Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2026-07-21 Forecast Period: July 21 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			2634	3138	12425
NISQUALLY - ALDER RESERVOIR			890	2199	8282
TEANAWAY - BELOW FORKS			48	84	1020	10.89	11.08	12.73
SF COQUILLE - AT MYRTLE POINT	33.00	21398	129	1300	3428	4.16	7.30	11.32
GREEN - HOWARD HANSON DAM			294	1273	2974
BAKER - UPPER BAKER LAKE			2263	10618	26454
COWLITZ - MOSSYROCK RESERVOIR			2061	4518	18430
WHITE - AT MUD MOUNTAIN DAM		9000	1253	1838	4065
CEDAR - CHESTER MORSE LAKE			96	813	5552
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	34	36	169	1.84	1.86	2.55
NASELLE - NEAR NASELLE	15.00	7180	104	962	4874	4.48	6.79	12.45
WILLAPA - NEAR WILLAPA	21.00	11925	104	1026	4495	3.44	6.58	13.13
CHEHALIS - NEAR DOTY	318.00	12747	87	951	3412	306.45	308.67	311.70
NEWAUKUM - NEAR CHEHALIS	202.50	5011	128	433	3595	193.22	194.52	200.61
CHEHALIS - NEAR CENTRALIA	168.50	23709	449	2011	6567	152.59	156.00	160.73
SKOOKUMCHUCK - NEAR BUCODA	211.50	2656	87	121	407	203.49	203.68	204.92
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	184	277	812	177.19	177.55	179.33
CHEHALIS - NEAR GRAND MOUND	141.00	19410	377	2268	9287	129.29	131.85	136.56
CHEHALIS - AT PORTER	48.00	23088	533	2787	10557	30.91	34.48	42.08
SATSOP - NEAR SATSOP	38.00	24304	787	2811	13425	28.78	30.84	36.19
WYNOOCHEE - WYNOOCHEE DAM			936	2968	5973
CALAWAH - NEAR FORKS			888	3464	15138	4.45	7.46	13.89
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	1282	2665	7823	10.54	11.74	14.71
DUNGENESS - NEAR SEQUIM	7.00	4353	256	633	1946	3.02	3.84	5.33
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			672	1468	6944	4.16	4.96	8.14
SF SKOKOMISH - NEAR UNION			393	1045	7760	0.81	1.50	4.73
DESCHUTES - NEAR RAINIER	11.00	5216	54	242	1048	3.26	4.15	6.05
NISQUALLY - NEAR NATIONAL	9.52	8000	881	1265	4784	5.42	5.88	8.17
MINERAL CREEK - NEAR MINERAL			108	513	1737	8.81	9.83	11.34
PUYALLUP - NEAR ORTING	10.83	10000	1114	2041	4180	7.33	8.10	9.14
CARBON - NEAR FAIRFAX	13.50	7556	507	871	3920	7.04	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	1040	1860	4111	111.94	112.60	114.32
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	72	193	378	4.27	4.87	5.55
SKYKOMISH - NEAR GOLD BAR	15.00	32445	2027	14256	49091	6.03	11.04	17.44
MF SNOQUALMIE - NEAR TANNER			1923	7921	22296	4.48	8.49	13.56
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			451	2810	7075	3.39	6.54	9.21
SF SNOQUALMIE - NEAR GARCIA			126	827	3577	10.04	11.64	14.53
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	2605	9943	34252	5.55	9.84	16.65
PILCHUCK - NEAR SNOHOMISH	18.00	6833	221	795	2119	10.63	11.83	13.68
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	1691	6411	14936	3.44	6.07	10.11
STILLAGUAMISH - NEAR ARLINGTON	14.00	35100	3954	13654	32158	3.77	7.62	13.20
SAUK - NEAR SAUK			4094	9872	42404	4.80	6.96	11.77
SKAGIT - NEAR MT VERNON	28.00	65451	12636	22682	73522	13.50	17.23	29.62
SAMISH - NEAR BURLINGTON	11.24	3000	58	323	1081	4.66	6.16	8.48
NF NOOKSACK - NEAR GLACIER			1132	2300	3952	3.69	5.22	6.99
MF NOOKSACK - NEAR DEMING			751	2685	4759	4.12	5.50	6.36
SF NOOKSACK - AT SAXON BRIDGE	8.00	12519	1013	3976	9655	1.93	3.92	6.77
NOOKSACK - AT CEDARVILLE	146.50	31660	3424	8923	18999	139.64	141.61	144.11
KOOTENAI - LIBBY DAM INFLOW			13342	13342	20474
FISHER - NEAR LIBBY	7.50	4389	110	110	763	2.97	2.97	4.52
YAAK - NEAR TROY	8.00	6691	229	293	390	3.42	3.59	3.81
MOYIE - AT EASTPORT	9.00	7024	142	142	175	3.66	3.66	3.74
CLARK FORK - AT DEER LODGE	6.00		167	181	200	2.63	2.67	2.72
CLARK FORK - NR DRUMMOND	8.00	5036	663	663	735	3.36	3.36	3.49
ROCK CREEK - NEAR CLINTON	9.00	6946	537	537	537	5.71	5.71	5.71
BLACKFOOT - NEAR BONNER	10.00	16215	1265	1265	1265	2.88	2.88	2.88
CLARK FORK - ABOVE MISSOULA	7.50	12035	2485	2485	2485	3.29	3.29	3.29
BITTERROOT - NEAR DARBY	7.50	7958	638	773	1094	2.59	2.80	3.24
BITTERROOT - NEAR MISSOULA	11.00	16475	1196	1364	2621	3.71	3.87	4.90
CLARK FORK - BELOW MISSOULA	11.00	48282	3673	3673	3945	1.89	1.89	2.01
ST. REGIS - NEAR ST. REGIS	8.00	6151	174	256	436	2.08	2.32	2.76
CLARK FORK - AT ST REGIS	19.00	60626	5015	5015	5015	6.61	6.61	6.61
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	2512	2512	2869	3.41	3.41	3.62
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	2545	2545	2661	3.12	3.12	3.18
SF FLATHEAD - HUNGRY HORSE DAM			1989	2634	6661
FLATHEAD - AT COLUMBIA FALLS	13.00	41538	8441	8441	9619	5.82	5.82	6.21
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	206	206	206	3.16	3.16	3.16
WHITEFISH - NEAR KALISPELL	5.40	1502	178	178	178	2.10	2.10	2.10
SWAN - NEAR BIGFORK	6.50	7054	1203	1203	1688	3.20	3.20	3.60
CLARK FORK - NEAR PLAINS	16.00	95805	14935	14935	15918	5.63	5.63	5.83
THOMPSON - NEAR THOMPSON FALLS	7.00	3624	235	294	438	2.98	3.11	3.40
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3264	81	81	102	0.98	0.98	1.17
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2062.40	2062.40	2062.40
PRIEST - NEAR PRIEST RIVER			1548	1572	1659	2.48	2.50	2.60
PEND OREILLE - ALBENI FALLS DAM		95000	23754	26334	31406
KETTLE - NEAR FERRY	18.50	14605	218	293	1151	9.57	9.77	11.07
KETTLE - AT LAURIER			656	656	2295	3.38	3.38	5.19
COLVILLE - AT KETTLE FALLS			50	53	59	5.07	5.09	5.14
NF COEUR D ALENE - NEAR PRICHARD			132	172	687	1.43	1.56	2.50
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	447	447	2733	57.53	57.53	60.79
COEUR D ALENE - AT CATALDO	43.00	18298	473	473	3442	32.80	32.80	35.71
ST JOE - AT CALDER	13.00	18121	696	696	4555	5.99	5.99	8.77
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	1775	2645	9059	18.13	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	589	589	2542	2.86	2.86	4.97
OKANOGAN - NEAR TONASKET	15.00	18277	737	989	3031	4.41	4.80	6.96
OKANOGAN - AT MALOTT			728	985	3015	2.97	3.20	4.93
METHOW - AT WINTHROP			420	420	996	10.40	10.40	11.37
METHOW - NEAR PATEROS	10.00	18282	643	643	1251	2.22	2.22	3.01
STEHEKIN - AT STEHEKIN	20.50	1829	1159	1333	3908	19.90	20.07	21.63
CHELAN - LAKE CHELAN DAM			1159	2362	7539
ENTIAT - NEAR ARDENVOIR	7.50	4109	163	163	709	1.78	1.78	3.38
WENATCHEE - AT PESHASTIN	13.00	24180	1013	1754	6344	2.56	3.35	6.20
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	103852	103852	112996	13.92	13.92	14.72
YAKIMA - NEAR HORLICK	36.00	14085	3574	3574	3575	31.23	31.23	31.23
NACHES - NEAR NACHES	17.80	7421	881	902	2014	14.18	14.19	14.86
YAKIMA - NEAR PARKER	10.00	20525	2221	2331	3801	3.29	3.38	4.36
YAKIMA - AT KIONA	13.00	16872	3436	3539	4221	5.07	5.15	5.63
SNAKE - AB JACKSON L AT FLAGG R	10.00	13099	452	452	670	2.79	2.79	3.17
SNAKE - JACKSON LAKE AT DAM			920	920	1409
PACIFIC CREEK - AT MORAN	8.50	3975	92	97	236	4.53	4.57	5.27
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	998	998	1066	2.65	2.65	2.76
GROS VENTRE - AT ZENITH			214	214	214	18.55	18.55	18.55
GREYS - AB RES NR ALPINE			464	464	584	1.74	1.74	1.93
SALT - ABV PALISADES RES NR ETNA	5.50	3470	463	563	857	1.95	2.11	2.57
SNAKE - NEAR HEISE	8.00	19882	13933	13933	13933	6.28	6.28	6.28
FALL RIVER - NEAR CHESTER	6.50	6685	402	475	774	2.18	2.31	2.73
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1395	1617	1922	3.62	3.77	3.95
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1625	373	373	576	2.18	2.18	2.56
TETON - NEAR ST. ANTHONY	6.00	4762	708	708	967	2.66	2.66	3.03
HENRYS FORK - AT REXBURG	9.50	7297	1735	2008	2373	4.41	4.82	5.36
SNAKE - NEAR SHELLEY	12.50	29123	9088	9088	9088	7.77	7.77	7.77
SNAKE - NEAR BLACKFOOT	11.00	24233	5804	5804	5804	5.04	5.04	5.04
PORTNEUF - AT TOPAZ	4.00	441	123	171	235	2.87	3.12	3.37
PORTNEUF - AT POCATELLO	8.50	783	121	172	246	3.73	4.31	5.00
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1210	40	40	45	5.19	5.19	5.25
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	266	266	270	1.51	1.51	1.52
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			231	239	356
BIG WOOD - AT HAILEY	6.00	3379	263	263	409	1.93	1.93	2.30
BIG WOOD - MAGIC DAM			111	185	391
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	78	102	189	4.70	4.81	5.14
OWYHEE - NEAR MTN CITY	8.00	1202	84	103	151	4.47	4.60	4.86
OWYHEE - OWYHEE DAM		3000	314	515	874
BOISE - NR TWIN SPRINGS			497	497	1531	5.69	5.69	7.32
SF BOISE - NR FEATHERVILLE	7.20	7931	240	240	281	1.81	1.81	1.92
SF BOISE - ANDERSON RANCH DAM			367	471	776
MORES CREEK - NR ARROWROCK DAM	8.80	4845	53	103	216	2.06	2.38	2.86
MALHEUR - NEAR DREWSEY			19	46	97	2.26	2.54	2.95
MALHEUR - NEAR VALE	19.50	3890	254	403	757	11.79	12.36	13.52
SF PAYETTE - AT LOWMAN	7.50	6834	620	620	660	3.71	3.71	3.76
MF PAYETTE - NEAR CROUCH	11.80	3318	148	148	361	5.64	5.64	6.28
PAYETTE - NEAR EMMETT	10.50	15563	1652	1708	2064	2.89	2.94	3.26
WEISER - NEAR CAMBRIDGE	12.00	9278	128	221	483	3.12	3.50	4.21
WEISER - NEAR WEISER	9.50	8663	264	302	565	4.35	4.44	4.88
EAGLE CREEK - ABOVE SKULL CK			93	93	113	0.77	0.77	0.85
SNAKE - BROWNLEE DAM			13063	13803	22413
IMNAHA - AT IMNAHA	5.50	3431	146	146	334	1.84	1.84	2.39
SALMON - AT SALMON	7.50	11722	1432	1432	1484	2.54	2.54	2.59
LEMHI - NEAR LEMHI	6.50	1490	180	206	278	3.87	3.96	4.21
MF SALMON - MIDDLE FORK LODGE			976	976	1643	2.06	2.06	2.63
LITTLE SALMON - AT RIGGINS	10.00	7853	291	390	639	2.84	3.11	3.66
SALMON - AT WHITEBIRD	32.00	97533	6543	6543	6543	13.92	13.92	13.92
GRANDE RONDE - NEAR PERRY	6.60	5440	38	70	181	1.01	1.23	1.69
MALHEUR - AGENCY VALLEY DAM			18	18	26
GRANDE RONDE - TROY	10.00	19052	528	550	1479	3.95	3.98	4.93
SNAKE - NEAR ANATONE	20.00	150000	20928	20928	29554	5.10	5.10	6.61
SELWAY - NEAR LOWELL	14.00	43181	1541	1541	4955	3.97	3.97	5.80
SNAKE - LOWER GRANITE DAM			31690	31757	36749
LOCHSA - NEAR LOWELL			1098	1510	5861	2.65	3.00	5.42
SF CLEARWATER - AT STITES	8.00	9846	267	399	1344	2.91	3.15	4.18
CLEARWATER - AT OROFINO	17.00	75187	3200	3200	10595	3.70	3.70	6.49
NF CLEARWATER - DWORSHAK DAM			1615	2854	9288
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			21	25	39	5.25	5.30	5.46
CLEARWATER - AT SPALDING	18.00	107596	15262	15284	15395	6.72	6.73	6.75
PALOUSE - NEAR POTLATCH	15.00	3880	7	8	115	5.08	5.11	6.21
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			43	102	292	13.31	13.71	14.36
WALLA WALLA - NEAR TOUCHET	13.00	7676	53	149	597	2.75	3.43	4.91
UMATILLA - NEAR GIBBON	7.00	2698	50	66	96	2.87	2.97	3.14
UMATILLA - AT PENDLETON	12.30	9250	41	54	177	4.28	4.38	4.95
JOHN DAY - NEAR JOHN DAY	8.00	2596	70	91	186	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	376	1128	3295	3.06	4.65	7.07
WHITE SALMON - NEAR UNDERWOOD			908	908	1642	3.98	3.98	4.70
SANDY - NEAR MARMOT			697	2442	5498	689.92	691.65	693.16
SANDY - SANDY	19.30	40323	687	3086	10566	8.33	10.34	13.23
MF WILLAMETTE - HILLS CREEK DAM			437	707	1925
FALL CREEK - FALL CREEK RESERVOIR			200	642	2341
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			98	160	524
ROW - DORENA DAM			144	517	2488
MCKENZIE - BELOW TRAIL BRIDGE DAM			613	756	1210	6.22	6.42	6.96
SF MCKENZIE - COUGAR DAM			271	649	1513
BLUE - BLUE RESERVOIR			98	522	4135
MOHAWK - NEAR SPRINGFIELD	15.00	6363	117	307	1053	1.47	2.30	4.85
LONG TOM - FERN RIDGE DAM			185	488	1208
MARYS - NEAR PHILOMATH	20.00	4304	29	203	800	2.26	4.75	9.10
LITTLE N SANTIAM - NEAR MEHAMA			257	1437	9050	3.52	5.26	9.49
THOMAS CREEK - NEAR SCIO	18.00	14297	34	494	2461	4.27	6.39	9.64
LUCKIAMUTE - NEAR SUVER	27.00	6488	88	255	1608	2.72	4.72	12.78
S YAMHILL - NEAR WILLAMINA			79	283	1306	2.00	2.76	4.79
S YAMHILL - AT MCMINNVILLE	50.00	17632	158	574	2989	10.32	13.07	22.08
MOLALLA - NEAR CANBY	20.00	18829	342	1021	5441	9.72	10.81	14.27
PUDDING - AT AURORA	22.00	6076	262	640	2017	6.79	8.68	13.16
CLACKAMAS - THREE LYNX			700	1735	3776	0.55	2.10	4.10
CLACKAMAS - AT ESTACADA	20.00	24793	980	2350	6261	11.30	12.50	14.62
CLACKAMAS - NEAR OREGON CITY	39.00	40050	1146	2643	8363	23.58	25.14	28.57
JOHNSON CREEK - AT SYCAMORE	11.00	1250	19	47	309	1.74	2.30	5.18
COWLITZ - AT PACKWOOD	10.50	24411	1139	2475	11856	2.06	3.18	6.91
COWLITZ - AT RANDLE	18.00	17568	1487	3253	13892	5.64	7.35	15.39
CISPUS - NEAR RANDLE			407	712	2430	13.25	13.81	15.95
COWLITZ - NEAR KOSMOS			2014	4367	17579	65.86	67.86	74.71
TILTON - NEAR CINEBAR			287	1143	3903	3.08	4.51	6.88
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	44162	652	2077	6559	120.78	122.14	124.79
NEHALEM - FOSS	15.00	25307	394	2246	9571	2.46	5.37	9.59
WILSON - NEAR TILLAMOOK	12.00	14054	169	1254	8874	3.87	5.32	9.39
TRASK - TILLAMOOK	16.50	12678	202	949	3842	6.01	7.53	10.74
NESTUCCA - NEAR BEAVER	18.00	20010	158	1097	4491	4.36	6.07	8.96
SILETZ - AT SILETZ	16.00	18873	167	1436	8182	2.66	4.83	10.30
ALSEA - NEAR TIDEWATER	18.00	20106	163	839	2550	1.73	3.39	5.78
SIUSLAW - NEAR MAPLETON	18.00	22123	277	1307	3281	3.48	5.19	7.09
S UMPQUA - AT TILLER	18.00	28909	103	469	1410	0.98	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	360	3988	0.64	1.51	6.02
N UMPQUA - AT WINCHESTER	26.00	82464	908	1705	7190	2.00	2.82	5.89
ELK CREEK - NEAR DRAIN	16.00	7253	20	45	311	1.03	1.27	3.25
SF COQUILLE - AT POWERS			45	742	1664	0.33	2.83	4.52
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	2919	0.72	2.09	8.45
CHETCO - NEAR BROOKINGS			92	1307	4835	-1.21	1.92	4.57

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