Willamette River at Harrisburg
Critical Stages
10.8' - Action
14' - Flood
16' - Moderate
17' - Major
Latest Observation
Updated: 4:30 AM PST 12/5/25
Status: No Flooding
Stage: 1.61 ft
Flow: 3.76 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/5 | 1.77 | 4.03 |
| 4 PM 12/5 | 2.42 | 5.27 |
| 10 PM 12/5 | 3.37 | 7.32 |
| 4 AM 12/6 | 4.17 | 9.2 |
| 10 AM 12/6 | 4.61 | 10.4 |
| 4 PM 12/6 | 4.62 | 10.4 |
| 10 PM 12/6 | 4.57 | 10.3 |
| 4 AM 12/7 | 4.65 | 10.5 |
| 10 AM 12/7 | 4.61 | 10.4 |
| 4 PM 12/7 | 4.5 | 10.1 |
| 10 PM 12/7 | 4.48 | 10 |
| 4 AM 12/8 | 4.55 | 10.2 |
| 10 AM 12/8 | 4.64 | 10.5 |
| 4 PM 12/8 | 4.67 | 10.6 |
| 10 PM 12/8 | 4.77 | 10.8 |
| 4 AM 12/9 | 4.94 | 11.3 |
| 10 AM 12/9 | 5.12 | 11.9 |
| 4 PM 12/9 | 5.65 | 13.5 |
| 10 PM 12/9 | 6.32 | 15.9 |
| 4 AM 12/10 | 6.82 | 17.8 |
| 10 AM 12/10 | 7.18 | 19.3 |
| 4 PM 12/10 | 7.56 | 20.9 |
| 10 PM 12/10 | 7.91 | 22.4 |
| 4 AM 12/11 | 8.13 | 23.4 |
| 10 AM 12/11 | 8.23 | 23.9 |
| 4 PM 12/11 | 8.29 | 24.2 |
| 10 PM 12/11 | 8.25 | 24 |
| 4 AM 12/12 | 8.05 | 23.1 |
| 10 AM 12/12 | 7.88 | 22.3 |
| 4 PM 12/12 | 7.75 | 21.7 |
| 10 PM 12/12 | 7.66 | 21.3 |
| 4 AM 12/13 | 7.65 | 21.3 |
| 10 AM 12/13 | 7.7 | 21.5 |
| 4 PM 12/13 | 7.79 | 21.9 |
| 10 PM 12/13 | 7.83 | 22.1 |
| 4 AM 12/14 | 7.82 | 22 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:30 AM 12/5 | 1.61 | 3.76 |
| 4:15 AM 12/5 | 1.6 | 3.74 |
| 4:00 AM 12/5 | 1.62 | 3.77 |
| 3:45 AM 12/5 | 1.61 | 3.76 |
| 3:30 AM 12/5 | 1.59 | 3.72 |
| 3:15 AM 12/5 | 1.62 | 3.77 |
| 3:00 AM 12/5 | 1.61 | 3.76 |
| 2:45 AM 12/5 | 1.61 | 3.76 |
| 2:30 AM 12/5 | 1.61 | 3.76 |
| 2:15 AM 12/5 | 1.61 | 3.76 |
| 2:00 AM 12/5 | 1.61 | 3.76 |
| 1:45 AM 12/5 | 1.62 | 3.77 |
| 1:30 AM 12/5 | 1.62 | 3.77 |
| 1:15 AM 12/5 | 1.61 | 3.76 |
| 1:00 AM 12/5 | 1.62 | 3.77 |
| 12:45 AM 12/5 | 1.59 | 3.72 |
| 12:30 AM 12/5 | 1.58 | 3.71 |
| 12:15 AM 12/5 | 1.59 | 3.72 |
| 12:00 AM 12/5 | 1.61 | 3.76 |
| 11:45 PM 12/4 | 1.61 | 3.76 |
| 11:30 PM 12/4 | 1.62 | 3.77 |
| 11:15 PM 12/4 | 1.6 | 3.74 |
| 11:00 PM 12/4 | 1.6 | 3.74 |
| 10:45 PM 12/4 | 1.61 | 3.76 |
| 10:30 PM 12/4 | 1.6 | 3.74 |
| 10:15 PM 12/4 | 1.6 | 3.74 |
| 10:00 PM 12/4 | 1.61 | 3.76 |
| 9:45 PM 12/4 | 1.6 | 3.74 |
| 9:30 PM 12/4 | 1.6 | 3.74 |
| 9:15 PM 12/4 | 1.61 | 3.76 |
20' -
expect widespread and major flooding from north of Eugene to Harrisburg. Numerous small communites and developed areas historically flood near this level.
18' -
expect flooding of some homes and widespread lowland flooding. Highway 99E may be flooded and closed in numerous locations at this level.
17' -
major flood stage, Expect widespread flooding along the Willamette between Eugene and Albany, including several stretches of Hwy 99E in the vicinity of Harrisburg.
16' -
expect widespread low land flooding mainly west of the river. Portions of Highway 99E may be flooded. Historically, flooding near the Harrisburg Bridge has occurred at this and higher stages.
15' -
low parts of Highway 99E begin to flood. Expect widespread low land flooding along the Willamette River in the Harrisburg vicinity.
14' -
expect minor flooding along the Willamette River, mainly concentrated along the western banks.
12' -
sloughs in the Harrisburg vicinity begin to fill, and fields along west bank of the Willamette begin to flood.
| Date | Stage (ft) |
|---|---|
| Dec 4, 1861 | 23 |
| Jan 1, 1943 | 21.1 |
| Dec 29, 1945 | 19.69 |
| Jan 7, 1948 | 18.75 |
| Dec 31, 1942 | 18.4 |
| Oct 30, 1950 | 18.03 |
| Jan 19, 1953 | 18 |
| Mar 19, 1932 | 18 |
| Dec 15, 1946 | 17.9 |
| Feb 11, 1961 | 17.57 |
| Dec 23, 1964 | 17.25 |
| Apr 1, 1931 | 17 |
| Dec 26, 1955 | 16.25 |
| Nov 19, 1996 | 15.56 |
| Apr 9, 2019 | 15.28 |
| Jan 18, 1951 | 15 |
| Dec 7, 1981 | 14.99 |
| Jan 21, 1972 | 14.71 |
| Feb 8, 1996 | 14.7 |
| Jan 18, 2006 | 14.55 |
Data provided by the National Weather Service.
