River stage
Last reported 2026-10-13 | NWS PRTC2
In brief
The Arkansas River at Portland, CO read 1.12 ft on Oct 13, 2026, 5.88 ft below action stage.
Source: National Weather Service gauge PRTC2
| Rank | Crest | Date |
|---|---|---|
| 1 | 12.94 ft | 2006-07-06 |
| 2 | 11.26 ft | 1976-08-02 |
| 3 | 10.09 ft | 1975-08-02 |
| 4 | 9.46 ft | 2013-09-12 |
| 5 | 8.93 ft | 1985-07-23 |
| 6 | 8.81 ft | 1991-08-12 |
| 7 | 8.51 ft | 1995-06-18 |
| 8 | 8.09 ft | 2015-06-18 |
Flood crests recorded at this gauge by the National Weather Service.
The river is bankfull.
Minor agricultural flooding occurs.
Minor Flood. Considerable lowland and meadow flooding occurs.
Water rises to railroad tracks on east side of Holcim Cement Plant.
Moderate Flood.
Major Flood Stage.
Flood waters reach base of railroad bridge near Holcim Cement Plant.
Flood waters flow into parking lot of Holcim Cement Plant.
Written by the local National Weather Service forecast office for this exact gauge.
Water 62 °F (17 °C) · 8 °F warmer than normal for this date · -3 °F in 24 hours
No. The Arkansas River at Portland is at 1.12 ft, 5.88 ft below action stage.
The National Weather Service sets action stage 7 ft, minor flooding 9 ft, moderate flooding 10 ft and major flooding 11 ft.
The highest crest on record is 12.94 ft, on 2006-07-06.
The water temperature at Portland, Arkansas River is 62 °F (16.8 °C), measured 7:30 pm by USGS, which is 8 °F warmer than normal for this date over the past ten years. It has fallen 3.1 °F in the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge PRTC2); daily history from the U.S. Geological Survey (site 07097000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.