26 366.14
10-27 314.0
10-28 409.29
10-29 339.0
10-30 362.14
10-31 419.29
11-01 351.43
11-02 430.86
11-03 404.86
11-04 417.71
11-05 387.67
11-06 414.43
11-07 427.0
11-08 424.71
11-09 429.86
11-10 415.14
11-11 455.2
11-12 331.8
11-13 409.14
11-14 413.63
11-15 403.63
11-16 401.38
11-17 354.14
11-18 411.38
11-19 365.14
11-20 362.67
11-21 393.29
11-22 366.83
11-23 361.33
11-24 311.4
11-25 423.33
11-26 364.0
11-27 384.14
11-28 393.14
11-29 385.43
11-30 360.0
12-01 295.6
12-02 379.43
12-03 370.29
12-04 369.14
12-05 373.71
12-06 373.57
12-07 355.0
12-08 304.2
12-09 293.4
12-10 292.0
12-11 340.67
12-12 365.14
12-13 335.4
12-14 347.57
12-15 329.83
12-16 324.83
12-17 292.2
12-18 348.57
12-19 361.43
12-20 319.67
12-21 340.57
12-22 345.43
12-23 327.17
12-24 321.0
12-25 340.43
12-26 329.17
12-27 322.5
12-28 320.17
12-29 297.17
12-30 317.4
12-31 407.83

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index