Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2021-10-21
Sites in NWRFC Area:
Location	Flood Stage	Flood Flow	90% Flow	50% Flow	10% Flow	90% Stage	50% Stage	10% Stage

GREEN - HOWARD HANSON DAM			2543	8853	19163
BULLY CREEK - BULLY CREEK DAM			19	259	1993
SF COQUILLE - AT MYRTLE POINT	33.00	35562	10844	23222	57233	28.52	31.25	33.50
COWLITZ - MOSSYROCK RESERVOIR			11686	31130	61684
CEDAR - CHESTER MORSE LAKE			1663	4920	11915
NISQUALLY - ALDER RESERVOIR			6565	14901	30141
WHITE - AT MUD MOUNTAIN DAM		9000	3229	7840	19929
SKAGIT - ROSS RESERVOIR			4689	10946	36404
BAKER - UPPER BAKER LAKE			9917	21841	41044
TEANAWAY - BELOW FORKS			774	2189	5964	11.89	13.13	14.97
SILVIES - NEAR BURNS	12.00	2565	63	63	554	1.30	1.30	4.75
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	57	103	612	2.04	2.30	3.71
NASELLE - NEAR NASELLE	15.00	7409	3242	5309	7336	10.19	12.75	14.93
WILLAPA - NEAR WILLAPA	21.00	10129	5286	8741	13319	14.42	19.25	24.74
CHEHALIS - NEAR DOTY	318.00	12747	6216	8995	14254	313.88	315.79	318.81
NEWAUKUM - NEAR CHEHALIS	202.50	5478	2711	8335	16375	199.23	204.30	205.92
CHEHALIS - NEAR CENTRALIA	168.50	23709	13442	23428	45173	164.66	168.41	173.80
SKOOKUMCHUCK - NEAR BUCODA	211.50	3418	1110	3755	7006	206.62	212.09	214.37
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	1700	5089	9427	181.80	186.73	190.41
CHEHALIS - NEAR GRAND MOUND	141.00	19531	15165	25847	44366	139.51	142.47	144.59
CHEHALIS - AT PORTER	48.00	23088	18276	29607	48215	46.70	49.13	50.99
SATSOP - NEAR SATSOP	38.00	25824	16534	26420	36851	36.67	38.08	39.42
WYNOOCHEE - WYNOOCHEE DAM			3170	6347	10772
CALAWAH - NEAR FORKS			13992	21100	29152	13.41	16.19	18.93
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	5640	12416	21865	13.36	16.98	21.34
DUNGENESS - NEAR SEQUIM	7.00	4279	1254	3925	6467	4.72	6.79	8.12
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			5172	10192	13716	6.30	8.48	9.80
SF SKOKOMISH - NEAR UNION			9235	15206	22948	5.15	6.66	8.09
DESCHUTES - NEAR RAINIER	11.00	3947	1108	3827	6914	6.35	10.84	14.55
NISQUALLY - NEAR NATIONAL	9.21	8000	2751	7115	14227	6.46	8.85	11.43
MINERAL CREEK - NEAR MINERAL			1856	5393	9584	11.47	13.77	15.60
PUYALLUP - NEAR ORTING	9.77	10000	2182	7050	13447	6.90	8.89	10.61
CARBON - NEAR FAIRFAX	13.50	7524	2035	4419	7568	9.68	11.62	13.52
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.34	4000	716	2870	5153	25.84	28.47	30.08
WHITE - AT R STREET	115.18	7500	3559	8200	20881	113.29	115.46	119.18
ISSAQUAH CREEK - NEAR MOUTH	10.82	2000	463	1370	3472	6.15	9.13	14.25
SKYKOMISH - NEAR GOLD BAR	15.00	35683	16848	46575	81008	11.48	16.54	20.37
MF SNOQUALMIE - NEAR TANNER			5240	16793	42758	7.09	11.54	17.56
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			2541	5411	12704	6.30	8.33	11.49
SF SNOQUALMIE - NEAR GARCIA			944	3397	8322	12.55	14.81	18.49
SNOQUALMIE - NEAR SNOQUALMIE	13.43	20000	9432	27644	67181	9.79	15.35	19.71
PILCHUCK - NEAR SNOHOMISH	18.00	6550	2370	4032	5599	13.80	15.71	17.19
SF STILLAGUAMISH - NEAR GRANITE FALLS	14.00	18888	7301	11753	19372	9.51	11.47	14.17
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	30474	17772	25969	38020	10.70	12.27	14.08
STILLAGUAMISH - NEAR ARLINGTON	14.00	41500	31644	48236	70778	11.76	15.35	19.34
SAUK - NEAR SAUK			13939	28883	85250	7.85	10.10	17.04
SKAGIT - NEAR MT VERNON	28.00	65731	38209	71569	156811	21.82	29.11	41.59
SAMISH - NEAR BURLINGTON	10.58	3000	911	2558	7212	7.46	10.04	12.84
NF NOOKSACK - NEAR GLACIER			2205	5634	12849	6.33	8.78	11.77
MF NOOKSACK - NEAR DEMING			2810	5582	10626	4.88	6.03	7.47
SF NOOKSACK - AT SAXON BRIDGE	8.00	10719	5882	10861	18285	6.10	8.05	10.25
NOOKSACK - AT CEDARVILLE	146.50	24666	12407	26052	53332	143.02	146.66	149.11
KOOTENAI - LIBBY DAM INFLOW			5676	5676	14564
FISHER - NEAR LIBBY	7.50	4374	136	647	2069	3.10	4.37	6.02
YAAK - NEAR TROY	8.00	7096	145	172	498	3.11	3.20	3.95
MOYIE - AT EASTPORT	9.00	6875	70	86	157	3.43	3.49	3.73
CLARK FORK - AT DEER LODGE	6.00		256	258	259	2.80	2.80	2.80
CLARK FORK - NR DRUMMOND	8.00	5036	572	574	581	3.12	3.12	3.13
ROCK CREEK - NEAR CLINTON	9.00	6705	264	264	274	5.11	5.11	5.13
BLACKFOOT - NEAR BONNER	10.00	15612	519	519	519	2.03	2.03	2.03
CLARK FORK - ABOVE MISSOULA	7.50	11736	1429	1429	1429	2.61	2.61	2.61
BITTERROOT - NEAR DARBY	7.50	7995	249	249	272	1.46	1.46	1.52
BITTERROOT - NEAR MISSOULA	11.00	16569	717	1057	2188	3.08	3.46	4.44
CLARK FORK - BELOW MISSOULA	11.00	43633	2135	2185	3620	1.22	1.26	2.13
ST. REGIS - NEAR ST. REGIS	8.00	5564	142	190	334	2.16	2.32	2.68
CLARK FORK - AT ST REGIS	19.00	61426	2591	3051	5276	5.23	5.54	6.78
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	606	812	3257	1.59	1.98	3.82
MF FLATHEAD - NEAR WEST GLACIER	10.00	26076	355	541	2126	1.54	1.79	3.00
SF FLATHEAD - HUNGRY HORSE DAM			864	2048	6993
FLATHEAD - AT COLUMBIA FALLS	13.00	44288	3744	4224	7985	3.74	3.99	5.38
STILLWATER - NEAR LAWRENCE PARK	7.50	3229	90	97	157	2.82	2.85	3.10
WHITEFISH - NEAR KALISPELL	5.00	1393	41	45	68	1.33	1.36	1.53
SWAN - NEAR BIGFORK	6.50	7054	407	644	1405	2.31	2.63	3.38
CLARK FORK - NEAR PLAINS	16.00	97884	10879	11899	15940	4.72	4.95	5.81
THOMPSON - NEAR THOMPSON FALLS	7.00	3654	184	225	671	2.87	2.97	3.74
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3242	129	336	1115	1.43	2.49	4.38
PEND OREILLE - PEND OREILLE LAKE NR HOPE	2063.50					2055.60	2055.60	2055.60
PRIEST - NEAR PRIEST RIVER			1133	1350	1795	2.07	2.33	2.81
PEND OREILLE - ALBENI FALLS DAM		95000	22000	23087	26943
KETTLE - NEAR FERRY	18.50	14605	186	478	767	9.48	10.17	10.63
KETTLE - AT LAURIER			460	976	1911	3.19	4.04	4.97
COLVILLE - AT KETTLE FALLS			193	421	1079	5.89	6.67	7.71
NF COEUR D ALENE - NEAR PRICHARD			507	1588	3138	2.09	3.40	4.57
NF COEUR D ALENE - AT ENAVILLE	72.00	27492	2105	4154	15792	60.15	62.23	68.55
COEUR D ALENE - AT CATALDO	43.00	18954	2627	6276	20142	34.76	37.88	43.30
ST JOE - AT CALDER	13.00	20634	2259	4912	13034	7.44	8.82	11.37
ST MARIES - NEAR SANTA			313	929	3036	5.04	6.21	8.27
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2125.70	2125.70	2128.00
SPOKANE - AT SPOKANE	27.00	32472	6714	10659	19340	20.69	22.05	24.35
HANGMAN CREEK - AT SPOKANE	11.00	9698	631	2639	5029	3.42	5.94	7.98
LITTLE SPOKANE - AT DARTFORD	6.50	2125	227	428	1101	2.87	3.57	5.12
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	25069	1432	2047	7676	4.02	4.64	8.20
OKANOGAN - NEAR TONASKET	15.00	18018	1950	2779	7915	6.00	6.79	10.19
OKANOGAN - AT MALOTT			1990	2774	7825	4.09	4.71	7.82
METHOW - AT WINTHROP			304	487	2038	10.12	10.54	12.29
METHOW - NEAR PATEROS	10.00	18282	478	754	2570	1.98	2.43	4.12
STEHEKIN - AT STEHEKIN	24.00	8621	1323	2534	7715	19.95	20.82	23.55
CHELAN - LAKE CHELAN DAM			2360	5094	15235
ENTIAT - NEAR ARDENVOIR	7.50	4765	287	615	1354	2.25	3.13	4.34
WENATCHEE - AT PESHASTIN	13.00	24180	2727	6521	18473	4.14	6.29	11.11
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	97479	103620	125555	13.83	14.40	16.27
YAKIMA - NEAR HORLICK	36.00	13500	1442	4438	15172	29.34	32.04	36.58
NACHES - NEAR NACHES	17.80	7944	691	2061	8719	13.63	14.64	18.17
YAKIMA - NEAR PARKER	10.00	18954	2605	7103	24629	3.95	6.37	11.28
YAKIMA - AT KIONA	13.00	18099	3651	7913	19515	6.62	8.83	13.47
SNAKE - AB JACKSON L AT FLAGG R	10.00	13066	259	259	386	2.42	2.42	2.73
SNAKE - JACKSON LAKE AT DAM			460	460	757
PACIFIC CREEK - AT MORAN	8.00	3107	67	67	164	4.29	4.29	4.82
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	170	170	239	0.88	0.88	1.08
GROS VENTRE - AT ZENITH			91	91	96	17.48	17.48	17.52
GREYS - AB RES NR ALPINE			345	345	439	1.58	1.58	1.75
SALT - ABV PALISADES RES NR ETNA	5.50	3470	514	514	586	1.99	1.99	2.11
SNAKE - NEAR HEISE	8.00	23907	2405	2405	2405	1.95	1.95	1.95
FALL RIVER - NEAR CHESTER	6.50	6679	551	565	906	2.43	2.45	2.90
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1540	1723	2045	3.71	3.82	4.01
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1932	253	259	336	1.44	1.45	1.61
TETON - NEAR ST. ANTHONY	6.00	4649	501	501	653	2.40	2.40	2.69
HENRYS FORK - AT REXBURG	9.50	7297	1839	2049	2350	4.55	4.85	5.28
SNAKE - NEAR SHELLEY	12.50	29103	2922	3018	3311	5.64	5.69	5.84
SNAKE - NEAR BLACKFOOT	11.00	24233	2711	2711	3155	3.22	3.22	3.51
PORTNEUF - AT TOPAZ	4.00	587	184	184	187	2.90	2.90	2.91
PORTNEUF - AT POCATELLO	8.50	831	241	241	320	4.70	4.70	5.35
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2115	65	65	89	0.96	0.96	1.09
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			110	114	156
BIG WOOD - AT HAILEY	5.00	2181	135	135	254	1.35	1.35	1.80
BIG WOOD - MAGIC DAM			214	214	381
BRUNEAU - NEAR HOT SPRINGS	9.50	3351	126	126	135	4.92	4.92	4.95
OWYHEE - OWYHEE DAM	6.68	3000	674	3108	10367
BOISE - NR TWIN SPRINGS			2313	2313	5006	8.27	8.27	10.08
SF BOISE - NR FEATHERVILLE	7.20	8122	705	705	1410	2.53	2.53	3.35
SF BOISE - ANDERSON RANCH DAM			552	693	1736
MORES CREEK - NR ARROWROCK DAM	8.80	4753	200	720	1588	2.88	4.17	5.49
MALHEUR - NEAR DREWSEY			118	255	2005	3.06	3.62	6.92
MALHEUR - NEAR VALE	19.50	4060	500	531	1017	13.29	13.37	14.45
SF PAYETTE - AT LOWMAN	7.50	6894	349	425	961	3.30	3.42	4.05
MF PAYETTE - NEAR CROUCH	11.80	3272	320	607	1801	6.24	7.01	9.60
PAYETTE - NEAR EMMETT	10.50	15924	1467	2433	5549	2.72	3.59	5.79
WEISER - NEAR CAMBRIDGE	12.00	9334	407	1087	2892	3.83	5.09	7.27
WEISER - NEAR WEISER	9.50	9231	665	2197	6479	5.03	6.42	8.49
EAGLE CREEK - ABOVE SKULL CK			100	187	443	0.80	1.10	1.63
SNAKE - BROWNLEE DAM			14561	21716	29912
IMNAHA - AT IMNAHA	5.50	3091	192	468	1092	2.06	2.75	3.70
SALMON - AT SALMON	7.50	11795	1106	1110	1252	2.18	2.18	2.32
LEMHI - NEAR LEMHI	6.50	1448	198	212	232	3.82	3.87	3.93
MF SALMON - MIDDLE FORK LODGE			414	414	1054	1.40	1.40	2.14
LITTLE SALMON - AT RIGGINS	10.00	7853	306	362	1095	2.88	3.03	4.45
SALMON - AT WHITEBIRD	32.00	97533	3563	3767	5248	12.25	12.39	13.26
GRANDE RONDE - NEAR PERRY	6.60	5498	196	815	2342	1.86	3.00	4.49
MALHEUR - AGENCY VALLEY DAM			47	60	404
GRANDE RONDE - TROY	10.00	20128	2404	5506	13420	4.58	6.13	8.56
SNAKE - NEAR ANATONE	20.00	150000	20551	29880	47270	4.92	6.58	9.07
SELWAY - NEAR LOWELL	14.00	42550	1619	4416	12915	4.09	5.63	8.19
LOCHSA - NEAR LOWELL			1506	3098	9725	3.10	4.08	6.95
SNAKE - LOWER GRANITE DAM			28367	36605	70219
SF CLEARWATER - AT STITES	8.00	9402	580	1134	2523	3.61	4.17	5.15
CLEARWATER - AT OROFINO	17.00	75187	3477	8113	23436	3.84	5.71	9.54
NF CLEARWATER - DWORSHAK DAM			3760	8043	17317
POTLATCH - BELOW LITTLE POTLATCH			572	2148	10002	6.50	9.06	14.26
CLEARWATER - AT SPALDING	18.00	111541	5396	11435	30911	3.99	5.74	9.39
PALOUSE - NEAR POTLATCH	15.00	4460	330	681	1888	7.15	8.43	11.42
SF PALOUSE - AT PULLMAN	7.00	2487	20	301	880	1.46	3.10	4.62
PALOUSE - AT HOOPER			233	3950	7176	4.44	10.13	11.91
MILL CREEK - NR WALLA WALLA			365	1036	3090	14.56	15.85	18.11
WALLA WALLA - NEAR TOUCHET	13.00	6990	1551	2905	5679	7.04	9.13	11.94
UMATILLA - NEAR GIBBON	7.00	2817	642	1147	2681	4.59	5.36	6.89
UMATILLA - AT PENDLETON	12.30	9550	1267	2869	5644	6.34	7.79	9.94
JOHN DAY - NEAR JOHN DAY	8.00	2520	185	375	940	4.01	4.49	5.65
NF JOHN DAY - AT MONUMENT	14.00	18871	952	2069	5911	4.27	5.54	8.11
JOHN DAY - AT SERVICE CK	11.50	15961	1289	2853	7741	3.95	5.46	8.36
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	7332	9617	15057	3.58	4.11	5.28
KLICKITAT - NEAR PITT	9.00	8900	2248	4866	9400	5.47	7.09	9.20
HOOD - NEAR TUCKER BRIDGE	13.00	13504	2710	4869	10899	6.60	8.27	11.74
WHITE SALMON - NEAR UNDERWOOD			1486	2977	5577	4.71	6.22	8.20
SANDY - NEAR MARMOT			5423	11960	25900	694.13	696.15	698.82
SANDY - SANDY	19.30	40323	11610	26211	43155	13.59	17.00	19.70
MF WILLAMETTE - HILLS CREEK DAM			4242	8170	22195
FALL CREEK - FALL CREEK RESERVOIR			3145	5438	9922
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			1067	2929	10287
ROW - DORENA DAM			3534	11652	31137
MCKENZIE - BELOW TRAIL BRIDGE DAM			1287	1886	2888	7.13	7.66	8.44
SF MCKENZIE - COUGAR DAM			4220	8547	16793
BLUE - BLUE RESERVOIR			3680	6309	10709
MOHAWK - NEAR SPRINGFIELD	15.00	6363	2077	4013	12103	7.63	11.45	21.70
LONG TOM - FERN RIDGE DAM			2439	4953	21602
MARYS - NEAR PHILOMATH	20.00	4304	1817	3459	8395	14.45	18.83	21.32
LITTLE N SANTIAM - NEAR MEHAMA			6019	10315	15805	8.11	9.99	11.69
THOMAS CREEK - NEAR SCIO	18.00	14297	3291	7999	13905	10.68	14.52	17.81
LUCKIAMUTE - NEAR SUVER	27.00	6723	3156	8142	13785	18.42	28.37	30.45
S YAMHILL - NEAR WILLAMINA			3633	8663	13700	7.00	11.00	14.00
S YAMHILL - AT MCMINNVILLE	50.00		6517	14822	22141	30.86	41.00	41.00
MOLALLA - NEAR CANBY	23.00	24710	6341	9972	19444	16.78	18.39	21.55
PUDDING - AT AURORA	22.00	7071	4044	7206	15074	17.62	22.14	26.27
CLACKAMAS - THREE LYNX			6582	10400	18962	5.93	7.79	11.02
CLACKAMAS - AT ESTACADA	20.00	24793	10501	20720	36072	16.41	19.06	22.25
CLACKAMAS - NEAR OREGON CITY	39.00	40050	14580	27160	49661	31.19	35.49	41.29
JOHNSON CREEK - AT SYCAMORE	11.00	1250	406	1164	1926	5.96	10.57	13.49
COWLITZ - AT PACKWOOD	10.50	24411	5058	14070	32550	4.47	7.49	12.51
COWLITZ - AT RANDLE	18.00	17568	7126	19324	51615	10.29	19.09	24.11
CISPUS - NEAR RANDLE			1430	4358	10536	16.07	17.40	18.71
COWLITZ - NEAR KOSMOS			11274	28917	61163	71.95	78.46	85.75
TILTON - NEAR CINEBAR			3226	8774	16176	6.31	9.94	13.69
TOUTLE - AT TOWER BRIDGE	137.00	51438	7135	11543	25670	124.83	126.42	130.61
NEHALEM - FOSS	15.00	25307	13582	26560	45113	11.17	15.50	22.19
WILSON - NEAR TILLAMOOK	12.00	14054	10338	15413	24807	10.12	12.68	17.26
TRASK - TILLAMOOK	16.50	12678	6987	11139	15939	13.22	15.69	18.10
NESTUCCA - NEAR BEAVER	18.00	20010	3995	11285	13774	8.43	13.24	14.68
SILETZ - AT SILETZ	16.00	18873	8417	15861	24410	10.45	14.56	18.43
ALSEA - NEAR TIDEWATER	18.00	20106	4183	12488	22930	7.47	13.71	19.42
SIUSLAW - NEAR MAPLETON	18.00	22123	7740	18647	37768	10.27	16.37	24.38
S UMPQUA - AT TILLER	18.00	29761	4883	10776	35106	7.41	11.00	19.50
DEER CREEK - NEAR ROSEBURG	10.00	2100	568	2290	4424	6.00	10.00	13.00
STEAMBOAT CREEK - NEAR GLIDE			4909	10451	23425	7.05	10.92	16.78
N UMPQUA - AT WINCHESTER	26.00	82464	11879	26424	72378	7.57	11.84	23.64
ELK CREEK - NEAR DRAIN	16.00	7253	1398	4024	8803	7.17	12.01	17.65
SF COQUILLE - AT POWERS			5269	11982	22718	7.11	10.82	15.62
NF COQUILLE - NEAR MYRTLE POINT	35.00	20000	3401	10979	22534	20.84	31.59	35.47
BIG BUTTE CREEK - NEAR MCLEOD			825	1551	3032	5.33	6.49	8.30
ELK CREEK - NEAR TRAIL			1637	3230	6245	7.37	9.44	12.32
BEAR CREEK - AT MEDFORD	10.00	5265	311	1024	2607	3.71	5.41	7.98
ILLINOIS - AT KERBY	35.00	49520	6832	24556	47692	12.81	23.95	34.30
CHETCO - NEAR BROOKINGS			16165	35849	56850	10.69	17.33	23.03

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