Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2025-05-08 Forecast Period: May 08 to September 1
Sites in NWRFC Area:
Location	Flood Stage	Flood Flow	90% Flow	50% Flow	10% Flow	90% Stage	50% Stage	10% Stage

COWLITZ - MOSSYROCK RESERVOIR			5838	7524	13801
BULLY CREEK - BULLY CREEK DAM			35	35	35
WHITE - AT MUD MOUNTAIN DAM		9000	2178	3015	4780
TEANAWAY - BELOW FORKS			910	910	1172	12.22	12.22	12.48
SF COQUILLE - AT MYRTLE POINT	33.00	27924	468	697	2657	5.37	6.03	10.90
NISQUALLY - ALDER RESERVOIR			1417	2294	5050
SKAGIT - ROSS RESERVOIR			7392	9075	12044
GREEN - HOWARD HANSON DAM			781	1314	2466
CEDAR - CHESTER MORSE LAKE			157	506	1166
BAKER - UPPER BAKER LAKE			4820	8673	15732
SILVIES - NEAR BURNS	12.00	2565	720	720	720	5.56	5.56	5.56
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	611	611	778	3.70	3.70	4.02
NASELLE - NEAR NASELLE	15.00	7180	96	346	623	4.33	5.35	6.08
WILLAPA - NEAR WILLAPA	21.00	11383	132	316	717	3.62	4.48	5.86
CHEHALIS - NEAR DOTY	318.00	12747	124	192	618	306.78	307.06	308.20
NEWAUKUM - NEAR CHEHALIS	202.50	4606	140	292	755	193.25	194.03	195.40
CHEHALIS - NEAR CENTRALIA	168.50	23709	454	772	2012	152.60	153.52	156.00
SKOOKUMCHUCK - NEAR BUCODA	211.50	3716	143	143	268	203.86	203.86	204.41
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	284	284	458	177.58	177.58	178.20
CHEHALIS - NEAR GRAND MOUND	141.00	19410	643	868	2303	130.11	130.49	132.13
CHEHALIS - AT PORTER	48.00	23088	1176	1235	2764	32.36	32.46	34.62
SATSOP - NEAR SATSOP	38.00	24304	709	1288	2468	28.68	29.45	30.58
WYNOOCHEE - WYNOOCHEE DAM			242	646	2218
CALAWAH - NEAR FORKS			282	1153	3930	3.32	4.81	7.89
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	2214	2727	3634	11.39	11.78	12.40
DUNGENESS - NEAR SEQUIM	7.00	4279	796	928	1182	4.11	4.31	4.64
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			644	1154	2318	4.17	4.71	5.59
SF SKOKOMISH - NEAR UNION			253	542	1010	0.68	1.11	1.58
DESCHUTES - NEAR RAINIER	11.00	4810	72	98	277	3.40	3.55	4.24
NISQUALLY - NEAR NATIONAL	9.74	8000	1196	1593	3710	5.88	6.29	7.89
MINERAL CREEK - NEAR MINERAL			155	340	849	9.13	9.63	10.47
PUYALLUP - NEAR ORTING	9.88	10000	1168	1724	2930	6.35	6.88	7.67
CARBON - NEAR FAIRFAX	13.50	7214	719	1062	2586	8.65	9.26	10.82
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.64	4000	202	458	846	24.82	25.76	26.51
WHITE - AT R STREET	115.12	7500	2140	3034	4818	112.42	112.98	113.93
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	77	119	278	4.53	4.78	5.46
SKYKOMISH - NEAR GOLD BAR	15.00	32819	7630	11082	17388	8.94	10.13	11.91
MF SNOQUALMIE - NEAR TANNER			2685	4292	10334	5.18	6.45	9.57
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			680	1552	3052	3.88	5.26	6.74
SF SNOQUALMIE - NEAR GARCIA			425	649	1900	11.54	11.98	13.57
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	4006	7342	14558	6.84	8.79	11.78
PILCHUCK - NEAR SNOHOMISH	18.00	6788	193	486	1233	10.40	11.20	12.44
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	1070	2672	5735	3.08	4.22	5.68
STILLAGUAMISH - NEAR ARLINGTON	14.00	35100	2863	6484	13234	2.81	5.04	7.48
SAUK - NEAR SAUK			7074	9126	20764	6.13	6.76	9.02
SKAGIT - NEAR MT VERNON	28.00	65731	19600	28392	57016	16.14	19.01	26.21
SAMISH - NEAR BURLINGTON	11.24	3000	98	210	634	4.71	5.42	7.14
NF NOOKSACK - NEAR GLACIER			1699	2344	3387	4.06	4.76	5.76
MF NOOKSACK - NEAR DEMING			834	1378	2624	3.93	4.48	5.37
SF NOOKSACK - AT SAXON BRIDGE	8.00	12301	1171	2076	3914	2.27	2.99	4.10
NOOKSACK - AT CEDARVILLE	146.50	33121	4410	6942	11238	140.16	141.08	142.35
KOOTENAI - LIBBY DAM INFLOW			32571	40136	60836
FISHER - NEAR LIBBY	7.50	4389	1355	1355	2614	5.27	5.27	6.38
YAAK - NEAR TROY	8.00	6976	3725	3725	4016	6.77	6.77	6.92
MOYIE - AT EASTPORT	9.00	6904	2958	2958	3447	6.74	6.74	7.06
CLARK FORK - AT DEER LODGE	6.00		472	514	920	3.22	3.27	3.80
CLARK FORK - NR DRUMMOND	8.00	5036	1405	1704	3068	4.37	4.72	6.25
ROCK CREEK - NEAR CLINTON	9.00	6914	2906	2906	2922	7.46	7.46	7.46
BLACKFOOT - NEAR BONNER	10.00	15449	5131	5131	6117	5.77	5.77	6.29
CLARK FORK - ABOVE MISSOULA	7.50	12035	9694	9694	11228	6.61	6.61	7.20
BITTERROOT - NEAR DARBY	7.50	7760	4648	4648	4690	5.78	5.78	5.81
BITTERROOT - NEAR MISSOULA	11.00	16639	11467	11467	12740	9.07	9.07	9.55
CLARK FORK - BELOW MISSOULA	11.00	46046	20775	20775	22465	6.76	6.76	7.09
ST. REGIS - NEAR ST. REGIS	8.00	5620	2091	2091	2162	5.09	5.09	5.16
CLARK FORK - AT ST REGIS	19.00	60626	26483	26483	27568	13.06	13.06	13.30
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	12186	12186	15920	7.30	7.30	8.40
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	16093	16093	16093	7.40	7.40	7.40
SF FLATHEAD - HUNGRY HORSE DAM			24487	24487	28498
FLATHEAD - AT COLUMBIA FALLS	13.00	41538	33520	33520	42085	11.62	11.62	13.09
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	1018	1018	1426	5.11	5.11	5.76
WHITEFISH - NEAR KALISPELL	5.40	1502	666	750	997	3.48	3.70	4.30
SWAN - NEAR BIGFORK	6.50	7054	4415	5174	6928	5.21	5.59	6.44
CLARK FORK - NEAR PLAINS	16.00	95815	43993	53122	68094	10.18	11.33	13.09
THOMPSON - NEAR THOMPSON FALLS	7.00	3728	1293	1293	1724	4.52	4.52	5.01
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3242	760	760	1098	3.69	3.69	4.35
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2062.50	2062.50	2063.00
PRIEST - NEAR PRIEST RIVER			5028	5354	6184	5.50	5.73	6.28
PEND OREILLE - ALBENI FALLS DAM		95000	47999	61823	84972
KETTLE - NEAR FERRY	18.50	14605	7526	8172	12084	15.31	15.63	17.36
KETTLE - AT LAURIER			14020	14020	20416	10.58	10.58	12.59
COLVILLE - AT KETTLE FALLS			474	474	846	6.79	6.79	7.50
NF COEUR D ALENE - NEAR PRICHARD			2030	2030	3438	3.84	3.84	4.88
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	4075	4075	7258	61.97	61.97	64.25
COEUR D ALENE - AT CATALDO	43.00	18298	5636	5636	9484	37.42	37.42	40.15
ST JOE - AT CALDER	13.00	19055	10147	10147	11078	10.80	10.80	11.11
ST MARIES - NEAR SANTA			461	461	1457	5.38	5.38	6.91
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2128.00	2128.00	2128.30
SPOKANE - AT SPOKANE	27.00	30670	14212	14212	19848	23.08	23.08	24.51
HANGMAN CREEK - AT SPOKANE	11.00	8206	60	60	87	1.65	1.65	1.86
LITTLE SPOKANE - AT DARTFORD	6.50	2275	293	293	426	3.16	3.16	3.60
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	25115	6265	7254	9530	7.38	7.89	8.94
OKANOGAN - NEAR TONASKET	15.00	18277	6829	7904	10790	9.51	10.09	11.62
OKANOGAN - AT MALOTT			6978	7885	10782	7.28	7.80	9.40
METHOW - AT WINTHROP			4491	4491	4782	14.08	14.08	14.26
METHOW - NEAR PATEROS	10.00	18282	6015	6015	6178	6.08	6.08	6.15
STEHEKIN - AT STEHEKIN	24.00	8725	3530	4436	6014	21.42	21.90	22.70
CHELAN - LAKE CHELAN DAM			5634	6976	10196
ENTIAT - NEAR ARDENVOIR	7.50	4322	1227	1308	1674	4.14	4.26	4.81
WENATCHEE - AT PESHASTIN	13.00	24180	7902	10389	13114	6.95	8.05	9.15
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	136201	149200	216974	16.63	17.70	22.59
YAKIMA - NEAR HORLICK	36.00	13500	3432	3443	3832	31.32	31.32	31.61
NACHES - NEAR NACHES	17.80	8086	3319	3319	4063	15.31	15.31	15.73
YAKIMA - NEAR PARKER	10.00	18954	2046	2079	3913	3.52	3.55	4.80
YAKIMA - AT KIONA	13.00	18099	2538	2908	4642	4.28	4.58	5.81
SNAKE - AB JACKSON L AT FLAGG R	10.00	13077	6577	6577	6888	7.45	7.45	7.59
SNAKE - JACKSON LAKE AT DAM			8722	8722	9529
PACIFIC CREEK - AT MORAN	8.50	4189	1914	1930	2459	7.30	7.31	7.65
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	2632	3268	4204	5.29	6.23	6.95
GROS VENTRE - AT ZENITH			1158	1572	2024	20.48	20.85	21.19
GREYS - AB RES NR ALPINE			2671	2671	2944	4.03	4.03	4.24
SALT - ABV PALISADES RES NR ETNA	5.50	3470	2089	2089	2390	4.09	4.09	4.37
SNAKE - NEAR HEISE	8.00	19882	15634	15980	29144	7.00	7.09	9.46
FALL RIVER - NEAR CHESTER	6.50	6714	3682	3682	4330	4.97	4.97	5.34
HENRYS FORK - AT ST. ANTHONY	7.00	9071	4492	4857	6494	5.19	5.34	5.99
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1957	800	1112	1768	2.42	2.93	3.92
TETON - NEAR ST. ANTHONY	6.00	4796	2460	2858	4084	4.45	4.76	5.58
HENRYS FORK - AT REXBURG	9.50	7297	5270	5706	7526	8.27	8.64	9.59
SNAKE - NEAR SHELLEY	12.50	29103	12943	13452	26119	8.85	8.98	11.88
SNAKE - NEAR BLACKFOOT	11.00	24233	10210	10606	22850	6.93	7.08	10.81
PORTNEUF - AT TOPAZ	4.00	516	225	266	335	3.08	3.24	3.47
PORTNEUF - AT POCATELLO	8.50	787	333	340	468	5.68	5.73	6.63
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1138	515	723	1094	7.83	8.62	9.86
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	1157	1157	1767	3.04	3.04	3.65
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			585	838	1476
BIG WOOD - AT HAILEY	6.00	3416	1665	1665	2006	4.26	4.26	4.64
BIG WOOD - MAGIC DAM			1515	1515	1786
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	687	687	1082	6.09	6.09	6.70
OWYHEE - NEAR MTN CITY	8.00	1229	201	201	448	4.95	4.95	5.82
OWYHEE - OWYHEE DAM		3000	1178	1178	1386
BOISE - NR TWIN SPRINGS			4879	4879	5930	9.95	9.95	10.53
SF BOISE - NR FEATHERVILLE	7.20	7947	3976	3976	3976	5.30	5.30	5.30
SF BOISE - ANDERSON RANCH DAM			3643	3643	3643
MORES CREEK - NR ARROWROCK DAM	8.80	4845	847	847	1516	4.36	4.36	5.42
MALHEUR - NEAR DREWSEY			610	610	610	5.04	5.04	5.04
MALHEUR - NEAR VALE	19.50	3892	600	722	1066	13.10	13.47	14.40
SF PAYETTE - AT LOWMAN	7.50	6928	3602	3602	4428	5.91	5.91	6.35
MF PAYETTE - NEAR CROUCH	11.80	3318	2551	2551	2618	10.77	10.77	10.87
PAYETTE - NEAR EMMETT	10.50	15924	9925	9925	14726	8.05	8.05	10.05
WEISER - NEAR CAMBRIDGE	12.00	9278	2690	2690	2691	7.16	7.16	7.16
WEISER - NEAR WEISER	9.50	8663	3654	3654	3968	7.36	7.36	7.52
EAGLE CREEK - ABOVE SKULL CK			1420	1420	1788	2.88	2.88	3.29
SNAKE - BROWNLEE DAM			25545	25545	32135
IMNAHA - AT IMNAHA	5.50	3431	1816	1892	2828	4.34	4.40	5.11
SALMON - AT SALMON	7.50	11674	6035	6172	7352	5.31	5.37	5.89
LEMHI - NEAR LEMHI	6.50	1490	328	354	678	4.32	4.40	5.09
MF SALMON - MIDDLE FORK LODGE			9525	9525	9732	6.62	6.62	6.70
LITTLE SALMON - AT RIGGINS	10.00	7853	3633	4125	5036	7.17	7.57	8.24
SALMON - AT WHITEBIRD	32.00	97533	57985	57985	63153	26.44	26.44	27.25
GRANDE RONDE - NEAR PERRY	6.60	5440	489	489	2578	2.46	2.46	4.68
MALHEUR - AGENCY VALLEY DAM			600	600	861
GRANDE RONDE - TROY	10.00	20128	8415	8415	16010	7.19	7.19	9.16
SNAKE - NEAR ANATONE	20.00	150000	85306	85306	95606	13.46	13.46	14.55
SELWAY - NEAR LOWELL	14.00	43181	24281	24281	24281	10.64	10.64	10.64
LOCHSA - NEAR LOWELL			15834	15834	16622	8.96	8.96	9.20
SNAKE - LOWER GRANITE DAM			136679	136679	149522
SF CLEARWATER - AT STITES	8.00	9846	5501	5501	7484	6.36	6.36	7.16
CLEARWATER - AT OROFINO	17.00	75187	49273	49273	49273	13.77	13.77	13.77
NF CLEARWATER - DWORSHAK DAM			20286	20286	26284
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			124	124	396	5.55	5.55	6.52
CLEARWATER - AT SPALDING	18.00	107596	51373	51373	60172	12.31	12.31	13.34
PALOUSE - NEAR POTLATCH	15.00	3882	71	71	482	5.92	5.92	7.95
SF PALOUSE - AT PULLMAN	7.00	2487	16	20	30	1.38	1.51	1.75
PALOUSE - AT HOOPER			318	318	318	4.74	4.74	4.74
MILL CREEK - NR WALLA WALLA			118	204	586	13.83	14.17	14.93
WALLA WALLA - NEAR TOUCHET	13.00	7650	701	916	2196	5.23	5.64	7.51
UMATILLA - NEAR GIBBON	7.00	2496	468	468	943	4.30	4.30	5.17
UMATILLA - AT PENDLETON	12.30	9550	593	597	2382	5.66	5.66	7.43
JOHN DAY - NEAR JOHN DAY	8.00	2596	694	720	1125	5.16	5.21	5.94
NF JOHN DAY - AT MONUMENT	14.00	19143	3751	3751	7236	6.68	6.68	8.62
JOHN DAY - AT SERVICE CK	11.50	15076	5318	5318	8840	7.13	7.13	8.97
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	5738	5738	6708	3.35	3.35	3.61
KLICKITAT - NEAR PITT	9.00	8900	2908	2908	3148	5.99	5.99	6.14
HOOD - NEAR TUCKER BRIDGE	13.00	13504	874	1267	2284	4.02	4.66	5.90
WHITE SALMON - NEAR UNDERWOOD			1592	1592	1837	4.59	4.59	4.80
SANDY - NEAR MARMOT			739	1534	3621	691.16	692.09	693.46
SANDY - SANDY	19.30	40323	1086	2198	7750	8.78	9.74	12.31
MF WILLAMETTE - HILLS CREEK DAM			1396	1744	3668
FALL CREEK - FALL CREEK RESERVOIR			255	362	1827
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			116	130	352
ROW - DORENA DAM			281	812	3898
MCKENZIE - BELOW TRAIL BRIDGE DAM			1172	1172	1424	6.92	6.92	7.20
SF MCKENZIE - COUGAR DAM			800	1188	2410
BLUE - BLUE RESERVOIR			247	540	2034
MOHAWK - NEAR SPRINGFIELD	15.00	6363	206	234	964	1.89	2.01	4.57
LONG TOM - FERN RIDGE DAM			224	354	771
MARYS - NEAR PHILOMATH	20.00	4304	132	132	303	3.58	3.58	5.39
LITTLE N SANTIAM - NEAR MEHAMA			480	1172	3282	3.94	4.90	6.64
THOMAS CREEK - NEAR SCIO	18.00	14297	104	281	1069	4.65	5.49	7.37
LUCKIAMUTE - NEAR SUVER	27.00	6488	244	247	473	4.80	4.83	6.76
S YAMHILL - NEAR WILLAMINA			132	163	502	2.25	2.37	3.31
S YAMHILL - AT MCMINNVILLE	50.00	17632	262	363	810	11.81	12.50	14.90
MOLALLA - NEAR CANBY	23.00	24837	569	894	2818	11.50	11.99	13.90
PUDDING - AT AURORA	22.00	6076	400	497	1104	7.11	7.59	9.99
CLACKAMAS - THREE LYNX			1691	2027	3936	2.07	2.47	4.25
CLACKAMAS - AT ESTACADA	20.00	24793	2324	2933	6895	12.73	13.12	14.95
CLACKAMAS - NEAR OREGON CITY	39.00	40050	2530	3244	7840	25.11	25.67	28.34
JOHNSON CREEK - AT SYCAMORE	11.00	1250	18	26	104	1.71	1.90	3.12
COWLITZ - AT PACKWOOD	10.50	24411	3234	4112	6898	3.25	3.75	5.03
COWLITZ - AT RANDLE	18.00	17568	3749	4890	8828	7.76	8.67	11.69
CISPUS - NEAR RANDLE			1353	1709	2728	15.08	15.50	16.43
COWLITZ - NEAR KOSMOS			5576	7167	12672	68.59	69.60	72.63
TILTON - NEAR CINEBAR			280	814	1899	3.09	4.05	5.21
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	43432	1588	2596	4886	121.70	122.45	123.71
NEHALEM - FOSS	15.00	25307	501	610	2270	2.91	3.18	5.53
WILSON - NEAR TILLAMOOK	12.00	14054	217	482	2178	3.82	4.31	5.81
TRASK - TILLAMOOK	16.50	12678	269	438	1484	6.51	6.93	8.59
NESTUCCA - NEAR BEAVER	18.00	20010	272	448	1688	5.28	5.68	7.25
SILETZ - AT SILETZ	16.00	18873	320	860	2180	3.02	4.01	5.64
ALSEA - NEAR TIDEWATER	18.00	20106	488	538	1342	2.62	2.74	4.16
SIUSLAW - NEAR MAPLETON	18.00	22123	849	849	2106	4.37	4.37	5.89
S UMPQUA - AT TILLER	18.00	29761	915	1309	2448	3.25	3.94	5.34
DEER CREEK - NEAR ROSEBURG	10.00	2100	8	9	114	2.60	2.80	4.00
STEAMBOAT CREEK - NEAR GLIDE			382	532	3339	1.56	1.91	5.61
N UMPQUA - AT WINCHESTER	26.00	82464	2961	3812	8388	3.83	4.34	6.44
ELK CREEK - NEAR DRAIN	16.00	7253	35	38	245	1.17	1.20	2.85
SF COQUILLE - AT POWERS			169	398	1540	1.17	1.94	4.38
NF COQUILLE - NEAR MYRTLE POINT	35.00	20000	200	206	362	4.95	5.01	6.01
BIG BUTTE CREEK - NEAR MCLEOD			137	180	490	3.21	3.40	4.38
ELK CREEK - NEAR TRAIL			78	132	319	4.08	4.39	5.22
BEAR CREEK - AT MEDFORD	10.00	5265	163	176	434	3.27	3.31	4.04
ILLINOIS - AT KERBY	35.00	49076	877	877	2348	4.61	4.61	7.61
CHETCO - NEAR BROOKINGS			389	1240	4820	-0.15	1.38	4.62

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