Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2026-11-03 Forecast Period: November 03 to March 1
Sites in NWRFC Area:
Location	Flood Stage	Flood Flow	90% Flow	50% Flow	10% Flow	90% Stage	50% Stage	10% Stage

BULLY CREEK - BULLY CREEK DAM			16	190	1884
SKAGIT - ROSS RESERVOIR			2828	7264	28928
GREEN - HOWARD HANSON DAM			2859	7642	15660
COWLITZ - MOSSYROCK RESERVOIR			10149	26025	40135
TEANAWAY - BELOW FORKS			445	1846	4173	12.14	13.60	14.93
WHITE - AT MUD MOUNTAIN DAM		9000	2979	7365	18241
CEDAR - CHESTER MORSE LAKE			1447	5311	10541
SF COQUILLE - AT MYRTLE POINT	33.00	21398	10348	21612	46525	23.36	33.10	37.49
BAKER - UPPER BAKER LAKE			8561	17680	34504
NISQUALLY - ALDER RESERVOIR			4082	14211	26913
SILVIES - NEAR BURNS	12.00	2565	43	120	750	1.29	2.16	5.61
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	75	131	637	2.13	2.40	3.76
NASELLE - NEAR NASELLE	15.00	7180	3083	5493	11502	10.13	13.17	19.05
WILLAPA - NEAR WILLAPA	21.00	11925	3432	7473	15516	11.36	17.33	23.43
CHEHALIS - NEAR DOTY	318.00	12747	4176	8986	18312	312.37	315.78	320.82
NEWAUKUM - NEAR CHEHALIS	202.50	5011	2439	5535	10996	198.76	203.13	206.00
CHEHALIS - NEAR CENTRALIA	168.50	23709	9777	17414	28862	162.79	166.33	170.00
SKOOKUMCHUCK - NEAR BUCODA	211.50	2656	850	2906	4981	206.48	211.93	214.26
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	1120	3205	5375	180.23	184.63	187.02
CHEHALIS - NEAR GRAND MOUND	141.00	19410	12512	22821	37522	138.36	142.01	143.88
CHEHALIS - AT PORTER	48.00	23088	14579	25096	41507	44.89	48.40	50.40
SATSOP - NEAR SATSOP	38.00	24304	12064	20561	31036	35.68	37.50	38.86
WYNOOCHEE - WYNOOCHEE DAM			3737	6085	10597
CALAWAH - NEAR FORKS			15210	21986	28034	13.92	16.50	18.57
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	5191	10293	19448	13.30	15.98	20.27
DUNGENESS - NEAR SEQUIM	7.00	4235	939	1936	3134	4.29	5.38	6.31
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			5719	9516	12870	7.57	9.20	10.40
SF SKOKOMISH - NEAR UNION			8225	14778	20916	4.88	6.69	8.05
DESCHUTES - NEAR RAINIER	11.00	5430	975	3547	5626	5.88	9.25	11.16
NISQUALLY - NEAR NATIONAL	9.52	8000	1850	5627	12444	6.39	8.56	10.98
MINERAL CREEK - NEAR MINERAL			1236	4837	9827	10.83	13.48	15.70
PUYALLUP - NEAR ORTING	11.17	10000	2287	6675	13887	8.66	10.33	11.69
CARBON - NEAR FAIRFAX	13.50	7524	1673	4396	7406	9.29	11.60	13.44
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.64	4000	871	2681	4954	26.70	29.34	31.91
WHITE - AT R STREET	115.92	7500	3323	7764	20225	113.96	115.99	119.20
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	447	1352	3422	5.78	9.06	13.69
SKYKOMISH - NEAR GOLD BAR	15.00	32013	17268	39586	76763	11.94	16.18	20.65
MF SNOQUALMIE - NEAR TANNER			4881	16639	40041	6.84	11.87	17.69
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			2393	5532	11702	6.16	8.40	11.14
SF SNOQUALMIE - NEAR GARCIA			831	3271	6503	11.63	14.25	17.05
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	8704	26235	61070	9.37	15.26	19.27
PILCHUCK - NEAR SNOHOMISH	18.00	6833	2164	3559	5571	13.75	15.19	17.00
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	10839	16248	26662	8.33	10.63	14.33
STILLAGUAMISH - NEAR ARLINGTON	14.00	35057	22160	33501	49992	10.33	13.58	17.88
SAUK - NEAR SAUK			13816	30216	81104	7.83	10.26	16.46
SKAGIT - NEAR MT VERNON	28.00	65451	36236	61797	114481	21.22	27.24	35.48
SAMISH - NEAR BURLINGTON	11.24	3000	965	1791	4979	8.20	9.84	13.48
NF NOOKSACK - NEAR GLACIER			1489	2994	5475	4.31	6.04	8.28
MF NOOKSACK - NEAR DEMING			1589	4284	10648	4.86	6.19	7.94
SF NOOKSACK - AT SAXON BRIDGE	8.00	12301	5025	8958	15094	4.70	6.68	8.98
NOOKSACK - AT CEDARVILLE	146.50	31660	10752	18359	31341	142.13	143.97	146.45
KOOTENAI - LIBBY DAM INFLOW			3395	3654	6149
FISHER - NEAR LIBBY	7.50	4389	92	303	1308	2.90	3.65	5.22
YAAK - NEAR TROY	8.00	6656	110	134	297	3.01	3.11	3.59
MOYIE - AT EASTPORT	9.00	7024	71	77	210	3.40	3.43	3.82
CLARK FORK - AT DEER LODGE	6.00		228	228	333	2.86	2.86	3.06
CLARK FORK - NR DRUMMOND	8.00	5036	642	642	795	3.32	3.32	3.62
ROCK CREEK - NEAR CLINTON	9.00	7058	308	308	404	5.38	5.38	5.54
BLACKFOOT - NEAR BONNER	10.00		667	667	1383	2.18	2.18	2.99
CLARK FORK - ABOVE MISSOULA	7.50	12035	1692	1692	2686	2.80	2.80	3.41
BITTERROOT - NEAR DARBY	7.50	7958	257	290	542	1.79	1.88	2.42
BITTERROOT - NEAR MISSOULA	11.00	16410	1004	1195	2538	3.47	3.67	4.83
CLARK FORK - BELOW MISSOULA	11.00	48019	2665	2738	4405	1.43	1.46	2.12
ST. REGIS - NEAR ST. REGIS	8.00	6170	126	149	458	1.89	1.98	2.82
CLARK FORK - AT ST REGIS	19.00	60626	3259	3345	5723	5.67	5.72	7.00
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	658	713	2498	1.71	1.81	3.37
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	492	516	1673	1.72	1.75	2.75
SF FLATHEAD - HUNGRY HORSE DAM			753	1958	6265
FLATHEAD - AT COLUMBIA FALLS	13.00	41725	3747	4135	6281	3.87	4.06	4.97
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	91	130	269	2.80	2.96	3.44
WHITEFISH - NEAR KALISPELL	5.40	1502	57	68	102	1.45	1.53	1.75
SWAN - NEAR BIGFORK	6.50	7054	497	702	1408	2.38	2.64	3.37
CLARK FORK - NEAR PLAINS	16.00	95805	10577	11809	17803	4.67	4.96	6.20
THOMPSON - NEAR THOMPSON FALLS	7.00	3624	158	227	629	2.81	3.00	3.71
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3264	33	173	856	0.35	1.66	3.83
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2063.00	2063.00	2063.00
PRIEST - NEAR PRIEST RIVER			1051	1152	1668	1.96	2.09	2.68
PEND OREILLE - ALBENI FALLS DAM		95000	22000	22000	28811
KETTLE - NEAR FERRY	18.50	14605	168	220	636	9.42	9.58	10.44
KETTLE - AT LAURIER			383	577	1425	2.99	3.35	4.50
COLVILLE - AT KETTLE FALLS			85	345	897	5.39	6.42	7.56
NF COEUR D ALENE - NEAR PRICHARD			198	790	2923	1.58	2.60	4.53
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	1359	4034	12270	59.49	62.12	67.00
COEUR D ALENE - AT CATALDO	43.00	18298	1529	4660	15783	33.98	36.74	42.32
ST JOE - AT CALDER	13.00	18121	1660	4178	10353	6.90	8.45	10.73
ST MARIES - NEAR SANTA			360	1007	5536	5.14	6.34	9.97
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2125.40	2125.40	2127.60
SPOKANE - AT SPOKANE	27.00	30835	5041	8090	17352	19.94	21.13	23.83
HANGMAN CREEK - AT SPOKANE	11.00	7956	262	2413	5318	2.59	6.32	9.11
LITTLE SPOKANE - AT DARTFORD	6.50	2275	158	372	1072	2.55	3.44	5.10
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	24980	1075	1421	5844	3.51	3.93	7.20
OKANOGAN - NEAR TONASKET	15.00	18277	1440	2226	6064	5.39	6.23	9.07
OKANOGAN - AT MALOTT			1446	2224	6032	3.55	4.25	6.77
METHOW - AT WINTHROP			260	356	842	9.99	10.25	11.16
METHOW - NEAR PATEROS	10.00	18282	369	522	1118	1.71	2.02	2.86
STEHEKIN - AT STEHEKIN	20.50	1837	880	1383	4535	19.43	19.98	21.95
CHELAN - LAKE CHELAN DAM			1453	2781	8889
ENTIAT - NEAR ARDENVOIR	7.50	4109	162	352	860	1.77	2.57	3.66
WENATCHEE - AT PESHASTIN	13.00	24180	1449	4522	10396	3.06	5.26	8.05
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	102366	102366	117161	13.78	13.78	15.08
YAKIMA - NEAR HORLICK	36.00	13598	953	3607	10044	28.52	31.41	34.71
NACHES - NEAR NACHES	17.80	7711	581	2097	7236	13.42	14.77	17.57
YAKIMA - NEAR PARKER	10.00	21790	2311	7088	17468	3.07	5.70	8.97
YAKIMA - AT KIONA	13.00	16259	3047	7890	15283	5.23	8.41	12.49
SNAKE - AB JACKSON L AT FLAGG R	10.00	13082	309	309	323	2.51	2.51	2.55
SNAKE - JACKSON LAKE AT DAM			566	566	574
PACIFIC CREEK - AT MORAN	8.50	4155	54	54	67	4.30	4.30	4.41
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	195	195	207	1.01	1.01	1.05
GROS VENTRE - AT ZENITH			127	127	127	18.25	18.25	18.25
GREYS - AB RES NR ALPINE			241	241	259	1.35	1.35	1.39
SALT - ABV PALISADES RES NR ETNA	5.50	3470	450	450	454	1.94	1.94	1.94
SNAKE - NEAR HEISE	8.00	21625	2085	2145	2262	2.08	2.11	2.18
FALL RIVER - NEAR CHESTER	6.50	6679	525	525	573	2.39	2.39	2.47
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1416	1484	1669	3.63	3.67	3.79
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1564	273	273	281	2.07	2.07	2.09
TETON - NEAR ST. ANTHONY	6.00	4589	491	491	492	2.48	2.48	2.48
HENRYS FORK - AT REXBURG	9.50	7297	1717	1832	2105	4.31	4.49	4.90
SNAKE - NEAR SHELLEY	12.50	29050	3248	3248	3353	5.92	5.92	5.97
SNAKE - NEAR BLACKFOOT	11.00	24233	3119	3119	3119	3.50	3.50	3.50
PORTNEUF - AT TOPAZ	4.00	472	104	120	229	2.62	2.72	3.25
PORTNEUF - AT POCATELLO	8.50	820	189	229	366	4.29	4.66	5.75
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1210	50	161	557	5.29	6.13	7.83
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	99	99	101	1.09	1.09	1.10
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			172	172	180
BIG WOOD - AT HAILEY	6.00	3379	185	185	215	1.75	1.75	1.83
BIG WOOD - MAGIC DAM			133	232	1528
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	76	96	226	4.70	4.79	5.25
OWYHEE - NEAR MTN CITY	8.00	1208	35	64	256	3.97	4.28	5.24
OWYHEE - OWYHEE DAM		3000	437	2843	10072
BOISE - NR TWIN SPRINGS			896	953	4168	6.42	6.51	9.52
SF BOISE - NR FEATHERVILLE	7.20	7931	410	410	772	2.22	2.22	2.77
SF BOISE - ANDERSON RANCH DAM			373	462	1733
MORES CREEK - NR ARROWROCK DAM	8.80	4845	144	626	2097	2.58	3.92	6.16
BOISE - LUCKY PEAK DAM			1245	1286	1549	8.22	10.02	11.64
MALHEUR - NEAR DREWSEY			76	291	1655	2.82	3.99	7.51
MALHEUR - NEAR VALE	19.50	3890	308	543	1303	11.99	12.83	15.06
SF PAYETTE - AT LOWMAN	7.50	6928	475	476	848	3.54	3.54	4.02
MF PAYETTE - NEAR CROUCH	11.80	3318	303	691	2364	6.12	7.18	10.51
PAYETTE - NEAR EMMETT	10.50	15563	1313	2187	5587	2.66	3.46	5.73
WEISER - NEAR CAMBRIDGE	12.00	9278	305	1342	3379	3.83	5.61	7.82
WEISER - NEAR WEISER	9.50	8663	999	2854	8237	5.37	6.89	9.35
EAGLE CREEK - ABOVE SKULL CK			78	143	455	0.70	0.96	1.65
SNAKE - BROWNLEE DAM			14357	19599	35646
IMNAHA - AT IMNAHA	5.50	3431	165	454	1308	1.91	2.65	3.85
SALMON - AT SALMON	7.50	11626	1291	1291	1309	2.49	2.49	2.51
LEMHI - NEAR LEMHI	6.50	1490	199	199	236	3.95	3.95	4.08
MF SALMON - MIDDLE FORK LODGE			748	804	1707	1.82	1.88	2.68
LITTLE SALMON - AT RIGGINS	10.00	7853	255	322	1167	2.76	2.93	4.56
SALMON - AT WHITEBIRD	32.00	97533	4258	4258	5686	12.69	12.69	13.49
GRANDE RONDE - NEAR PERRY	6.60	5440	164	634	2175	1.63	2.69	4.37
MALHEUR - AGENCY VALLEY DAM			55	80	526
GRANDE RONDE - TROY	10.00	19211	1652	5655	14952	4.91	7.03	9.26
SNAKE - NEAR ANATONE	20.00	150000	22790	30249	53408	5.34	6.64	9.85
SELWAY - NEAR LOWELL	14.00	43181	817	3096	8874	3.35	4.94	7.09
LOCHSA - NEAR LOWELL			863	2569	6487	2.48	3.77	5.68
SNAKE - LOWER GRANITE DAM			27701	39396	78587
SF CLEARWATER - AT STITES	8.00	9846	266	1034	2493	2.88	3.91	4.93
CLEARWATER - AT OROFINO	17.00	75187	2034	6891	20419	3.01	5.28	8.92
NF CLEARWATER - DWORSHAK DAM			3215	8709	20397
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			708	2413	13688	7.30	9.89	15.82
CLEARWATER - AT SPALDING	18.00	107596	5231	11283	26582	4.06	5.81	8.83
PALOUSE - NEAR POTLATCH	15.00	3880	197	902	5405	6.84	9.40	16.77
SF PALOUSE - AT PULLMAN	7.00	2758	21	302	962	1.54	2.99	4.53
PALOUSE - AT HOOPER			1424	4129	9202	7.21	10.25	13.18
MILL CREEK - NR WALLA WALLA			390	1292	3174	14.55	15.96	17.60
WALLA WALLA - NEAR TOUCHET	13.00	7676	1524	3133	6224	6.65	9.07	11.74
UMATILLA - NEAR GIBBON	7.00	2698	413	1116	3181	4.10	5.31	7.41
UMATILLA - AT PENDLETON	12.30	9250	947	2451	6058	6.09	7.49	10.26
JOHN DAY - NEAR JOHN DAY	8.00	2596	166	335	883	3.95	4.39	5.46
NF JOHN DAY - AT MONUMENT	14.00	18871	599	1773	6761	3.80	5.31	8.57
JOHN DAY - AT SERVICE CK	11.50	15961	877	2644	9274	3.36	5.25	9.03
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	6473	8964	12857	3.52	4.09	4.85
KLICKITAT - NEAR PITT	9.00	8900	1518	4125	7475	4.96	6.69	8.38
HOOD - NEAR TUCKER BRIDGE	13.00	13504	2608	4715	10134	6.34	8.16	11.35
WHITE SALMON - NEAR UNDERWOOD			1342	2737	5039	4.43	5.48	7.52
SANDY - NEAR MARMOT	697.00	15689	3317	7030	19878	692.93	694.59	697.82
SANDY - SANDY	19.30	40323	8793	19097	37346	12.63	15.54	18.86
MF WILLAMETTE - HILLS CREEK DAM			2636	5546	15013
FALL CREEK - FALL CREEK RESERVOIR			2567	4593	8903
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			925	2664	8440
ROW - DORENA DAM			2848	7884	16343
MCKENZIE - BELOW TRAIL BRIDGE DAM			1218	1758	2793	6.97	7.55	8.37
SF MCKENZIE - COUGAR DAM			1811	3848	9285
BLUE - BLUE RESERVOIR			3404	6392	10822
MOHAWK - NEAR SPRINGFIELD	15.00	6363	1874	3561	11366	7.14	10.67	20.94
LONG TOM - FERN RIDGE DAM			1981	5682	18186
MARYS - NEAR PHILOMATH	20.00	4304	1887	3385	7903	14.74	18.70	21.27
LITTLE N SANTIAM - NEAR MEHAMA			6236	10397	15601	8.22	10.02	11.64
THOMAS CREEK - NEAR SCIO	18.00	14297	2806	7383	12002	10.12	14.11	16.85
LUCKIAMUTE - NEAR SUVER	27.00	6488	2940	8703	14376	17.96	28.73	30.61
S YAMHILL - NEAR WILLAMINA			3686	7652	12066	7.00	10.00	13.00
S YAMHILL - AT MCMINNVILLE	50.00	17632	7220	13493	21562	32.25	43.63	55.53
MOLALLA - NEAR CANBY	20.00	18829	4804	9098	18013	13.90	16.14	19.76
PUDDING - AT AURORA	22.00	6076	3775	6976	13840	17.42	22.90	26.27
CLACKAMAS - THREE LYNX			4544	9573	17858	4.65	7.42	10.65
CLACKAMAS - AT ESTACADA	20.00	24793	7690	17723	30906	15.17	18.31	21.27
CLACKAMAS - NEAR OREGON CITY	39.00	40050	9479	22606	41727	29.08	34.07	39.42
JOHNSON CREEK - AT SYCAMORE	11.00	1250	335	1253	2128	5.40	11.01	14.00
COWLITZ - AT PACKWOOD	10.50	24411	3734	10922	25625	3.54	6.46	10.82
COWLITZ - AT RANDLE	18.00	17568	6301	16140	27206	10.01	17.04	21.90
CISPUS - NEAR RANDLE			1122	3753	9281	14.49	16.89	18.47
COWLITZ - NEAR KOSMOS			9389	24430	40314	70.95	77.10	81.42
TILTON - NEAR CINEBAR			2325	9096	18218	5.66	10.14	14.61
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	44162	5695	11235	25119	124.18	126.90	131.16
NEHALEM - FOSS	15.00	25307	11302	24837	42674	10.25	14.81	21.38
WILSON - NEAR TILLAMOOK	12.00	14054	5614	19509	35841	7.80	14.69	22.47
TRASK - TILLAMOOK	16.50	12678	4309	8954	18541	11.16	14.44	19.28
NESTUCCA - NEAR BEAVER	18.00	20010	4277	6588	20897	8.84	10.29	18.45
SILETZ - AT SILETZ	16.00	18873	6618	16479	33392	9.26	14.86	21.96
ALSEA - NEAR TIDEWATER	18.00	20106	4388	12213	23933	7.67	13.53	19.91
SIUSLAW - NEAR MAPLETON	18.00	22123	7101	19010	36532	9.88	16.55	23.92
S UMPQUA - AT TILLER	18.00	28909	3102	10247	21259	6.10	11.10	15.59
DEER CREEK - NEAR ROSEBURG	10.00	2100	815	2399	4186	6.00	10.00	13.00
STEAMBOAT CREEK - NEAR GLIDE			3397	7463	17698	5.43	8.72	14.45
N UMPQUA - AT WINCHESTER	26.00	82464	9131	27551	55069	6.62	12.16	19.28
ELK CREEK - NEAR DRAIN	16.00	7253	1287	4313	7696	6.89	12.42	16.48
SF COQUILLE - AT POWERS			5286	11426	18871	7.93	11.22	13.97
NF COQUILLE - NEAR MYRTLE POINT	35.00	11958	3577	7378	15918	20.57	28.14	39.91
BIG BUTTE CREEK - NEAR MCLEOD			294	799	1861	3.82	5.13	6.94
ELK CREEK - NEAR TRAIL			1088	3104	5687	7.10	9.73	11.94
BEAR CREEK - AT MEDFORD	10.00	5265	356	827	2219	3.81	4.97	7.55
ILLINOIS - AT KERBY	35.00	49076	6656	22147	45139	12.83	23.00	33.49
CHETCO - NEAR BROOKINGS			16540	40930	67588	10.36	18.53	26.08

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