Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2025-10-16 Forecast Period: October 16 to February 1
Sites in NWRFC Area:
Location	Flood Stage	Flood Flow	90% Flow	50% Flow	10% Flow	90% Stage	50% Stage	10% Stage

WHITE - AT MUD MOUNTAIN DAM		9000	3044	7522	18148
GREEN - HOWARD HANSON DAM			3099	7166	12570
BULLY CREEK - BULLY CREEK DAM			488	1339	3888
COWLITZ - MOSSYROCK RESERVOIR			11624	26264	47448
NISQUALLY - ALDER RESERVOIR			5469	14756	28806
SF COQUILLE - AT MYRTLE POINT	33.00	21398	10662	20534	48910	23.96	32.57	37.49
TEANAWAY - BELOW FORKS			599	2216	5170	11.82	13.30	14.81
BAKER - UPPER BAKER LAKE			8654	23456	40219
CEDAR - CHESTER MORSE LAKE			1292	4820	11768
SKAGIT - ROSS RESERVOIR			3225	10585	42873
SILVIES - NEAR BURNS	12.00	2565	51	51	483	1.41	1.41	4.27
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	104	179	698	2.28	2.59	3.88
NASELLE - NEAR NASELLE	15.00	7180	3070	5704	12842	10.12	13.41	20.18
WILLAPA - NEAR WILLAPA	21.00	11383	3378	8270	15815	11.66	18.47	24.00
CHEHALIS - NEAR DOTY	318.00	12747	3833	8800	18972	312.09	315.66	321.12
NEWAUKUM - NEAR CHEHALIS	202.50	4606	2682	5310	10532	199.54	203.31	206.00
CHEHALIS - NEAR CENTRALIA	168.50	23709	8990	16527	29838	162.35	165.97	170.26
SKOOKUMCHUCK - NEAR BUCODA	211.50	3730	1448	3228	5504	207.51	210.71	213.42
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	1730	3566	5776	181.88	185.10	187.42
CHEHALIS - NEAR GRAND MOUND	141.00	19410	12998	21948	39244	138.58	141.78	144.07
CHEHALIS - AT PORTER	48.00	23088	14982	24881	39535	45.13	48.36	50.21
SATSOP - NEAR SATSOP	38.00	24304	12000	22172	32194	35.73	37.72	39.01
WYNOOCHEE - WYNOOCHEE DAM			4036	7160	12332
CALAWAH - NEAR FORKS			14315	21358	29780	13.55	16.28	19.13
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	5882	11054	22852	13.68	16.35	21.77
DUNGENESS - NEAR SEQUIM	7.00	4279	1095	2204	3564	4.54	5.60	6.57
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			5049	9952	13644	7.23	9.37	10.65
SF SKOKOMISH - NEAR UNION			8466	14848	21750	4.95	6.70	8.22
DESCHUTES - NEAR RAINIER	11.00	4810	1033	3605	5988	5.91	9.76	12.07
NISQUALLY - NEAR NATIONAL	9.81	8000	2490	6548	14438	7.18	9.31	11.60
MINERAL CREEK - NEAR MINERAL			1460	5076	9402	11.11	13.60	15.53
PUYALLUP - NEAR ORTING	9.88	10000	2135	7078	14766	7.18	9.14	10.96
CARBON - NEAR FAIRFAX	13.50	7214	1516	4810	9106	9.87	12.26	14.35
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.64	4000	602	2746	4790	25.98	29.12	31.20
WHITE - AT R STREET	115.12	7500	3393	7942	19534	113.19	115.30	116.64
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	451	1235	3428	6.17	8.74	13.70
SKYKOMISH - NEAR GOLD BAR	15.00	32013	17172	46076	80482	11.92	17.10	21.03
MF SNOQUALMIE - NEAR TANNER			4835	15654	41542	6.81	11.55	17.99
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			2674	5509	12666	6.42	8.39	11.47
SF SNOQUALMIE - NEAR GARCIA			1006	3319	8012	12.53	14.93	18.29
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	9503	26767	66357	9.80	15.38	19.68
PILCHUCK - NEAR SNOHOMISH	18.00	6541	2296	3964	6572	14.03	15.70	18.03
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	11797	16814	29020	8.77	10.86	14.78
STILLAGUAMISH - NEAR ARLINGTON	14.00	35100	23717	33222	53392	10.79	13.49	18.72
SAUK - NEAR SAUK			13976	34573	87410	7.86	10.79	17.35
SKAGIT - NEAR MT VERNON	28.00	65731	36252	68766	140024	21.22	28.67	38.59
SAMISH - NEAR BURLINGTON	11.24	3000	1030	1919	5173	8.34	10.04	13.65
NF NOOKSACK - NEAR GLACIER			2302	3875	8438	4.72	6.19	9.59
MF NOOKSACK - NEAR DEMING			1760	4580	12248	4.79	6.30	8.27
SF NOOKSACK - AT SAXON BRIDGE	8.00	12301	5212	8896	17914	4.86	6.66	9.89
NOOKSACK - AT CEDARVILLE	146.50	33121	12168	20210	35462	142.53	144.38	146.83
KOOTENAI - LIBBY DAM INFLOW			3000	3784	11181
FISHER - NEAR LIBBY	7.50	4389	60	512	1572	2.71	4.10	5.49
YAAK - NEAR TROY	8.00	6976	146	179	1292	3.08	3.19	4.95
MOYIE - AT EASTPORT	9.00	6904	98	98	166	3.48	3.48	3.73
CLARK FORK - AT DEER LODGE	6.00		162	167	177	2.73	2.74	2.77
CLARK FORK - NR DRUMMOND	8.00	5036	512	520	552	2.96	2.98	3.05
ROCK CREEK - NEAR CLINTON	9.00	6946	200	208	250	5.14	5.15	5.24
BLACKFOOT - NEAR BONNER	10.00	15449	408	408	646	1.76	1.76	2.17
CLARK FORK - ABOVE MISSOULA	7.50	12035	1134	1154	1335	2.42	2.43	2.56
BITTERROOT - NEAR DARBY	7.50	8122	294	334	810	1.84	1.94	2.81
BITTERROOT - NEAR MISSOULA	11.00	16639	903	1438	3215	3.32	3.84	5.21
CLARK FORK - BELOW MISSOULA	11.00	48603	1988	2582	4319	1.03	1.32	2.16
ST. REGIS - NEAR ST. REGIS	8.00	5620	171	194	401	2.24	2.31	2.83
CLARK FORK - AT ST REGIS	19.00	60626	2473	3466	5648	5.09	5.75	6.90
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	583	583	3478	1.59	1.59	3.96
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	297	297	1398	1.41	1.41	2.56
SF FLATHEAD - HUNGRY HORSE DAM			528	1796	5550
FLATHEAD - AT COLUMBIA FALLS	13.00	41795	3635	3860	8024	3.79	3.90	5.57
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	70	100	260	2.69	2.83	3.39
WHITEFISH - NEAR KALISPELL	5.40	1502	34	38	87	1.25	1.29	1.63
SWAN - NEAR BIGFORK	6.50	7054	567	832	1676	2.53	2.84	3.59
CLARK FORK - NEAR PLAINS	16.00	95805	10242	11468	16546	4.58	4.87	5.95
THOMPSON - NEAR THOMPSON FALLS	7.00	3728	181	232	800	2.87	3.00	3.90
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3242	53	224	891	0.82	2.03	3.96
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2057.50	2057.50	2057.50
PRIEST - NEAR PRIEST RIVER			1671	1671	1780	2.66	2.66	2.78
PEND OREILLE - ALBENI FALLS DAM		95000	22243	26668	29025
KETTLE - NEAR FERRY	18.50	14605	140	223	688	9.32	9.59	10.52
KETTLE - AT LAURIER			388	666	1438	3.00	3.50	4.51
COLVILLE - AT KETTLE FALLS			106	352	915	5.51	6.50	7.58
NF COEUR D ALENE - NEAR PRICHARD			411	978	2370	1.93	2.77	4.12
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	1871	3418	11916	59.85	61.42	66.83
COEUR D ALENE - AT CATALDO	43.00	18298	2647	5798	16766	34.97	37.54	42.59
ST JOE - AT CALDER	13.00	19055	2106	4166	11917	7.32	8.48	11.37
ST MARIES - NEAR SANTA			408	1016	3216	5.25	6.35	8.48
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2125.60	2125.60	2127.20
SPOKANE - AT SPOKANE	27.00	30670	5860	10216	16740	20.34	21.91	23.73
HANGMAN CREEK - AT SPOKANE	11.00	8206	492	2430	4722	3.28	5.91	7.74
LITTLE SPOKANE - AT DARTFORD	6.50	2275	208	386	956	2.80	3.48	4.92
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	25115	911	2006	8653	3.29	4.50	8.55
OKANOGAN - NEAR TONASKET	15.00	18277	1448	2539	8481	5.40	6.53	10.40
OKANOGAN - AT MALOTT			1446	2530	8410	3.60	4.55	8.09
METHOW - AT WINTHROP			352	593	2121	10.24	10.75	12.43
METHOW - NEAR PATEROS	10.00	18282	564	854	2712	2.09	2.53	4.23
STEHEKIN - AT STEHEKIN	24.00	8725	739	2074	6058	19.56	20.65	22.72
CHELAN - LAKE CHELAN DAM			1296	4010	11937
ENTIAT - NEAR ARDENVOIR	7.50	4109	156	476	945	1.74	2.92	3.80
WENATCHEE - AT PESHASTIN	13.00	24180	1601	5349	14037	3.21	5.69	9.50
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	98672	102595	126370	13.44	13.80	15.84
YAKIMA - NEAR HORLICK	36.00	13500	1283	3734	12526	29.12	31.54	35.71
NACHES - NEAR NACHES	17.80	8086	840	2719	6426	13.82	14.96	16.98
YAKIMA - NEAR PARKER	10.00	18954	2930	6738	19553	4.18	6.21	10.14
YAKIMA - AT KIONA	13.00	18099	3554	7294	15706	6.84	8.97	12.20
SNAKE - AB JACKSON L AT FLAGG R	10.00	13042	328	328	565	2.66	2.66	3.14
SNAKE - JACKSON LAKE AT DAM			768	768	1086
PACIFIC CREEK - AT MORAN	8.50	4149	62	68	136	4.42	4.47	4.92
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	254	254	322	1.27	1.27	1.45
GROS VENTRE - AT ZENITH			74	74	112	18.19	18.19	18.40
GREYS - AB RES NR ALPINE			270	288	418	1.40	1.44	1.70
SALT - ABV PALISADES RES NR ETNA	5.50	3470	585	585	642	2.14	2.14	2.24
SNAKE - NEAR HEISE	8.00	19882	2618	2618	2618	2.42	2.42	2.42
FALL RIVER - NEAR CHESTER	6.50	6685	549	602	1004	2.42	2.50	3.00
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1604	1780	2248	3.78	3.89	4.16
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1699	278	282	360	1.86	1.87	2.03
TETON - NEAR ST. ANTHONY	6.00	4696	503	527	692	2.37	2.42	2.72
HENRYS FORK - AT REXBURG	9.50	7297	2043	2259	2804	4.89	5.22	6.02
SNAKE - NEAR SHELLEY	12.50	29089	3858	4234	4636	6.13	6.29	6.45
SNAKE - NEAR BLACKFOOT	11.00	24233	3734	4068	4408	3.90	4.10	4.30
PORTNEUF - AT TOPAZ	4.00	455	111	138	190	2.74	2.90	3.15
PORTNEUF - AT POCATELLO	8.50	782	196	238	347	4.55	4.94	5.81
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1211	51	143	351	5.28	6.02	7.00
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	102	102	127	1.08	1.08	1.19
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			170	170	218
BIG WOOD - AT HAILEY	6.00	3416	166	166	330	1.65	1.65	2.15
BIG WOOD - MAGIC DAM			122	194	426
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	113	116	164	4.83	4.84	5.02
OWYHEE - NEAR MTN CITY	8.00	1212	53	71	244	4.16	4.32	5.18
OWYHEE - OWYHEE DAM		3000	422	2186	8175
BOISE - NR TWIN SPRINGS			666	1484	4666	6.08	7.26	9.82
SF BOISE - NR FEATHERVILLE	7.20	7931	234	354	623	1.79	2.08	2.56
SF BOISE - ANDERSON RANCH DAM			388	762	1566
MORES CREEK - NR ARROWROCK DAM	8.80	4845	231	710	1535	2.90	4.09	5.44
MALHEUR - NEAR DREWSEY			102	174	1619	2.97	3.40	7.45
MALHEUR - NEAR VALE	19.50	3892	340	666	4128	12.22	13.32	19.84
SF PAYETTE - AT LOWMAN	7.50	6928	456	582	1151	3.46	3.64	4.27
MF PAYETTE - NEAR CROUCH	11.80	3318	299	556	1706	6.10	6.83	9.34
PAYETTE - NEAR EMMETT	10.50	15924	1484	2138	5333	2.74	3.34	5.66
WEISER - NEAR CAMBRIDGE	12.00	9278	350	966	2792	4.04	5.11	7.26
WEISER - NEAR WEISER	9.50	8663	546	2277	6090	4.84	6.49	8.52
EAGLE CREEK - ABOVE SKULL CK			102	214	564	0.81	1.17	1.82
SNAKE - BROWNLEE DAM			13966	20392	30599
IMNAHA - AT IMNAHA	5.50	3431	133	399	1112	1.78	2.54	3.63
SALMON - AT SALMON	7.50	11674	1303	1340	1580	2.47	2.50	2.71
LEMHI - NEAR LEMHI	6.50	1490	187	206	244	3.89	3.96	4.10
MF SALMON - MIDDLE FORK LODGE			843	1689	3414	1.89	2.67	3.83
LITTLE SALMON - AT RIGGINS	10.00	7853	243	392	1096	2.69	3.11	4.45
SALMON - AT WHITEBIRD	32.00	97533	4227	5668	8854	12.67	13.48	14.96
GRANDE RONDE - NEAR PERRY	6.60	5440	136	511	1710	1.52	2.49	3.96
MALHEUR - AGENCY VALLEY DAM			60	90	482
GRANDE RONDE - TROY	10.00	20128	1938	4196	11362	4.22	5.52	8.04
SNAKE - NEAR ANATONE	20.00	150000	20464	26793	44064	4.91	6.06	8.64
SELWAY - NEAR LOWELL	14.00	43181	1696	5038	12173	4.09	5.83	7.94
LOCHSA - NEAR LOWELL			1764	3400	8966	3.25	4.23	6.67
SNAKE - LOWER GRANITE DAM			27026	36995	65698
SF CLEARWATER - AT STITES	8.00	9925	621	1216	2606	3.41	4.02	4.93
CLEARWATER - AT OROFINO	17.00	75187	3270	9472	21998	3.73	6.15	9.25
NF CLEARWATER - DWORSHAK DAM			3679	7902	17642
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			679	1931	5804	7.62	9.33	12.33
CLEARWATER - AT SPALDING	18.00	107596	5388	12932	28725	4.12	6.20	9.18
PALOUSE - NEAR POTLATCH	15.00	3880	266	526	1778	7.08	8.11	11.31
SF PALOUSE - AT PULLMAN	7.00	2487	20	214	677	1.51	2.77	4.16
PALOUSE - AT HOOPER			150	3944	7160	4.00	10.09	12.26
MILL CREEK - NR WALLA WALLA			371	1082	2938	14.59	15.73	17.44
WALLA WALLA - NEAR TOUCHET	13.00	7676	1606	3015	5381	6.79	8.94	11.07
UMATILLA - NEAR GIBBON	7.00	2525	461	1062	2657	4.48	5.47	7.11
UMATILLA - AT PENDLETON	12.30	9550	1292	2751	5164	6.42	7.74	9.62
JOHN DAY - NEAR JOHN DAY	8.00	2596	192	356	950	4.03	4.43	5.58
NF JOHN DAY - AT MONUMENT	14.00	19143	886	1973	6064	4.07	5.33	7.98
JOHN DAY - AT SERVICE CK	11.50	15961	1251	2980	7892	3.86	5.52	8.41
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	6868	9510	17600	3.65	4.22	5.76
KLICKITAT - NEAR PITT	9.00	8900	2060	3954	8653	5.40	6.59	8.90
HOOD - NEAR TUCKER BRIDGE	13.00	13504	2842	4904	11878	6.68	8.29	12.23
WHITE SALMON - NEAR UNDERWOOD			1323	2808	4736	4.35	5.61	7.48
SANDY - NEAR MARMOT			4440	9284	22392	693.82	695.44	698.26
SANDY - SANDY	19.30	40323	11303	22552	39348	13.49	16.29	19.16
MF WILLAMETTE - HILLS CREEK DAM			3526	7866	19114
FALL CREEK - FALL CREEK RESERVOIR			2966	5232	9754
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			1040	2753	9620
ROW - DORENA DAM			2739	6830	18349
MCKENZIE - BELOW TRAIL BRIDGE DAM			1335	2082	3034	7.09	7.83	8.54
SF MCKENZIE - COUGAR DAM			2452	4250	10436
BLUE - BLUE RESERVOIR			3680	6270	10578
MOHAWK - NEAR SPRINGFIELD	15.00	6363	1748	3868	10926	6.82	11.20	20.47
LONG TOM - FERN RIDGE DAM			2184	4160	18968
MARYS - NEAR PHILOMATH	20.00	4304	1326	3244	7685	12.13	18.46	21.25
LITTLE N SANTIAM - NEAR MEHAMA			5734	10365	16213	7.97	10.01	11.80
THOMAS CREEK - NEAR SCIO	18.00	14297	2802	7498	13098	10.11	14.18	17.41
LUCKIAMUTE - NEAR SUVER	27.00	6488	2719	7660	13190	17.25	28.14	30.29
S YAMHILL - NEAR WILLAMINA			2854	7960	12864	6.00	10.00	14.00
S YAMHILL - AT MCMINNVILLE	50.00	17632	6494	14234	22092	30.71	44.82	56.25
MOLALLA - NEAR CANBY	23.00	24837	5393	9424	18530	15.60	17.65	21.26
PUDDING - AT AURORA	22.00	6076	3908	6815	13506	17.68	22.75	26.17
CLACKAMAS - THREE LYNX			5562	12582	22306	5.33	8.71	12.08
CLACKAMAS - AT ESTACADA	20.00	24793	8462	19777	38533	15.47	18.83	22.70
CLACKAMAS - NEAR OREGON CITY	39.00	40050	12028	24449	46656	30.16	34.66	40.59
JOHNSON CREEK - AT SYCAMORE	11.00	1250	316	1199	2122	5.24	10.74	13.98
COWLITZ - AT PACKWOOD	10.50	24411	5029	15215	35533	4.21	7.83	13.19
COWLITZ - AT RANDLE	18.00	17568	7250	18360	33286	10.38	18.55	22.64
CISPUS - NEAR RANDLE			1114	4311	10237	14.74	17.14	18.66
COWLITZ - NEAR KOSMOS			11025	25447	45693	71.82	77.42	82.64
TILTON - NEAR CINEBAR			2897	8808	15942	5.96	9.93	13.58
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	43432	6488	11242	22267	124.67	127.07	131.59
NEHALEM - FOSS	15.00	25307	9964	25240	43842	9.91	14.97	21.77
WILSON - NEAR TILLAMOOK	12.00	14054	5481	18949	36174	7.54	14.42	22.62
TRASK - TILLAMOOK	16.50	12678	4430	10388	19351	11.45	15.27	19.63
NESTUCCA - NEAR BEAVER	18.00	20010	3500	7277	21420	8.46	10.73	18.71
SILETZ - AT SILETZ	16.00	18873	7769	15064	33602	10.03	14.16	22.04
ALSEA - NEAR TIDEWATER	18.00	20106	4028	11719	21776	7.32	13.22	18.85
SIUSLAW - NEAR MAPLETON	18.00	22123	5620	17878	34442	8.88	16.00	23.13
S UMPQUA - AT TILLER	18.00	29761	4778	10988	28398	7.35	11.11	17.60
DEER CREEK - NEAR ROSEBURG	10.00	2100	626	2162	4350	6.00	10.00	13.00
STEAMBOAT CREEK - NEAR GLIDE			4746	7833	20905	6.93	9.37	15.79
N UMPQUA - AT WINCHESTER	26.00	82464	10720	29683	67410	7.26	12.75	22.42
ELK CREEK - NEAR DRAIN	16.00	7253	1142	3576	8244	6.48	11.35	17.07
SF COQUILLE - AT POWERS			5153	11166	20702	7.72	11.27	15.27
NF COQUILLE - NEAR MYRTLE POINT	35.00	20000	3438	7258	20934	20.96	29.05	35.17
BIG BUTTE CREEK - NEAR MCLEOD			716	1417	3966	4.92	6.25	9.41
ELK CREEK - NEAR TRAIL			1056	2977	6362	6.88	9.22	12.40
BEAR CREEK - AT MEDFORD	10.00	5265	382	1032	2455	3.90	5.42	7.82
ILLINOIS - AT KERBY	35.00	49076	6490	22709	46277	12.67	23.30	33.93
CHETCO - NEAR BROOKINGS			14052	38423	67960	10.33	18.01	26.20

Link to main Northwest River Forecast Center (NWRFC) web site