Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2026-07-22 Forecast Period: July 22 to November 1
Sites in NWRFC Area:
Location	Flood Stage	Flood Flow	90% Flow	50% Flow	10% Flow	90% Stage	50% Stage	10% Stage

SKAGIT - ROSS RESERVOIR			2646	3134	12422
NISQUALLY - ALDER RESERVOIR			866	2195	8282
TEANAWAY - BELOW FORKS			45	84	1015	10.88	11.08	12.73
SF COQUILLE - AT MYRTLE POINT	33.00	21398	132	1305	3443	4.17	7.31	11.35
GREEN - HOWARD HANSON DAM			294	1274	2972
BAKER - UPPER BAKER LAKE			2269	10776	26460
COWLITZ - MOSSYROCK RESERVOIR			1826	4539	18459
WHITE - AT MUD MOUNTAIN DAM		9000	1180	1838	4066
CEDAR - CHESTER MORSE LAKE			92	814	5553
BULLY CREEK - BULLY CREEK DAM			0	0	0
SILVIES - NEAR BURNS	12.00	2565	40	44	53	1.24	1.31	1.44
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	37	37	170	1.87	1.87	2.56
NASELLE - NEAR NASELLE	15.00	7180	103	961	4873	4.48	6.79	12.45
WILLAPA - NEAR WILLAPA	21.00	11925	104	1027	4493	3.44	6.58	13.13
CHEHALIS - NEAR DOTY	318.00	12747	87	951	3406	306.45	308.67	311.70
NEWAUKUM - NEAR CHEHALIS	202.50	5011	127	434	3594	193.21	194.52	200.61
CHEHALIS - NEAR CENTRALIA	168.50	23709	449	2014	6571	152.59	156.01	160.74
SKOOKUMCHUCK - NEAR BUCODA	211.50	2656	110	121	407	203.62	203.68	204.92
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	201	277	812	177.26	177.55	179.33
CHEHALIS - NEAR GRAND MOUND	141.00	19410	377	2271	9290	129.29	131.85	136.57
CHEHALIS - AT PORTER	48.00	23088	535	2792	10558	30.91	34.48	42.09
SATSOP - NEAR SATSOP	38.00	24304	798	2820	13433	28.80	30.85	36.19
WYNOOCHEE - WYNOOCHEE DAM			943	2990	5980
CALAWAH - NEAR FORKS			892	3467	15146	4.46	7.46	13.89
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	1287	2677	7835	10.54	11.74	14.72
DUNGENESS - NEAR SEQUIM	7.00	4353	253	633	1951	3.01	3.84	5.34
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			676	1486	6960	4.16	4.97	8.15
SF SKOKOMISH - NEAR UNION			399	1055	7809	0.82	1.51	4.74
DESCHUTES - NEAR RAINIER	11.00	5216	54	242	1048	3.26	4.15	6.05
NISQUALLY - NEAR NATIONAL	9.52	8000	859	1260	4787	5.39	5.87	8.17
MINERAL CREEK - NEAR MINERAL			107	513	1735	8.81	9.83	11.33
PUYALLUP - NEAR ORTING	10.83	10000	1077	2041	4182	7.29	8.10	9.14
CARBON - NEAR FAIRFAX	13.50	7556	478	871	3921	6.96	7.89	11.21
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.64	4000	115	519	1171	24.96	26.20	27.07
WHITE - AT R STREET	115.92	7500	1037	1862	4110	111.94	112.61	114.32
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	71	193	378	4.26	4.87	5.55
SKYKOMISH - NEAR GOLD BAR	15.00	32445	2027	14261	49103	6.03	11.04	17.44
MF SNOQUALMIE - NEAR TANNER			1869	7938	22321	4.42	8.50	13.56
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			452	2810	7075	3.39	6.54	9.21
SF SNOQUALMIE - NEAR GARCIA			126	828	3577	10.04	11.64	14.53
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	2582	9955	34279	5.53	9.84	16.66
PILCHUCK - NEAR SNOHOMISH	18.00	6833	222	796	2120	10.64	11.83	13.68
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	1693	6437	14943	3.44	6.09	10.11
STILLAGUAMISH - NEAR ARLINGTON	14.00	35100	3957	13664	32156	3.77	7.63	13.20
SAUK - NEAR SAUK			4159	9919	42442	4.83	6.97	11.77
SKAGIT - NEAR MT VERNON	28.00	65451	12461	22472	65437	13.42	17.16	28.00
SAMISH - NEAR BURLINGTON	11.24	3000	58	323	1082	4.66	6.16	8.48
NF NOOKSACK - NEAR GLACIER			1133	2307	3957	3.69	5.23	6.99
MF NOOKSACK - NEAR DEMING			753	2705	4762	4.12	5.51	6.36
SF NOOKSACK - AT SAXON BRIDGE	8.00	12519	1016	3982	9662	1.94	3.93	6.77
NOOKSACK - AT CEDARVILLE	146.50	31660	3438	8938	19011	139.65	141.61	144.11
KOOTENAI - LIBBY DAM INFLOW			12916	12916	20487
FISHER - NEAR LIBBY	7.50	4389	105	105	764	2.94	2.94	4.52
YAAK - NEAR TROY	8.00	6691	229	293	390	3.42	3.59	3.81
MOYIE - AT EASTPORT	9.00	7024	138	138	174	3.65	3.65	3.74
CLARK FORK - AT DEER LODGE	6.00		167	180	199	2.63	2.67	2.71
CLARK FORK - NR DRUMMOND	8.00	5036	653	653	732	3.34	3.34	3.48
ROCK CREEK - NEAR CLINTON	9.00	6946	517	517	517	5.68	5.68	5.68
BLACKFOOT - NEAR BONNER	10.00	16215	1206	1206	1206	2.82	2.82	2.82
CLARK FORK - ABOVE MISSOULA	7.50	12035	2416	2416	2416	3.25	3.25	3.25
BITTERROOT - NEAR DARBY	7.50	7958	620	765	1093	2.56	2.79	3.24
BITTERROOT - NEAR MISSOULA	11.00	16475	1117	1364	2618	3.62	3.87	4.90
CLARK FORK - BELOW MISSOULA	11.00	48282	3485	3485	3926	1.81	1.81	2.00
ST. REGIS - NEAR ST. REGIS	8.00	6151	174	256	432	2.08	2.32	2.75
CLARK FORK - AT ST REGIS	19.00	60626	4762	4762	4779	6.49	6.49	6.49
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	2389	2389	2877	3.33	3.33	3.63
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	2409	2409	2670	3.05	3.05	3.18
SF FLATHEAD - HUNGRY HORSE DAM			1915	2634	6656
FLATHEAD - AT COLUMBIA FALLS	13.00	41538	8167	8167	9700	5.73	5.73	6.23
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	200	200	200	3.14	3.14	3.14
WHITEFISH - NEAR KALISPELL	5.40	1502	169	169	169	2.06	2.06	2.06
SWAN - NEAR BIGFORK	6.50	7054	1159	1159	1606	3.16	3.16	3.54
CLARK FORK - NEAR PLAINS	16.00	95805	13839	13839	15900	5.40	5.40	5.83
THOMPSON - NEAR THOMPSON FALLS	7.00	3624	230	286	436	2.97	3.10	3.39
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3264	79	79	101	0.96	0.96	1.16
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2062.30	2062.30	2062.30
PRIEST - NEAR PRIEST RIVER			1548	1572	1659	2.55	2.57	2.67
PEND OREILLE - ALBENI FALLS DAM		95000	23867	26329	31386
KETTLE - NEAR FERRY	18.50	14605	207	293	1150	9.54	9.77	11.07
KETTLE - AT LAURIER			626	626	2294	3.33	3.33	5.19
COLVILLE - AT KETTLE FALLS			51	53	59	5.07	5.09	5.14
NF COEUR D ALENE - NEAR PRICHARD			132	172	686	1.43	1.56	2.50
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	420	420	2723	57.46	57.46	60.78
COEUR D ALENE - AT CATALDO	43.00	18298	457	457	3428	32.78	32.78	35.69
ST JOE - AT CALDER	13.00	18121	678	678	4545	5.97	5.97	8.76
ST MARIES - NEAR SANTA			120	172	272	4.38	4.59	4.91
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2128.00	2128.00	2128.00
SPOKANE - AT SPOKANE	27.00	30835	1790	2645	9043	18.15	18.72	21.45
HANGMAN CREEK - AT SPOKANE	11.00	7956	13	16	16	1.11	1.16	1.16
LITTLE SPOKANE - AT DARTFORD	6.50	2275	114	143	165	2.31	2.47	2.59
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	24980	556	565	2543	2.80	2.81	4.97
OKANOGAN - NEAR TONASKET	15.00	18277	737	989	3028	4.41	4.80	6.95
OKANOGAN - AT MALOTT			728	985	3012	2.97	3.20	4.93
METHOW - AT WINTHROP			403	403	995	10.36	10.36	11.37
METHOW - NEAR PATEROS	10.00	18282	619	619	1251	2.18	2.18	3.01
STEHEKIN - AT STEHEKIN	20.50	1829	1220	1332	3902	19.96	20.06	21.62
CHELAN - LAKE CHELAN DAM			1220	2360	7527
ENTIAT - NEAR ARDENVOIR	7.50	4109	159	159	702	1.75	1.75	3.37
WENATCHEE - AT PESHASTIN	13.00	24180	997	1742	6342	2.54	3.34	6.20
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	102656	102720	112320	13.81	13.81	14.67
YAKIMA - NEAR HORLICK	36.00	14085	3568	3568	3570	31.23	31.23	31.23
NACHES - NEAR NACHES	17.80	7421	873	895	2009	14.17	14.19	14.86
YAKIMA - NEAR PARKER	10.00	20525	2219	2327	3799	3.29	3.38	4.36
YAKIMA - AT KIONA	13.00	16872	3433	3541	4220	5.07	5.15	5.63
SNAKE - AB JACKSON L AT FLAGG R	10.00	13099	464	464	675	2.81	2.81	3.18
SNAKE - JACKSON LAKE AT DAM			942	942	1436
PACIFIC CREEK - AT MORAN	8.50	3975	97	98	244	4.57	4.58	5.30
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	1512	1512	1512	3.43	3.43	3.43
GROS VENTRE - AT ZENITH			146	146	172	18.35	18.35	18.43
GREYS - AB RES NR ALPINE			438	438	584	1.69	1.69	1.93
SALT - ABV PALISADES RES NR ETNA	5.50	3470	462	556	856	1.94	2.10	2.57
SNAKE - NEAR HEISE	8.00	19882	13605	13605	13605	6.16	6.16	6.16
FALL RIVER - NEAR CHESTER	6.50	6685	402	475	767	2.18	2.31	2.72
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1399	1623	1928	3.63	3.77	3.96
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1625	427	427	585	2.28	2.28	2.58
TETON - NEAR ST. ANTHONY	6.00	4762	777	777	979	2.77	2.77	3.05
HENRYS FORK - AT REXBURG	9.50	7297	1737	2010	2377	4.41	4.82	5.37
SNAKE - NEAR SHELLEY	12.50	29123	8863	8863	8863	7.70	7.70	7.70
SNAKE - NEAR BLACKFOOT	11.00	24233	5954	5955	5955	5.11	5.11	5.11
PORTNEUF - AT TOPAZ	4.00	441	122	171	235	2.87	3.12	3.37
PORTNEUF - AT POCATELLO	8.50	783	120	172	246	3.72	4.31	5.00
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1210	37	37	45	5.16	5.16	5.25
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	292	292	292	1.57	1.57	1.57
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			227	234	329
BIG WOOD - AT HAILEY	6.00	3379	241	264	409	1.88	1.94	2.30
BIG WOOD - MAGIC DAM			111	185	390
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	78	102	190	4.70	4.81	5.14
OWYHEE - NEAR MTN CITY	8.00	1202	56	75	126	4.24	4.40	4.73
OWYHEE - OWYHEE DAM		3000	385	515	874
BOISE - NR TWIN SPRINGS			487	487	1521	5.67	5.67	7.31
SF BOISE - NR FEATHERVILLE	7.20	7931	239	239	270	1.81	1.81	1.89
SF BOISE - ANDERSON RANCH DAM			367	471	773
MORES CREEK - NR ARROWROCK DAM	8.80	4845	53	103	215	2.06	2.38	2.86
MALHEUR - NEAR DREWSEY			19	46	97	2.29	2.57	2.98
MALHEUR - NEAR VALE	19.50	3890	252	398	754	11.78	12.34	13.51
SF PAYETTE - AT LOWMAN	7.50	6834	615	615	655	3.70	3.70	3.75
MF PAYETTE - NEAR CROUCH	11.80	3318	151	151	358	5.65	5.65	6.27
PAYETTE - NEAR EMMETT	10.50	15563	1648	1704	2059	2.89	2.94	3.25
WEISER - NEAR CAMBRIDGE	12.00	9278	128	221	480	3.12	3.50	4.21
WEISER - NEAR WEISER	9.50	8663	262	302	559	4.35	4.44	4.87
EAGLE CREEK - ABOVE SKULL CK			91	91	112	0.76	0.76	0.85
SNAKE - BROWNLEE DAM			13058	13800	22400
IMNAHA - AT IMNAHA	5.50	3431	145	145	333	1.83	1.83	2.39
SALMON - AT SALMON	7.50	11722	1401	1401	1487	2.51	2.51	2.59
LEMHI - NEAR LEMHI	6.50	1490	181	206	278	3.87	3.96	4.21
MF SALMON - MIDDLE FORK LODGE			964	964	1584	2.05	2.05	2.58
LITTLE SALMON - AT RIGGINS	10.00	7853	291	390	639	2.84	3.11	3.66
SALMON - AT WHITEBIRD	32.00	97533	6295	6295	6295	13.80	13.80	13.80
GRANDE RONDE - NEAR PERRY	6.60	5440	38	70	181	1.05	1.27	1.72
MALHEUR - AGENCY VALLEY DAM			18	18	26
GRANDE RONDE - TROY	10.00	19052	512	550	1478	3.92	3.98	4.92
SNAKE - NEAR ANATONE	20.00	150000	19002	19002	29540	4.72	4.72	6.61
SELWAY - NEAR LOWELL	14.00	43181	1465	1465	4834	3.91	3.91	5.75
LOCHSA - NEAR LOWELL			1066	1508	5770	2.62	3.00	5.38
SNAKE - LOWER GRANITE DAM			31611	31740	36817
SF CLEARWATER - AT STITES	8.00	9846	254	395	1344	2.88	3.14	4.18
CLEARWATER - AT OROFINO	17.00	75187	3091	3091	10466	3.64	3.64	6.45
NF CLEARWATER - DWORSHAK DAM			1594	2854	9273
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			21	25	39	5.25	5.30	5.46
CLEARWATER - AT SPALDING	18.00	107596	15237	15251	15358	6.72	6.72	6.74
PALOUSE - NEAR POTLATCH	15.00	3880	7	8	112	5.08	5.11	6.19
SF PALOUSE - AT PULLMAN	7.00	2758	11	16	28	1.19	1.37	1.71
PALOUSE - AT HOOPER			71	81	90	3.45	3.54	3.61
MILL CREEK - NR WALLA WALLA			44	102	292	13.32	13.71	14.36
WALLA WALLA - NEAR TOUCHET	13.00	7676	54	149	594	2.76	3.43	4.90
UMATILLA - NEAR GIBBON	7.00	2698	50	66	96	2.87	2.97	3.14
UMATILLA - AT PENDLETON	12.30	9250	38	54	176	4.26	4.38	4.94
JOHN DAY - NEAR JOHN DAY	8.00	2596	70	91	185	3.56	3.66	4.00
NF JOHN DAY - AT MONUMENT	14.00	19143	125	166	210	2.58	2.72	2.85
JOHN DAY - AT SERVICE CK	11.50	15961	240	290	401	2.13	2.27	2.54
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	4634	4646	5073	2.97	2.97	3.11
KLICKITAT - NEAR PITT	9.00	8900	955	955	1239	4.38	4.38	4.68
HOOD - NEAR TUCKER BRIDGE	13.00	13504	351	1128	3294	2.98	4.65	7.07
WHITE SALMON - NEAR UNDERWOOD			909	909	1642	3.98	3.98	4.70
SANDY - NEAR MARMOT			708	2446	5504	689.94	691.65	693.17
SANDY - SANDY	19.30	40323	691	3080	10537	8.34	10.34	13.22
MF WILLAMETTE - HILLS CREEK DAM			436	707	1924
FALL CREEK - FALL CREEK RESERVOIR			200	642	2339
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			97	160	524
ROW - DORENA DAM			144	500	2493
MCKENZIE - BELOW TRAIL BRIDGE DAM			607	756	1210	6.21	6.42	6.96
SF MCKENZIE - COUGAR DAM			271	644	1507
BLUE - BLUE RESERVOIR			98	520	4129
MOHAWK - NEAR SPRINGFIELD	15.00	6363	117	306	1052	1.47	2.29	4.85
LONG TOM - FERN RIDGE DAM			185	488	1208
MARYS - NEAR PHILOMATH	20.00	4304	29	203	799	2.26	4.75	9.10
LITTLE N SANTIAM - NEAR MEHAMA			257	1437	9047	3.52	5.26	9.49
THOMAS CREEK - NEAR SCIO	18.00	14297	34	494	2460	4.27	6.39	9.64
LUCKIAMUTE - NEAR SUVER	27.00	6488	87	255	1604	2.71	4.72	12.76
S YAMHILL - NEAR WILLAMINA			79	281	1305	2.00	2.75	4.79
S YAMHILL - AT MCMINNVILLE	50.00	17632	158	571	2982	10.32	13.05	22.06
MOLALLA - NEAR CANBY	20.00	18829	342	1021	5438	9.72	10.81	14.27
PUDDING - AT AURORA	22.00	6076	262	640	2017	6.79	8.68	13.16
CLACKAMAS - THREE LYNX			699	1731	3766	0.55	2.09	4.09
CLACKAMAS - AT ESTACADA	20.00	24793	979	2346	6247	11.30	12.50	14.62
CLACKAMAS - NEAR OREGON CITY	39.00	40050	1145	2638	8349	23.58	25.13	28.57
JOHNSON CREEK - AT SYCAMORE	11.00	1250	19	47	309	1.74	2.30	5.18
COWLITZ - AT PACKWOOD	10.50	24411	903	2474	11857	1.79	3.18	6.91
COWLITZ - AT RANDLE	18.00	17568	1210	3254	13889	5.10	7.35	15.39
CISPUS - NEAR RANDLE			430	732	2460	13.31	13.84	15.97
COWLITZ - NEAR KOSMOS			1778	4370	17611	65.57	67.86	74.72
TILTON - NEAR CINEBAR			287	1144	3903	3.08	4.51	6.88
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	44162	652	2077	6558	120.78	122.14	124.79
NEHALEM - FOSS	15.00	25307	394	2244	9566	2.46	5.37	9.59
WILSON - NEAR TILLAMOOK	12.00	14054	169	1254	8868	3.87	5.32	9.39
TRASK - TILLAMOOK	16.50	12678	202	947	3839	6.01	7.53	10.74
NESTUCCA - NEAR BEAVER	18.00	20010	158	1086	4487	4.36	6.06	8.96
SILETZ - AT SILETZ	16.00	18873	166	1435	8162	2.65	4.83	10.28
ALSEA - NEAR TIDEWATER	18.00	20106	163	838	2548	1.73	3.39	5.78
SIUSLAW - NEAR MAPLETON	18.00	22123	277	1307	3280	3.48	5.19	7.09
S UMPQUA - AT TILLER	18.00	28909	101	468	1409	0.97	2.20	4.00
DEER CREEK - NEAR ROSEBURG	10.00	2100	7	12	138	2.45	3.00	4.00
STEAMBOAT CREEK - NEAR GLIDE			117	357	3991	0.64	1.50	6.02
N UMPQUA - AT WINCHESTER	26.00	82464	908	1704	7193	2.00	2.81	5.89
ELK CREEK - NEAR DRAIN	16.00	7253	20	45	310	1.03	1.27	3.25
SF COQUILLE - AT POWERS			49	751	1682	0.37	2.85	4.54
NF COQUILLE - NEAR MYRTLE POINT	35.00	11958	94	193	630	4.10	4.83	7.18
BIG BUTTE CREEK - NEAR MCLEOD			71	109	278	2.83	3.06	3.74
ELK CREEK - NEAR TRAIL			5	36	153	3.18	3.71	4.49
BEAR CREEK - AT MEDFORD	10.00	5265	78	139	271	2.89	3.15	3.55
ILLINOIS - AT KERBY	35.00	49076	36	220	2917	0.72	2.09	8.45
CHETCO - NEAR BROOKINGS			82	1306	4834	-1.27	1.91	4.57

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