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South Fork Palouse River at Pullman

Critical Stages
5.5' - Action
7' - Flood
8' - Moderate
9' - Major

Latest Observation

Updated: 11:15 AM PST 12/15/25

Status: No Flooding

Stage: 1.71 ft

Flow: 0.033 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
4 PM 12/15 1.81 0.04
10 PM 12/15 1.99 0.063
4 AM 12/16 2.07 0.074
10 AM 12/16 2.05 0.071
4 PM 12/16 1.99 0.063
10 PM 12/16 1.95 0.058
4 AM 12/17 2.22 0.1
10 AM 12/17 2.47 0.149
4 PM 12/17 2.52 0.159
10 PM 12/17 2.42 0.14
4 AM 12/18 2.32 0.119
10 AM 12/18 2.21 0.098
4 PM 12/18 2.2 0.096
10 PM 12/18 2.63 0.182
4 AM 12/19 3.29 0.368
10 AM 12/19 3.59 0.476
4 PM 12/19 3.6 0.48
10 PM 12/19 3.43 0.417
4 AM 12/20 3.18 0.332
10 AM 12/20 2.94 0.258
4 PM 12/20 2.75 0.209
10 PM 12/20 2.58 0.172
4 AM 12/21 2.46 0.148
10 AM 12/21 2.37 0.13
4 PM 12/21 2.3 0.115
10 PM 12/21 2.25 0.105
4 AM 12/22 2.2 0.096
10 AM 12/22 2.17 0.091
4 PM 12/22 2.16 0.089
10 PM 12/22 2.17 0.091
4 AM 12/23 2.16 0.089
10 AM 12/23 2.15 0.087
4 PM 12/23 2.15 0.087
10 PM 12/23 2.17 0.091
4 AM 12/24 2.18 0.093
10 AM 12/24 2.18 0.093
4 PM 12/24 2.18 0.093
10 PM 12/24 2.2 0.096
4 AM 12/25 2.47 0.149
TimeStage (ft)Flow (kcfs)
12:15 PM 12/15 1.6 0.026
12:00 PM 12/15 1.63 0.028
11:45 AM 12/15 1.66 0.03
11:30 AM 12/15 1.68 0.031
11:15 AM 12/15 1.71 0.033
11:00 AM 12/15 1.73 0.034
10:45 AM 12/15 1.73 0.034
10:30 AM 12/15 1.75 0.035
10:15 AM 12/15 1.75 0.035
10:00 AM 12/15 1.76 0.036
9:45 AM 12/15 1.76 0.036
9:30 AM 12/15 1.76 0.036
9:15 AM 12/15 1.74 0.035
9:00 AM 12/15 1.7 0.032
8:45 AM 12/15 1.68 0.031
8:30 AM 12/15 1.62 0.027
8:15 AM 12/15 1.53 0.023
8:00 AM 12/15 1.47 0.021
7:45 AM 12/15 1.45 0.02
7:30 AM 12/15 1.45 0.02
7:15 AM 12/15 1.46 0.021
7:00 AM 12/15 1.46 0.021
6:45 AM 12/15 1.46 0.021
6:30 AM 12/15 1.46 0.021
6:15 AM 12/15 1.46 0.021
6:00 AM 12/15 1.45 0.02
5:45 AM 12/15 1.45 0.02
5:30 AM 12/15 1.45 0.02
5:15 AM 12/15 1.45 0.02
5:00 AM 12/15 1.46 0.021
Hydrograph for South Fork Palouse River at Pullman
10' - Severe flooding of residential and business areas can be expected from Pullman downstream to Hooper.
9' - Water will be several feet deep on Main Street and inches deep on Grand Ave and other neighboring streets. Major flooding of businesses, homes, and roads along the river can be expected. Missouri Flat Creek will likely be out of its banks and flowing over Grand Ave, Stadium Way, and beginning to flood homes and businesses on Park Street. Paradise Cr and the river will approach homes and businesses on Professional Mall and Bleasner Drives. Equivalent to the February 1996 flood.
7' - Minor flooding in the residential and business areas along the river in and around Pullman can be expected. Ponding of water on portions of Grand Ave near Missouri Flat Creek. Flooding in portions of Spring Street Skate Park, the City Palyfields, and the Pullman RV Park.
6.5' - Water will be up to the bottom of the pedestrian bridge at Main and Pine Street. The low spot on Morton Street near Reaney Park will be flooded. Water will be up along the foundations of the older commercial buildings along Poplar Street near its intersection with State Street as well as the older buildings on Main Street bewteen Kamiaken and Paradise Streets. Flooding of pasture land downstream of Pullman.
4.5' - Minor flooding near the shoreline and bench at Riverfront Park in downtown Pullman.
DateStage (ft)
Mar 1, 1910 11.8
Feb 26, 1948 9.5
Jan 21, 1972 9.46
Feb 9, 1996 9.04
Jan 1, 1997 8.83
Feb 13, 1979 8.25
Feb 23, 2025 7.61
Dec 23, 1964 7.11
Mar 10, 2017 7.03
Mar 26, 2012 6.96
Feb 3, 1963 6.91
Apr 9, 2019 6.9
Jan 24, 1959 6.5
Jan 15, 1974 6.34
Jan 8, 2009 6.05
Jan 13, 1973 6
Dec 22, 1933 6
Dec 28, 2023 5.83
Jan 16, 2011 5.75
Jan 7, 1969 5.25

Data provided by the National Weather Service.