Water Supply Forecast Listing

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Summary for Water Year (2025)

Ensemble Date: 2025-05-01 Issued Date: 2025-05-01

#	ID	Servicing WFO	Forecast Period	Name	90% Exceedence KAF	50% Exceedence KAF	% Normal	10% Exceedence KAF	30 Year Normal
1	WTLO3	PQR	APR-SEP	SOUTH SANTIAM - AT WATERLOO	336	386	65	524	590
2	WSRI1	BOI	APR-SEP	WEISER - NEAR WEISER	408	428	110	478	389
3	WODI1	PIH	APR-SEP	LITTLE WOOD - NEAR CAREY	33.65	41.47	54	61.78	76.59
4	WHBI1	MSO	APR-SEP	SALMON - AT WHITEBIRD	5798	6202	101	7198	6158
5	WGCM8	MSO	APR-SEP	MF FLATHEAD - NEAR WEST GLACIER	1337	1476	87	1770	1697
6	WEII1	BOI	APR-SEP	SNAKE - AT WEISER	5512	5734	96	6309	5956
7	WDHN2	LKN	APR-SEP	OWYHEE - WILDHORSE DAM	13.7	14.1	89	23.25	15.92
8	VIDO3	PQR	APR-SEP	MCKENZIE - NEAR VIDA	995	1042	87	1124	1195
9	UNYO3	PDT	APR-SEP	BURNT - Unity Dam & Burnt RVR NR Hereford	44.52	46.19	149	54.4	31.00
10	TRYO3	PDT	APR-SEP	GRANDE RONDE - TROY	910	1035	78	1434	1331
11	TOPI1	PIH	APR-SEP	PORTNEUF - AT TOPAZ	61.53	62.88	87	67.98	72.20
12	TONW1	OTX	APR-SEP	OKANOGAN - NEAR TONASKET	855	1007	59	1192	1720
13	TEAI1	PIH	APR-SEP	TETON - NEAR ST. ANTHONY	336	394	88	466	447
14	TDAO3	PDT	APR-SEP	COLUMBIA - THE DALLES DAM	75042	79024	84	86432	94166
15	SWAI1	BOI	APR-SEP	SNAKE - BELOW SWAN FALLS	2521	2617	80	2902	3258
16	STHW1	OTX	APR-SEP	STEHEKIN - AT STEHEKIN	546	576	71	612	814
17	SRGM8	MSO	APR-SEP	CLARK FORK - AT ST REGIS	2588	2872	76	3313	3771
18	SPOW1	OTX	APR-SEP	SPOKANE - AT SPOKANE	1866	1994	77	2388	2587
19	SPDI1	OTX	APR-SEP	CLEARWATER - AT SPALDING	5672	6050	81	7051	7481
20	SMNI1	MSO	APR-SEP	SALMON - AT SALMON	824	905	97	1088	929
21	SMKQ2	CAN	APR-SEP	SIMILKAMEEN - NEAR HEDLEY	604	663	66	763	1004
22	SLMO3	PQR	APR-SEP	WILLAMETTE - AT SALEM	3434	3725	78	4460	4754
23	SLCQ2	CAN	APR-SEP	SLOCAN - NEAR CRESCENT VALLEY	1309	1519	79	1743	1933
24	SKHI1	BOI	APR-SEP	SNAKE - AT KING HILL	2457	2558	75	2859	3412
25	SHYI1	PIH	APR-SEP	SNAKE - NEAR SHELLEY	3914	4290	87	4995	4905
26	SFLN2	PIH	APR-SEP	SALMON FALLS CREEK - NR SAN JACINTO	67.96	78.46	116	102	67.85
27	SERO3	PDT	APR-SEP	JOHN DAY - AT SERVICE CK	837	900	113	1105	798
28	SALW4	RIW	APR-SEP	SALT - ABV PALISADES RES NR ETNA	327	356	97	411	368
29	RYGO3	MFR	APR-SEP	ROGUE - AT RAYGOLD	849	879	106	975	831
30	RISW1	OTX	APR-SEP	COLUMBIA - BLO ROCK ISLAND DAM	52413	55651	82	61727	67524
31	RIRI1	PIH	APR-SEP	WILLOW CREEK - NEAR RIRIE	46.81	48.86	81	60.26	60.33
32	RIMW1	PDT	APR-SEP	TIETON - AT TIETON DAM	212	224	100	241	225
33	REXI1	PIH	APR-SEP	HENRYS FORK - AT REXBURG	1072	1189	70	1411	1710
34	REVQ2	CAN	APR-SEP	COLUMBIA - REVELSTOKE DAM	13802	14839	86	15865	17242
35	QBYQ2	CAN	APR-SEP	KOOTENAI - KOOTENAY L AT QUEENS BAY	11883	12763	81	14883	15842
36	PRTI1	OTX	APR-SEP	PRIEST - NEAR PRIEST RIVER	667	733	87	931	843
37	PRDW1	OTX	APR-SEP	COLUMBIA - BLO PRIEST RAPIDS DAM	52580	55818	82	61895	68162
38	PLNM8	MSO	APR-SEP	CLARK FORK - NEAR PLAINS	7930	8830	84	9906	10574
39	PESW1	OTX	APR-SEP	WENATCHEE - AT PESHASTIN	1160	1217	81	1306	1496
40	PDTO3	PDT	APR-SEP	UMATILLA - AT PENDLETON	96.66	105	66	152	158
41	PATW1	OTX	APR-SEP	METHOW - NEAR PATEROS	642	711	74	775	965
42	PARW1	PDT	APR-SEP	YAKIMA - NEAR PARKER	1677	1728	91	1818	1899
43	PARI1	BOI	APR-SEP	BOISE - NEAR PARMA	515	547	94	647	584
44	PALI1	PIH	APR-SEP	SNAKE - NEAR IRWIN	3012	3299	92	3731	3577
45	OWYO3	BOI	APR-SEP	OWYHEE - OWYHEE DAM	258	270	80	344	336
46	ORFI1	MSO	APR-SEP	CLEARWATER - AT OROFINO	3699	3945	85	4646	4632
47	NITW1	OTX	APR-SEP	SIMILKAMEEN - NEAR NIGHTHAWK	717	808	59	973	1366
48	NACW1	PDT	APR-SEP	NACHES - NEAR NACHES	675	708	88	751	807
49	MYDW1	PQR	APR-SEP	COWLITZ - MAYFIELD RESERVOIR	1450	1599	86	1895	1864
50	MONO3	PDT	APR-SEP	NF JOHN DAY - AT MONUMENT	539	594	105	750	564
51	MODO3	PDT	APR-SEP	DESCHUTES - AT MOODY NR BIGGS	1872	1895	100	1941	1902
52	MEWW1	PQR	APR-SEP	LEWIS - MERWIN DAM	784	857	79	1054	1082
53	MEHO3	PQR	APR-SEP	NORTH SANTIAM - AT MEHAMA	570	633	74	776	855
54	MCDW1	PDT	APR-SEP	COLUMBIA - MCNARY DAM	72236	76183	82	83556	92790
55	MCDQ2	CAN	APR-SEP	COLUMBIA - MICA DAM	9505	10237	83	10911	12296
56	MAGI1	PIH	APR-SEP	BIG WOOD - MAGIC DAM	151	168	70	229	240
57	MADO3	BOI	APR-SEP	MALHEUR - NEAR DREWSEY	132	135	207	151	64.84
58	MACI1	PIH	APR-SEP	BIG LOST - MACKAY RESERVOIR NEAR MACKAY	91.92	113	83	173	136
59	LYDM8	MSO	APR-SEP	KOOTENAI - LIBBY DAM	4358	4834	75	5784	6429
60	LUCI1	BOI	APR-SEP	BOISE - LUCKY PEAK DAM	1230	1329	100	1478	1329
61	LSTO3	PDT	APR-SEP	LOSTINE - NR LOSTINE	87.84	99.92	86	119	116
62	LLKW1	OTX	APR-SEP	SPOKANE - AT LONGLAKE	2135	2264	78	2668	2901
63	LGNO3	PDT	APR-SEP	GRANDE RONDE - NEAR PERRY	91.47	104	59	180	176
64	LGDW1	OTX	APR-SEP	SNAKE - LOWER GRANITE DAM	18913	19967	90	23089	22232
65	LEOI1	OTX	APR-SEP	KOOTENAI - AT LEONIA	5456	6008	77	7087	7803
66	LAUW1	OTX	APR-SEP	KETTLE - AT LAURIER	1642	1958	100	2416	1954
67	KIOW1	PDT	APR-SEP	YAKIMA - AT KIONA	719	756	66	830	1149
68	KERM8	MSO	APR-SEP	FLATHEAD - SELI’Š KSANKA QLISPE’ DAM	4934	5460	83	6516	6577
69	KEEW1	PDT	APR-SEP	YAKIMA - NEAR MARTIN	82.19	90.61	70	104	129
70	KACW1	PDT	APR-SEP	KACHESS - NEAR EASTON	71.38	78.23	69	88.93	114
71	JLKW4	RIW	APR-SEP	SNAKE - JACKSON LAKE AT DAM	670	727	86	826	849
72	JDAO3	PDT	APR-SEP	COLUMBIA - JOHN DAY DAM	74434	78402	85	85803	92354
73	IMNO3	PDT	APR-SEP	IMNAHA - AT IMNAHA	212	241	87	301	277
74	HWRI1	PIH	APR-SEP	BIG LOST - AT HOWELL RANCH NEAR CHILLY	103	126	73	184	172
75	HRSI1	BOI	APR-SEP	PAYETTE - NEAR HORSESHOE BEND	1728	1831	115	2006	1597
76	HOTI1	BOI	APR-SEP	BRUNEAU - NEAR HOT SPRINGS	89.53	106	58	145	183
77	HLKW1	PDT	APR-SEP	YAKIMA - NEAR HORLICK	691	727	76	780	962
78	HHWM8	MSO	APR-SEP	SF FLATHEAD - HUNGRY HORSE DAM	1691	1846	88	2120	2088
79	HEII1	PIH	APR-SEP	SNAKE - NEAR HEISE	3214	3516	91	3990	3849
80	HCDI1	PDT	APR-SEP	SNAKE - AT HELLS CANYON DAM	6067	6301	94	6917	6725
81	HALI1	PIH	APR-SEP	BIG WOOD - AT HAILEY	189	208	81	264	257
82	GREW4	RIW	APR-SEP	GREYS - AB RES NR ALPINE	353	380	103	434	371
83	GIBO3	PDT	APR-SEP	UMATILLA - NEAR GIBBON	59.17	63.6	77	78.77	82.43
84	GCDW1	OTX	APR-SEP	COLUMBIA - GRAND COULEE DAM	48148	51232	83	57164	61483
85	FCFM8	MSO	APR-SEP	NF FLATHEAD - NEAR COLUMBIA FALLS	1173	1294	74	1553	1750
86	ESTO3	PQR	APR-SEP	CLACKAMAS - AT ESTACADA	541	596	81	674	733
87	ENVI1	OTX	APR-SEP	NF COEUR D ALENE - AT ENAVILLE	525	565	76	717	743
88	EMMI1	BOI	APR-SEP	PAYETTE - NEAR EMMETT	1418	1505	114	1650	1325
89	EGCO3	BOI	APR-SEP	EAGLE CREEK - ABOVE SKULL CK	163	179	103	197	174
90	EASI1	OTX	APR-SEP	MOYIE - AT EASTPORT	258	292	74	381	395
91	DWRI1	MSO	APR-SEP	NF CLEARWATER - DWORSHAK DAM	1855	1975	75	2316	2620
92	DRSW1	SEW	APR-SEP	DUNGENESS - NEAR SEQUIM	114	123	85	136	145
93	DRBI1	BOI	APR-SEP	DEADWOOD - BELOW DEADWOOD RES	154	163	121	181	135
94	DONO3	BOI	APR-SEP	DONNER UND BLITZEN - NR FRENCHGLEN	70.66	76.88	123	88.53	62.51
95	DCDQ2	CAN	APR-SEP	DUNCAN - DUNCAN DAM	1797	1902	86	2058	2224
96	DARM8	MSO	APR-SEP	BITTERROOT - NEAR DARBY	342	398	77	498	519
97	CSCI1	BOI	APR-SEP	NF PAYETTE - CASCADE DAM	474	500	103	570	487
98	CONW1	SEW	APR-SEP	SKAGIT - NEAR CONCRETE	4503	4807	81	5484	5955
99	COEI1	OTX	APR-SEP	COEUR D ALENE - COEUR D ALENE LAKE	1802	1924	77	2288	2504
100	CLEW1	PDT	APR-SEP	CLE ELUM - NEAR ROSLYN	273	290	69	317	419
101	CLDI1	OTX	APR-SEP	ST JOE - AT CALDER	908	964	85	1107	1138
102	CIBW1	OTX	APR-SEP	COLUMBIA - AT INTL BOUNDARY	44047	46888	82	51393	56951
103	CHEI1	PIH	APR-SEP	FALL RIVER - NEAR CHESTER	309	342	91	404	377
104	CHDW1	OTX	APR-SEP	CHELAN - LAKE CHELAN DAM	698	747	66	791	1139
105	CFMM8	MSO	APR-SEP	FLATHEAD - AT COLUMBIA FALLS	4294	4718	84	5550	5634
106	CASW1	PQR	APR-SEP	COWLITZ - AT CASTLE ROCK	1883	2073	83	2454	2504
107	CABI1	OTX	APR-SEP	CLARK FORK - CABINET GORGE DAM	8769	9772	84	10979	11639
108	BUSO3	BOI	APR-SEP	SILVIES - NEAR BURNS	177	178	249	187	71.47
109	BUMW1	PDT	APR-SEP	BUMPING - BELOW BUMPING DAM	108	114	91	120	125
110	BRNI1	BOI	APR-SEP	SNAKE - BROWNLEE DAM	6001	6234	97	6851	6398
111	BONO3	PQR	APR-SEP	COLUMBIA - BONNEVILLE DAM	76080	80066	84	87544	95202
112	BONM8	MSO	APR-SEP	BLACKFOOT - NEAR BONNER	547	617	69	731	891
113	BITM8	MSO	APR-SEP	BITTERROOT - NEAR MISSOULA	970	1088	84	1292	1289
114	BIRQ2	CAN	APR-SEP	COLUMBIA - AT BIRCHBANK	32439	34668	81	37496	42578
115	BFEI1	OTX	APR-SEP	KOOTENAI - AT BONNERS FERRY	5886	6509	77	7718	8463
116	BEUO3	BOI	APR-SEP	NF MALHEUR - AT BEULAH	112	117	198	138	59.29
117	BELM8	MSO	APR-SEP	CLARK FORK - BELOW MISSOULA	1920	2178	75	2583	2893
118	ARDQ2	OTX	APR-SEP	COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)	18802	20120	84	21779	24059
119	ARAI1	BOI	APR-SEP	SF BOISE - ANDERSON RANCH DAM	413	447	90	522	495
120	ANTI1	PIH	APR-SEP	HENRYS FORK - AT ST. ANTHONY	623	674	85	792	794
121	AMFI1	PIH	APR-SEP	SNAKE - AT AMERICAN FALLS DAM	1756	2139	82	2855	2624
122	ALFW1	OTX	APR-SEP	PEND OREILLE - ALBENI FALLS DAM	10413	11326	85	12997	13347
123	ABOM8	MSO	APR-SEP	CLARK FORK - ABOVE MISSOULA	953	1130	72	1336	1571
124	ABBM8	MSO	APR-SEP	CLARK FORK - ABOVE BLACKFOOT	398	476	70	629	680

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

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