Peakflow Report

Northwest River Forecast Center Peak Flow Forecasts Ensemble Date: 2025-12-01 Forecast Period: December 01 to April 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			7447	8036	15872
BAKER - UPPER BAKER LAKE			14846	16556	26874
COWLITZ - MOSSYROCK RESERVOIR			22185	27561	44662
CEDAR - CHESTER MORSE LAKE			3589	4464	9398
NISQUALLY - ALDER RESERVOIR			9327	13266	27659
BULLY CREEK - BULLY CREEK DAM			16	738	2160
TEANAWAY - BELOW FORKS			2667	2827	5266	13.58	13.68	14.85
SF COQUILLE - AT MYRTLE POINT	33.00	21398	9366	19111	40175	21.81	31.85	37.49
WHITE - AT MUD MOUNTAIN DAM		9000	6042	7814	18624
GREEN - HOWARD HANSON DAM			4374	7332	12459
SILVIES - NEAR BURNS	12.00	2565	164	622	1512	2.44	5.00	9.07
DONNER UND BLITZEN - NR FRENCHGLEN	6.00	2141	178	395	958	2.61	3.23	4.33
NASELLE - NEAR NASELLE	15.00	7180	2357	5059	11531	9.05	12.67	19.07
WILLAPA - NEAR WILLAPA	21.00	11383	2812	6875	14717	10.64	17.03	23.32
CHEHALIS - NEAR DOTY	318.00	12747	3711	8303	16204	311.98	315.34	319.80
NEWAUKUM - NEAR CHEHALIS	202.50	4606	2740	5146	9556	199.64	203.13	205.68
CHEHALIS - NEAR CENTRALIA	168.50	23709	9870	16528	26710	162.84	165.97	169.40
SKOOKUMCHUCK - NEAR BUCODA	211.50	3730	1678	3308	6638	207.98	210.84	214.04
SKOOKUMCHUCK - AT CENTRALIA	189.00	7672	2036	3744	6942	182.66	185.33	188.45
CHEHALIS - NEAR GRAND MOUND	141.00	19410	13444	22544	38650	138.78	141.96	144.00
CHEHALIS - AT PORTER	48.00	23088	16166	25450	39298	45.82	48.47	50.19
SATSOP - NEAR SATSOP	38.00	24304	11007	18882	31360	35.37	37.27	38.91
WYNOOCHEE - WYNOOCHEE DAM			3424	5343	10102
CALAWAH - NEAR FORKS			15022	21100	26723	13.84	16.19	18.13
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES	20.00	18837	4966	8556	18484	13.18	15.09	19.84
DUNGENESS - NEAR SEQUIM	7.00	4279	1070	1695	3030	4.51	5.16	6.22
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT			3540	7328	13072	6.38	8.31	10.46
SF SKOKOMISH - NEAR UNION			7340	12129	20366	4.58	6.01	7.94
DESCHUTES - NEAR RAINIER	11.00	4810	1153	3266	5564	6.14	9.35	11.69
NISQUALLY - NEAR NATIONAL	9.77	8000	4562	5928	12531	8.44	9.02	11.11
MINERAL CREEK - NEAR MINERAL			2681	4997	10586	12.11	13.56	16.00
PUYALLUP - NEAR ORTING	9.88	10000	4157	4652	14039	8.22	8.41	10.80
CARBON - NEAR FAIRFAX	13.50	7214	4559	4559	6714	12.12	12.12	13.26
SOUTH PRAIRIE - AT SOUTH PRAIRIE	29.64	4000	2111	2648	5348	28.36	29.01	31.70
WHITE - AT R STREET	115.12	7500	6660	8399	21028	114.77	115.48	116.64
ISSAQUAH CREEK - NEAR MOUTH	10.69	2000	566	1522	3471	6.62	9.51	13.74
SKYKOMISH - NEAR GOLD BAR	15.00	32013	34490	34490	58761	15.40	15.40	18.69
MF SNOQUALMIE - NEAR TANNER			11861	12822	32932	10.19	10.55	16.19
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS			4179	4332	10681	7.57	7.67	10.76
SF SNOQUALMIE - NEAR GARCIA			2140	2667	6040	13.82	14.34	17.01
SNOQUALMIE - NEAR SNOQUALMIE	13.54	20000	19433	22726	59874	13.37	14.32	19.18
PILCHUCK - NEAR SNOHOMISH	18.00	6788	2422	3310	5689	13.73	14.67	17.03
NF STILLAGUAMISH - NEAR ARLINGTON	13.00	22675	10027	14676	23667	7.95	10.00	13.34
STILLAGUAMISH - NEAR ARLINGTON	14.00	35100	19880	30848	48014	9.62	12.83	17.37
SAUK - NEAR SAUK			30611	30611	49392	10.30	10.30	12.56
SKAGIT - NEAR MT VERNON	28.00	65731	66159	66159	105271	28.15	28.15	34.28
SAMISH - NEAR BURLINGTON	11.24	3000	1120	1726	5034	8.54	9.73	13.53
NF NOOKSACK - NEAR GLACIER			2152	2630	4079	4.56	5.05	6.36
MF NOOKSACK - NEAR DEMING			2284	2921	7399	5.16	5.55	7.16
SF NOOKSACK - AT SAXON BRIDGE	8.00	12301	4926	8092	11072	4.70	6.31	7.54
NOOKSACK - AT CEDARVILLE	146.50	33121	12230	17554	25730	142.54	143.83	145.38
KOOTENAI - LIBBY DAM INFLOW			4702	4702	8375
FISHER - NEAR LIBBY	7.50	4389	498	884	1804	4.07	4.70	5.71
YAAK - NEAR TROY	8.00	6976	267	692	2124	3.43	4.22	5.70
MOYIE - AT EASTPORT	9.00	6904	406	718	1521	4.32	4.77	5.62
CLARK FORK - AT DEER LODGE	6.00		149	221	384	2.83	3.01	3.18
CLARK FORK - NR DRUMMOND	8.00	5036	518	888	1314	2.98	3.64	4.25
ROCK CREEK - NEAR CLINTON	9.00	6946	212	326	641	5.16	5.38	5.85
BLACKFOOT - NEAR BONNER	10.00	15449	508	1183	2496	1.95	2.88	4.09
CLARK FORK - ABOVE MISSOULA	7.50	12035	1305	2368	4429	2.54	3.22	4.40
BITTERROOT - NEAR DARBY	7.50	8122	244	494	1355	1.70	2.28	3.51
BITTERROOT - NEAR MISSOULA	11.00	16639	1535	2290	4242	3.97	4.57	5.83
CLARK FORK - BELOW MISSOULA	11.00	48603	2685	4096	7746	1.38	2.06	3.44
ST. REGIS - NEAR ST. REGIS	8.00	5618	371	612	1336	2.79	3.24	4.26
CLARK FORK - AT ST REGIS	19.00	60626	4393	5922	10082	6.30	7.04	8.67
NF FLATHEAD - NEAR COLUMBIA FALLS	13.00	35864	1616	1800	4599	2.78	2.92	4.50
MF FLATHEAD - NEAR WEST GLACIER	10.00	25750	1303	1303	5397	2.49	2.49	4.33
SF FLATHEAD - HUNGRY HORSE DAM			1490	3302	9816
FLATHEAD - AT COLUMBIA FALLS	13.00	41795	3889	5114	12509	3.91	4.47	6.95
STILLWATER - NEAR LAWRENCE PARK	7.50	2570	176	284	582	3.11	3.46	4.25
WHITEFISH - NEAR KALISPELL	5.40	1502	81	140	268	1.59	1.90	2.41
SWAN - NEAR BIGFORK	6.50	7054	745	1224	2004	2.74	3.22	3.83
CLARK FORK - NEAR PLAINS	16.00	95805	15100	15916	22077	5.66	5.83	6.96
THOMPSON - NEAR THOMPSON FALLS	7.00	3728	533	745	1771	3.53	3.83	5.06
PROSPECT CREEK - AT THOMPSON FALLS	7.50	3242	295	536	1276	2.33	3.14	4.65
PEND OREILLE - LAKE PEND OREILLE NR HOPE	2063.50					2051.40	2051.40	2052.10
PRIEST - NEAR PRIEST RIVER			1276	1668	5530	2.21	2.66	5.85
PEND OREILLE - ALBENI FALLS DAM		95000	21922	26870	31158
KETTLE - NEAR FERRY	18.50	14605	225	740	2595	9.59	10.59	12.35
KETTLE - AT LAURIER			700	1558	4414	3.55	4.64	6.56
COLVILLE - AT KETTLE FALLS			392	807	1781	6.62	7.45	8.37
NF COEUR D ALENE - NEAR PRICHARD			1232	2400	4728	3.07	4.14	5.65
NF COEUR D ALENE - AT ENAVILLE	72.00	26813	3934	7458	20486	61.86	64.38	70.30
COEUR D ALENE - AT CATALDO	43.00	18298	5334	10256	25010	37.19	40.53	44.59
ST JOE - AT CALDER	13.00	19055	3814	6301	13684	8.30	9.42	11.88
ST MARIES - NEAR SANTA			950	2064	8020	6.25	7.54	11.30
COEUR D ALENE - COEUR D ALENE LAKE	2133.00					2125.80	2127.10	2130.00
SPOKANE - AT SPOKANE	27.00	30670	9884	15628	24772	21.81	23.45	25.70
HANGMAN CREEK - AT SPOKANE	11.00	8206	1835	3588	6158	5.32	6.84	9.12
LITTLE SPOKANE - AT DARTFORD	6.50	2275	392	914	1622	3.50	4.84	5.82
SIMILKAMEEN - NEAR NIGHTHAWK	14.00	25115	2619	2619	3563	5.03	5.03	5.74
OKANOGAN - NEAR TONASKET	15.00	18277	3307	3307	6624	7.18	7.18	9.39
OKANOGAN - AT MALOTT			3363	3364	6613	5.16	5.16	7.09
METHOW - AT WINTHROP			577	995	2008	10.72	11.37	12.34
METHOW - NEAR PATEROS	10.00	18282	845	1248	2445	2.52	3.00	4.03
STEHEKIN - AT STEHEKIN	24.00	8725	1977	1977	3692	20.60	20.60	21.51
CHELAN - LAKE CHELAN DAM			3911	3911	7422
ENTIAT - NEAR ARDENVOIR	7.50	4109	869	869	912	3.67	3.67	3.75
WENATCHEE - AT PESHASTIN	13.00	24180	7777	7777	8801	6.89	6.89	7.36
COLUMBIA - BLO PRIEST RAPIDS DAM	32.00	404000	109896	123790	140470	14.46	15.63	16.98
YAKIMA - NEAR HORLICK	36.00	13500	4559	5208	9875	32.12	32.51	34.79
NACHES - NEAR NACHES	17.80	8086	3468	4285	11268	15.40	15.86	19.19
YAKIMA - NEAR PARKER	10.00	18954	8781	10784	26691	7.02	7.72	11.70
YAKIMA - AT KIONA	13.00	18099	9485	11738	22996	9.55	10.54	14.64
SNAKE - AB JACKSON L AT FLAGG R	10.00	13055	215	215	513	2.32	2.32	3.01
SNAKE - JACKSON LAKE AT DAM			376	402	1042
PACIFIC CREEK - AT MORAN	8.50	4149	33	42	126	4.11	4.22	4.86
BUFFALO FK - AB LAVA CR NR MORAN	8.50	7000	167	167	238	1.02	1.02	1.23
GROS VENTRE - AT ZENITH			64	74	164	17.95	18.03	18.52
GREYS - AB RES NR ALPINE			222	250	588	1.29	1.36	1.98
SALT - ABV PALISADES RES NR ETNA	5.50	3470	448	484	933	1.96	2.02	2.73
SNAKE - NEAR HEISE	8.00	19882	3130	3334	3696	2.50	2.58	2.73
FALL RIVER - NEAR CHESTER	6.50	6679	446	463	772	2.27	2.30	2.73
HENRYS FORK - AT ST. ANTHONY	7.00	9071	1482	1725	2516	3.70	3.86	4.30
TETON - AB S. LEIGH CR NR DRIGGS	4.20	1768	195	282	423	1.57	1.76	2.05
TETON - NEAR ST. ANTHONY	6.00	4754	382	532	756	2.03	2.36	2.75
HENRYS FORK - AT REXBURG	9.50	7297	1770	2077	3033	4.40	4.86	6.21
SNAKE - NEAR SHELLEY	12.50	29089	3527	4096	5258	5.98	6.23	6.67
SNAKE - NEAR BLACKFOOT	11.00	24233	3107	3670	4850	3.50	3.86	4.55
PORTNEUF - AT TOPAZ	4.00	498	132	248	336	2.70	3.23	3.53
PORTNEUF - AT POCATELLO	8.50	812	275	466	682	5.09	6.49	7.80
SALMON FALLS CREEK - NR SAN JACINTO	10.00	1211	108	303	702	5.81	6.80	8.35
BIG LOST - AT HOWELL RANCH NEAR CHILLY	4.00	2189	91	91	266	1.00	1.00	1.60
BIG LOST - MACKAY RESERVOIR NEAR MACKAY			164	164	426
BIG WOOD - AT HAILEY	6.00	3416	149	194	430	1.59	1.75	2.39
BIG WOOD - MAGIC DAM			178	578	2012
BRUNEAU - NEAR HOT SPRINGS	9.50	3265	140	476	970	4.93	5.71	6.53
OWYHEE - NEAR MTN CITY	8.00	1212	66	142	352	4.28	4.77	5.57
OWYHEE - OWYHEE DAM		3000	3239	6397	14806
BOISE - NR TWIN SPRINGS			1578	2788	6105	7.38	8.54	10.62
SF BOISE - NR FEATHERVILLE	7.20	7931	492	812	1656	2.35	2.82	3.70
SF BOISE - ANDERSON RANCH DAM			598	1153	2534
MORES CREEK - NR ARROWROCK DAM	8.80	4845	562	1468	3345	3.79	5.35	7.49
MALHEUR - NEAR DREWSEY			398	970	2094	4.37	6.08	8.19
MALHEUR - NEAR VALE	19.50	3892	278	536	3416	11.97	12.91	18.79
SF PAYETTE - AT LOWMAN	7.50	6928	442	682	1416	3.44	3.77	4.49
MF PAYETTE - NEAR CROUCH	11.80	3318	538	1152	2214	6.80	8.18	10.29
PAYETTE - NEAR EMMETT	10.50	15924	2269	4442	7278	3.45	5.07	6.77
WEISER - NEAR CAMBRIDGE	12.00	9278	1521	2518	4464	5.85	6.99	8.74
WEISER - NEAR WEISER	9.50	8663	2572	5613	9360	6.71	8.31	9.74
EAGLE CREEK - ABOVE SKULL CK			210	424	814	1.16	1.60	2.16
SNAKE - BROWNLEE DAM			18418	26491	43924
IMNAHA - AT IMNAHA	5.50	3431	476	916	2066	2.70	3.39	4.55
SALMON - AT SALMON	7.50	11686	1156	1277	1870	2.32	2.43	2.93
LEMHI - NEAR LEMHI	6.50	1490	200	200	279	3.94	3.94	4.22
MF SALMON - MIDDLE FORK LODGE			646	1312	3511	1.67	2.35	3.89
LITTLE SALMON - AT RIGGINS	10.00	7853	728	1470	3082	3.84	4.98	6.86
SALMON - AT WHITEBIRD	32.00	97533	4645	7458	16586	12.92	14.36	17.69
GRANDE RONDE - NEAR PERRY	6.60	5440	569	1762	3226	2.60	4.01	5.15
MALHEUR - AGENCY VALLEY DAM			320	626	1190
GRANDE RONDE - TROY	10.00	20128	4936	10020	17309	5.86	7.68	9.43
SNAKE - NEAR ANATONE	20.00	150000	29045	43296	63462	6.44	8.54	11.06
SELWAY - NEAR LOWELL	14.00	43181	3012	6716	12530	4.90	6.43	8.02
LOCHSA - NEAR LOWELL			3322	5654	10174	4.19	5.32	7.11
SNAKE - LOWER GRANITE DAM			42717	67274	91970
SF CLEARWATER - AT STITES	8.00	9846	1247	2535	4744	4.10	4.95	6.03
CLEARWATER - AT OROFINO	17.00	75187	8870	17975	28454	5.96	8.38	10.49
NF CLEARWATER - DWORSHAK DAM			10189	14510	33229
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING			2092	3926	19899	9.43	11.05	17.35
CLEARWATER - AT SPALDING	18.00	107596	12452	23064	37358	6.09	8.23	10.47
PALOUSE - NEAR POTLATCH	15.00	3880	590	1468	5690	8.31	10.62	17.08
SF PALOUSE - AT PULLMAN	7.00	2487	324	707	1280	3.17	4.24	5.40
PALOUSE - AT HOOPER			3146	6016	11562	9.34	11.67	14.07
MILL CREEK - NR WALLA WALLA			456	1236	2776	14.80	15.92	17.32
WALLA WALLA - NEAR TOUCHET	13.00	7676	2390	4312	7093	8.07	10.20	12.51
UMATILLA - NEAR GIBBON	7.00	2525	864	1258	4552	5.19	5.71	8.48
UMATILLA - AT PENDLETON	12.30	9550	1927	3416	8771	7.01	8.29	11.94
JOHN DAY - NEAR JOHN DAY	8.00	2596	306	470	938	4.32	4.67	5.56
NF JOHN DAY - AT MONUMENT	14.00	19143	2334	5912	11536	5.66	7.90	10.68
JOHN DAY - AT SERVICE CK	11.50	15961	2674	7374	13962	5.28	8.16	10.95
DESCHUTES - AT MOODY NR BIGGS	8.00	31801	6850	9080	14231	3.65	4.13	5.11
KLICKITAT - NEAR PITT	9.00	8900	3056	5637	10502	6.08	7.50	9.63
HOOD - NEAR TUCKER BRIDGE	13.00	13504	2871	4804	9714	6.71	8.22	11.13
WHITE SALMON - NEAR UNDERWOOD			2137	3440	7371	5.03	6.30	9.19
SANDY - NEAR MARMOT			3866	6988	19561	693.57	694.74	697.76
SANDY - SANDY	19.30	40323	11248	17934	37028	13.48	15.28	18.81
MF WILLAMETTE - HILLS CREEK DAM			2602	5832	12584
FALL CREEK - FALL CREEK RESERVOIR			2881	4355	8166
COAST FORK WILLAMETTE - COTTAGE GROVE DAM			934	2266	6674
ROW - DORENA DAM			2617	6586	14166
MCKENZIE - BELOW TRAIL BRIDGE DAM			1190	1835	2750	6.94	7.62	8.34
SF MCKENZIE - COUGAR DAM			1818	3716	7290
BLUE - BLUE RESERVOIR			3180	5571	9386
MOHAWK - NEAR SPRINGFIELD	15.00	6363	2094	3614	8703	7.68	10.76	17.97
LONG TOM - FERN RIDGE DAM			2089	3890	14561
MARYS - NEAR PHILOMATH	20.00	4304	2206	3372	7118	15.94	18.68	21.18
LITTLE N SANTIAM - NEAR MEHAMA			5364	9850	14294	7.78	9.81	11.27
THOMAS CREEK - NEAR SCIO	18.00	14297	3336	7012	10579	10.73	13.85	16.07
LUCKIAMUTE - NEAR SUVER	27.00	6488	4488	8281	13446	22.63	28.50	30.36
S YAMHILL - NEAR WILLAMINA			4071	7685	12627	7.00	10.00	14.00
S YAMHILL - AT MCMINNVILLE	50.00	17632	8990	14338	21486	35.75	44.98	55.43
MOLALLA - NEAR CANBY	23.00	24837	5902	9155	16707	15.88	17.52	20.70
PUDDING - AT AURORA	22.00	6076	4775	7074	13919	19.70	22.98	26.29
CLACKAMAS - THREE LYNX			4976	9578	20271	4.95	7.42	11.44
CLACKAMAS - AT ESTACADA	20.00	24793	9061	15896	32725	15.65	17.82	21.63
CLACKAMAS - NEAR OREGON CITY	39.00	40050	12412	23726	43280	30.31	34.43	39.79
JOHNSON CREEK - AT SYCAMORE	11.00	1250	481	1212	2044	6.52	10.81	13.79
COWLITZ - AT PACKWOOD	10.50	24411	10476	11399	23678	6.23	6.54	10.31
COWLITZ - AT RANDLE	18.00	17568	14448	16504	27630	15.74	17.23	22.00
CISPUS - NEAR RANDLE			3666	4778	10558	16.89	17.31	18.72
COWLITZ - NEAR KOSMOS			21649	26635	44448	76.19	77.79	82.37
TILTON - NEAR CINEBAR			4211	8003	17810	6.96	9.45	14.43
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE	137.00	43432	8290	10892	23567	125.03	126.34	131.86
NEHALEM - FOSS	15.00	25307	11402	24526	38742	10.40	14.68	20.03
WILSON - NEAR TILLAMOOK	12.00	14054	5526	18533	28174	7.56	14.22	18.86
TRASK - TILLAMOOK	16.50	12678	4355	7671	17588	11.40	13.66	18.85
NESTUCCA - NEAR BEAVER	18.00	20010	4236	6609	21016	8.90	10.27	18.51
SILETZ - AT SILETZ	16.00	18873	6959	16710	30040	9.49	14.98	20.69
ALSEA - NEAR TIDEWATER	18.00	20106	6566	12596	22649	9.56	13.77	19.28
SIUSLAW - NEAR MAPLETON	18.00	22123	8780	18566	33934	10.97	16.33	22.94
S UMPQUA - AT TILLER	18.00	29761	2865	10272	21129	5.71	10.76	15.24
DEER CREEK - NEAR ROSEBURG	10.00	2100	486	2194	3487	5.00	10.00	12.00
STEAMBOAT CREEK - NEAR GLIDE			3266	7169	16317	5.47	8.94	13.84
N UMPQUA - AT WINCHESTER	26.00	82464	8648	20496	47400	6.53	10.15	17.29
ELK CREEK - NEAR DRAIN	16.00	7253	882	3620	6758	5.69	11.42	15.45
SF COQUILLE - AT POWERS			3870	10064	17918	6.87	10.76	14.16
NF COQUILLE - NEAR MYRTLE POINT	35.00	20000	3350	6382	13904	20.67	27.95	32.87
BIG BUTTE CREEK - NEAR MCLEOD			424	1107	2408	4.18	5.72	7.67
ELK CREEK - NEAR TRAIL			650	2765	5092	6.13	8.98	11.35
BEAR CREEK - AT MEDFORD	10.00	5265	224	822	1999	3.45	4.97	7.26
ILLINOIS - AT KERBY	35.00	49076	5376	16682	43096	11.54	19.81	32.68
CHETCO - NEAR BROOKINGS			11888	35544	60812	9.38	17.25	24.09

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