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Northwest River Forecast Center
Peak Flow Forecasts
Ensemble Date: 2025-12-01
Forecast Period: December 01 to April 1
Sites in NWRFC Area:
LocationFlood
Stage
Flood
Flow
90%
Flow
50%
Flow
10%
Flow
90%
Stage
50%
Stage
10%
Stage

SKAGIT - ROSS RESERVOIR  7447803615872   
BAKER - UPPER BAKER LAKE  148461655626874   
COWLITZ - MOSSYROCK RESERVOIR  221852756144662   
CEDAR - CHESTER MORSE LAKE  358944649398   
NISQUALLY - ALDER RESERVOIR  93271326627659   
BULLY CREEK - BULLY CREEK DAM  167382160   
TEANAWAY - BELOW FORKS  26672827526613.5813.6814.85
SF COQUILLE - AT MYRTLE POINT33.00213989366191114017521.8131.8537.49
WHITE - AT MUD MOUNTAIN DAM 90006042781418624   
GREEN - HOWARD HANSON DAM  4374733212459   
SILVIES - NEAR BURNS12.00256516462215122.445.009.07
DONNER UND BLITZEN - NR FRENCHGLEN6.0021411783959582.613.234.33
NASELLE - NEAR NASELLE15.00718023575059115319.0512.6719.07
WILLAPA - NEAR WILLAPA21.0011383281268751471710.6417.0323.32
CHEHALIS - NEAR DOTY318.00127473711830316204311.98315.34319.80
NEWAUKUM - NEAR CHEHALIS202.504606274051469556199.64203.13205.68
CHEHALIS - NEAR CENTRALIA168.502370998701652826710162.84165.97169.40
SKOOKUMCHUCK - NEAR BUCODA211.503730167833086638207.98210.84214.04
SKOOKUMCHUCK - AT CENTRALIA189.007672203637446942182.66185.33188.45
CHEHALIS - NEAR GRAND MOUND141.0019410134442254438650138.78141.96144.00
CHEHALIS - AT PORTER48.002308816166254503929845.8248.4750.19
SATSOP - NEAR SATSOP38.002430411007188823136035.3737.2738.91
WYNOOCHEE - WYNOOCHEE DAM  3424534310102   
CALAWAH - NEAR FORKS  15022211002672313.8416.1918.13
ELWHA - AT MCDONALD BRIDGE NEAR PORT ANGELES20.0018837496685561848413.1815.0919.84
DUNGENESS - NEAR SEQUIM7.0042791070169530304.515.166.22
NF SKOKOMISH - BELOW STAIRCASE RAPIDS NEAR HOODSPORT  35407328130726.388.3110.46
SF SKOKOMISH - NEAR UNION  734012129203664.586.017.94
DESCHUTES - NEAR RAINIER11.0048101153326655646.149.3511.69
NISQUALLY - NEAR NATIONAL9.77800045625928125318.449.0211.11
MINERAL CREEK - NEAR MINERAL  268149971058612.1113.5616.00
PUYALLUP - NEAR ORTING9.881000041574652140398.228.4110.80
CARBON - NEAR FAIRFAX13.50721445594559671412.1212.1213.26
SOUTH PRAIRIE - AT SOUTH PRAIRIE29.64400021112648534828.3629.0131.70
WHITE - AT R STREET115.1275006660839921028114.77115.48116.64
ISSAQUAH CREEK - NEAR MOUTH10.692000566152234716.629.5113.74
SKYKOMISH - NEAR GOLD BAR15.003201334490344905876115.4015.4018.69
MF SNOQUALMIE - NEAR TANNER  11861128223293210.1910.5516.19
NF SNOQUALMIE - NEAR SNOQUALMIE FALLS  41794332106817.577.6710.76
SF SNOQUALMIE - NEAR GARCIA  21402667604013.8214.3417.01
SNOQUALMIE - NEAR SNOQUALMIE13.542000019433227265987413.3714.3219.18
PILCHUCK - NEAR SNOHOMISH18.00678824223310568913.7314.6717.03
NF STILLAGUAMISH - NEAR ARLINGTON13.00226751002714676236677.9510.0013.34
STILLAGUAMISH - NEAR ARLINGTON14.00351001988030848480149.6212.8317.37
SAUK - NEAR SAUK  30611306114939210.3010.3012.56
SKAGIT - NEAR MT VERNON28.0065731661596615910527128.1528.1534.28
SAMISH - NEAR BURLINGTON11.2430001120172650348.549.7313.53
NF NOOKSACK - NEAR GLACIER  2152263040794.565.056.36
MF NOOKSACK - NEAR DEMING  2284292173995.165.557.16
SF NOOKSACK - AT SAXON BRIDGE8.001230149268092110724.706.317.54
NOOKSACK - AT CEDARVILLE146.5033121122301755425730142.54143.83145.38
KOOTENAI - LIBBY DAM INFLOW  470247028375   
FISHER - NEAR LIBBY7.50438949888418044.074.705.71
YAAK - NEAR TROY8.00697626769221243.434.225.70
MOYIE - AT EASTPORT9.00690440671815214.324.775.62
CLARK FORK - AT DEER LODGE6.00 1492213842.833.013.18
CLARK FORK - NR DRUMMOND8.00503651888813142.983.644.25
ROCK CREEK - NEAR CLINTON9.0069462123266415.165.385.85
BLACKFOOT - NEAR BONNER10.0015449508118324961.952.884.09
CLARK FORK - ABOVE MISSOULA7.50120351305236844292.543.224.40
BITTERROOT - NEAR DARBY7.50812224449413551.702.283.51
BITTERROOT - NEAR MISSOULA11.00166391535229042423.974.575.83
CLARK FORK - BELOW MISSOULA11.00486032685409677461.382.063.44
ST. REGIS - NEAR ST. REGIS8.00561837161213362.793.244.26
CLARK FORK - AT ST REGIS19.006062643935922100826.307.048.67
NF FLATHEAD - NEAR COLUMBIA FALLS13.00358641616180045992.782.924.50
MF FLATHEAD - NEAR WEST GLACIER10.00257501303130353972.492.494.33
SF FLATHEAD - HUNGRY HORSE DAM  149033029816   
FLATHEAD - AT COLUMBIA FALLS13.004179538895114125093.914.476.95
STILLWATER - NEAR LAWRENCE PARK7.5025701762845823.113.464.25
WHITEFISH - NEAR KALISPELL5.401502811402681.591.902.41
SWAN - NEAR BIGFORK6.507054745122420042.743.223.83
CLARK FORK - NEAR PLAINS16.00958051510015916220775.665.836.96
THOMPSON - NEAR THOMPSON FALLS7.00372853374517713.533.835.06
PROSPECT CREEK - AT THOMPSON FALLS7.50324229553612762.333.144.65
PEND OREILLE - LAKE PEND OREILLE NR HOPE2063.50    2051.402051.402052.10
PRIEST - NEAR PRIEST RIVER  1276166855302.212.665.85
PEND OREILLE - ALBENI FALLS DAM 95000219222687031158   
KETTLE - NEAR FERRY18.501460522574025959.5910.5912.35
KETTLE - AT LAURIER  700155844143.554.646.56
COLVILLE - AT KETTLE FALLS  39280717816.627.458.37
NF COEUR D ALENE - NEAR PRICHARD  1232240047283.074.145.65
NF COEUR D ALENE - AT ENAVILLE72.0026813393474582048661.8664.3870.30
COEUR D ALENE - AT CATALDO43.00182985334102562501037.1940.5344.59
ST JOE - AT CALDER13.001905538146301136848.309.4211.88
ST MARIES - NEAR SANTA  950206480206.257.5411.30
COEUR D ALENE - COEUR D ALENE LAKE2133.00    2125.802127.102130.00
SPOKANE - AT SPOKANE27.00306709884156282477221.8123.4525.70
HANGMAN CREEK - AT SPOKANE11.0082061835358861585.326.849.12
LITTLE SPOKANE - AT DARTFORD6.50227539291416223.504.845.82
SIMILKAMEEN - NEAR NIGHTHAWK14.00251152619261935635.035.035.74
OKANOGAN - NEAR TONASKET15.00182773307330766247.187.189.39
OKANOGAN - AT MALOTT  3363336466135.165.167.09
METHOW - AT WINTHROP  577995200810.7211.3712.34
METHOW - NEAR PATEROS10.0018282845124824452.523.004.03
STEHEKIN - AT STEHEKIN24.00872519771977369220.6020.6021.51
CHELAN - LAKE CHELAN DAM  391139117422   
ENTIAT - NEAR ARDENVOIR7.5041098698699123.673.673.75
WENATCHEE - AT PESHASTIN13.00241807777777788016.896.897.36
COLUMBIA - BLO PRIEST RAPIDS DAM32.0040400010989612379014047014.4615.6316.98
YAKIMA - NEAR HORLICK36.001350045595208987532.1232.5134.79
NACHES - NEAR NACHES17.808086346842851126815.4015.8619.19
YAKIMA - NEAR PARKER10.0018954878110784266917.027.7211.70
YAKIMA - AT KIONA13.0018099948511738229969.5510.5414.64
SNAKE - AB JACKSON L AT FLAGG R10.00130552152155132.322.323.01
SNAKE - JACKSON LAKE AT DAM  3764021042   
PACIFIC CREEK - AT MORAN8.50414933421264.114.224.86
BUFFALO FK - AB LAVA CR NR MORAN8.5070001671672381.021.021.23
GROS VENTRE - AT ZENITH  647416417.9518.0318.52
GREYS - AB RES NR ALPINE  2222505881.291.361.98
SALT - ABV PALISADES RES NR ETNA5.5034704484849331.962.022.73
SNAKE - NEAR HEISE8.00198823130333436962.502.582.73
FALL RIVER - NEAR CHESTER6.5066794464637722.272.302.73
HENRYS FORK - AT ST. ANTHONY7.0090711482172525163.703.864.30
TETON - AB S. LEIGH CR NR DRIGGS4.2017681952824231.571.762.05
TETON - NEAR ST. ANTHONY6.0047543825327562.032.362.75
HENRYS FORK - AT REXBURG9.5072971770207730334.404.866.21
SNAKE - NEAR SHELLEY12.50290893527409652585.986.236.67
SNAKE - NEAR BLACKFOOT11.00242333107367048503.503.864.55
PORTNEUF - AT TOPAZ4.004981322483362.703.233.53
PORTNEUF - AT POCATELLO8.508122754666825.096.497.80
SALMON FALLS CREEK - NR SAN JACINTO10.0012111083037025.816.808.35
BIG LOST - AT HOWELL RANCH NEAR CHILLY4.00218991912661.001.001.60
BIG LOST - MACKAY RESERVOIR NEAR MACKAY  164164426   
BIG WOOD - AT HAILEY6.0034161491944301.591.752.39
BIG WOOD - MAGIC DAM  1785782012   
BRUNEAU - NEAR HOT SPRINGS9.5032651404769704.935.716.53
OWYHEE - NEAR MTN CITY8.001212661423524.284.775.57
OWYHEE - OWYHEE DAM 30003239639714806   
BOISE - NR TWIN SPRINGS  1578278861057.388.5410.62
SF BOISE - NR FEATHERVILLE7.20793149281216562.352.823.70
SF BOISE - ANDERSON RANCH DAM  59811532534   
MORES CREEK - NR ARROWROCK DAM8.804845562146833453.795.357.49
MALHEUR - NEAR DREWSEY  39897020944.376.088.19
MALHEUR - NEAR VALE19.503892278536341611.9712.9118.79
SF PAYETTE - AT LOWMAN7.50692844268214163.443.774.49
MF PAYETTE - NEAR CROUCH11.803318538115222146.808.1810.29
PAYETTE - NEAR EMMETT10.50159242269444272783.455.076.77
WEISER - NEAR CAMBRIDGE12.0092781521251844645.856.998.74
WEISER - NEAR WEISER9.5086632572561393606.718.319.74
EAGLE CREEK - ABOVE SKULL CK  2104248141.161.602.16
SNAKE - BROWNLEE DAM  184182649143924   
IMNAHA - AT IMNAHA5.50343147691620662.703.394.55
SALMON - AT SALMON7.50116861156127718702.322.432.93
LEMHI - NEAR LEMHI6.5014902002002793.943.944.22
MF SALMON - MIDDLE FORK LODGE  646131235111.672.353.89
LITTLE SALMON - AT RIGGINS10.007853728147030823.844.986.86
SALMON - AT WHITEBIRD32.0097533464574581658612.9214.3617.69
GRANDE RONDE - NEAR PERRY6.605440569176232262.604.015.15
MALHEUR - AGENCY VALLEY DAM  3206261190   
GRANDE RONDE - TROY10.0020128493610020173095.867.689.43
SNAKE - NEAR ANATONE20.001500002904543296634626.448.5411.06
SELWAY - NEAR LOWELL14.004318130126716125304.906.438.02
LOCHSA - NEAR LOWELL  33225654101744.195.327.11
SNAKE - LOWER GRANITE DAM  427176727491970   
SF CLEARWATER - AT STITES8.0098461247253547444.104.956.03
CLEARWATER - AT OROFINO17.0075187887017975284545.968.3810.49
NF CLEARWATER - DWORSHAK DAM  101891451033229   
POTLATCH - BELOW LITTLE POTLATCH CR NR SPALDING  20923926198999.4311.0517.35
CLEARWATER - AT SPALDING18.001075961245223064373586.098.2310.47
PALOUSE - NEAR POTLATCH15.003880590146856908.3110.6217.08
SF PALOUSE - AT PULLMAN7.00248732470712803.174.245.40
PALOUSE - AT HOOPER  31466016115629.3411.6714.07
MILL CREEK - NR WALLA WALLA  4561236277614.8015.9217.32
WALLA WALLA - NEAR TOUCHET13.0076762390431270938.0710.2012.51
UMATILLA - NEAR GIBBON7.002525864125845525.195.718.48
UMATILLA - AT PENDLETON12.3095501927341687717.018.2911.94
JOHN DAY - NEAR JOHN DAY8.0025963064709384.324.675.56
NF JOHN DAY - AT MONUMENT14.001914323345912115365.667.9010.68
JOHN DAY - AT SERVICE CK11.501596126747374139625.288.1610.95
DESCHUTES - AT MOODY NR BIGGS8.003180168509080142313.654.135.11
KLICKITAT - NEAR PITT9.00890030565637105026.087.509.63
HOOD - NEAR TUCKER BRIDGE13.00135042871480497146.718.2211.13
WHITE SALMON - NEAR UNDERWOOD  2137344073715.036.309.19
SANDY - NEAR MARMOT  3866698819561693.57694.74697.76
SANDY - SANDY19.304032311248179343702813.4815.2818.81
MF WILLAMETTE - HILLS CREEK DAM  2602583212584   
FALL CREEK - FALL CREEK RESERVOIR  288143558166   
COAST FORK WILLAMETTE - COTTAGE GROVE DAM  93422666674   
ROW - DORENA DAM  2617658614166   
MCKENZIE - BELOW TRAIL BRIDGE DAM  1190183527506.947.628.34
SF MCKENZIE - COUGAR DAM  181837167290   
BLUE - BLUE RESERVOIR  318055719386   
MOHAWK - NEAR SPRINGFIELD15.0063632094361487037.6810.7617.97
LONG TOM - FERN RIDGE DAM  2089389014561   
MARYS - NEAR PHILOMATH20.00430422063372711815.9418.6821.18
LITTLE N SANTIAM - NEAR MEHAMA  53649850142947.789.8111.27
THOMAS CREEK - NEAR SCIO18.0014297333670121057910.7313.8516.07
LUCKIAMUTE - NEAR SUVER27.006488448882811344622.6328.5030.36
S YAMHILL - NEAR WILLAMINA  40717685126277.0010.0014.00
S YAMHILL - AT MCMINNVILLE50.00176328990143382148635.7544.9855.43
MOLALLA - NEAR CANBY23.0024837590291551670715.8817.5220.70
PUDDING - AT AURORA22.006076477570741391919.7022.9826.29
CLACKAMAS - THREE LYNX  49769578202714.957.4211.44
CLACKAMAS - AT ESTACADA20.00247939061158963272515.6517.8221.63
CLACKAMAS - NEAR OREGON CITY39.004005012412237264328030.3134.4339.79
JOHNSON CREEK - AT SYCAMORE11.001250481121220446.5210.8113.79
COWLITZ - AT PACKWOOD10.50244111047611399236786.236.5410.31
COWLITZ - AT RANDLE18.001756814448165042763015.7417.2322.00
CISPUS - NEAR RANDLE  366647781055816.8917.3118.72
COWLITZ - NEAR KOSMOS  21649266354444876.1977.7982.37
TILTON - NEAR CINEBAR  42118003178106.969.4514.43
TOUTLE - AT TOWER ROAD NEAR SILVER LAKE137.004343282901089223567125.03126.34131.86
NEHALEM - FOSS15.002530711402245263874210.4014.6820.03
WILSON - NEAR TILLAMOOK12.0014054552618533281747.5614.2218.86
TRASK - TILLAMOOK16.5012678435576711758811.4013.6618.85
NESTUCCA - NEAR BEAVER18.002001042366609210168.9010.2718.51
SILETZ - AT SILETZ16.0018873695916710300409.4914.9820.69
ALSEA - NEAR TIDEWATER18.0020106656612596226499.5613.7719.28
SIUSLAW - NEAR MAPLETON18.00221238780185663393410.9716.3322.94
S UMPQUA - AT TILLER18.0029761286510272211295.7110.7615.24
DEER CREEK - NEAR ROSEBURG10.002100486219434875.0010.0012.00
STEAMBOAT CREEK - NEAR GLIDE  32667169163175.478.9413.84
N UMPQUA - AT WINCHESTER26.0082464864820496474006.5310.1517.29
ELK CREEK - NEAR DRAIN16.007253882362067585.6911.4215.45
SF COQUILLE - AT POWERS  387010064179186.8710.7614.16
NF COQUILLE - NEAR MYRTLE POINT35.0020000335063821390420.6727.9532.87
BIG BUTTE CREEK - NEAR MCLEOD  424110724084.185.727.67
ELK CREEK - NEAR TRAIL  650276550926.138.9811.35
BEAR CREEK - AT MEDFORD10.00526522482219993.454.977.26
ILLINOIS - AT KERBY35.00490765376166824309611.5419.8132.68
CHETCO - NEAR BROOKINGS  1188835544608129.3817.2524.09