United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of THURSDAY: MAY 21 , 2026
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Median Med
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COLORADO
GUNNISON RIVER BASIN
Butte 10190 .0 .2 0* 14.2 17.9 79
Castle Peak 11510 10.4 -M * 26.7 -M *
Cochetopa Pass 10020 .0 .0 * 6.4 9.8 65
Columbine Pass 9160 .0 .0 * 22.9 26.5 86
Idarado 9780 .0 .0 * 17.9 23.0 78
Mc Clure Pass 8760 .0 .0 * 20.3 23.6 86
Mesa Lakes 10160 .1 5.6 2 19.6 25.6 77
Overland Res. 9890 .0 .0 * 16.2 19.3 84
Park Cone 9600 .1 .0 * 12.3 13.6 90
Park Reservoir 9990 6.0 18.2 33 27.1 30.4 89
Porphyry Creek 10790 .0 3.8 0 16.2 19.4 84
Rat Creek 11680 .6 -M * 14.1 -M *
Red Mountain Pass 11060 .0 15.0 0 24.0 30.4 79
Sargents Mesa 11490 .0 4.8 0 11.4 15.4 74
Schofield Pass 10640 .2 22.6 1 29.4 36.4 81
Slumgullion 11560 .1 2.8 4 13.5 16.8 80
Upper Taylor 10710 .0 1.2 0* 16.0 21.1 76
Wager Gulch 11110 .0 -M * 13.9 -M *
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Basin Index (%) 9* 81
UPPER COLORADO RIVER BASIN
Arapaho Ridge 10960 3.3 19.1 17 22.4 28.4 79
Bear River 9100 .0 3.6 0 11.2 17.2 65
Beaver Ck Village 8530 .0 .0 * 13.2 18.1 73
Berthoud Summit 11300 1.2 16.0 8 22.3 30.6 73
Bison Lake 10950 5.8 24.4 24 24.5 31.8 77
Buffalo Park 9240 .0 5.2 0 13.3 20.6 65
Castle Peak 11510 10.4 -M * 26.7 -M *
Chapman Tunnel 10090 .2 5.7 4 14.1 21.8 65
Columbine 9170 .0 .4 0* 25.2 31.2 81
Copper Mountain 10500 .0 7.8 0 13.5 21.5 63
Elliot Ridge 10550 .0 14.0 0 16.9 -M *
Fool Creek 11130 4.6 -M * 18.3 -M *
Fremont Pass 11310 7.1 17.8 40 12.2 20.8 59
Grizzly Peak 11110 1.0 8.9 11 15.5 23.2 67
High Lonesome 10630 -M -M * 17.1 -M *
Hoosier Pass 11600 .1 10.4 1 12.2 20.6 59
Independence Pass 10570 .1 5.2 2 13.2 22.0 60
Ivanhoe 10540 .1 7.8 1 14.4 26.9 54
Jones Pass 10430 .0 10.9 0 18.6 25.2 74
Kiln 9610 .0 .0 * 10.4 17.9 58
Lake Irene 10680 1.7 16.4 10 22.1 26.8 82
Lynx Pass 8910 .0 .0 * 10.7 16.6 64
Mc Clure Pass 8760 .0 .0 * 20.3 23.6 86
Mccoy Park 9500 .0 .0 * 17.5 21.2 83
Mesa Lakes 10160 .1 5.6 2 19.6 25.6 77
Middle Fork Camp 8960 .0 .0 * 11.4 19.4 59
Nast Lake 8710 .0 .0 * 9.3 15.0 62
North Lost Trail 9190 .0 .0 * 20.6 26.1 79
Overland Res. 9890 .0 .0 * 16.2 19.3 84
Park Reservoir 9990 6.0 18.2 33 27.1 30.4 89
Phantom Valley 9030 .1 .0 * 14.2 17.4 82
Schofield Pass 10640 .2 22.6 1 29.4 36.4 81
Stillwater Creek 8760 .0 -M * 9.3 13.4 69
Summit Ranch 9350 .0 .0 * 12.6 17.3 73
Vail Mountain 10290 .0 11.3 0 16.7 25.4 66
Willow Creek Pass 9520 1.6 10.6 15 15.0 17.8 84
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Basin Index (%) 12 72
SOUTH PLATTE RIVER BASIN
Bear Lake 9490 1.1 12.4 9 19.1 24.6 78
Berthoud Summit 11300 1.2 16.0 8 22.3 30.6 73
Black Mountain 8940 .8 .8 100* 12.7 18.6 68
Buckskin Joe 11160 .0 8.2 0 10.0 17.2 58
Copeland Lake 8570 1.2 .0 * 15.1 18.7 81
Deadman Hill 10240 1.4 15.8 9 17.0 24.0 71
Echo Lake 10660 1.3 6.5 20 11.9 15.9 75
Hoosier Pass 11600 .1 10.4 1 12.2 20.6 59
Hourglass Lake 9380 .8 3.0 27 14.6 17.8 82
Jackwhacker Gulch 11030 1.3 7.5 17 18.1 21.6 84
Joe Wright 10140 1.7 18.8 9 26.7 33.9 79
Lake Eldora 9700 .8 .0 * 16.7 22.8 73
Lake Irene 10680 1.7 16.4 10 22.1 26.8 82
Long Draw Resv 9980 .7 12.1 6 18.5 23.2 80
Loveland Basin 11410 9.3 19.1 49 15.4 24.0 64
Michigan Creek 10700 .1 6.2 2 13.2 19.7 67
Niwot 9940 2.2 6.6 33 18.9 22.2 85
Rough And Tumble 10420 .4 .6 67* 7.9 11.7 68
Sawtooth 9640 5.2 -M * 27.1 -M *
University Camp 10330 8.4 16.1 52 22.4 27.2 82
Wild Basin 9410 1.2 8.9 13 18.4 20.7 89
Willow Park 10710 1.7 12.2 14 25.0 28.8 87
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Basin Index (%) 19 76
LARAMIE AND NORTH PLATTE RIVER BASINS
Arapaho Ridge 10960 3.3 19.1 17 22.4 28.4 79
Blackhall Mtn 9830 1.5 28.8 5 28.5 39.5 72
Columbine 9170 .0 .4 0* 25.2 31.2 81
Deadman Hill 10240 1.4 15.8 9 17.0 24.0 71
Joe Wright 10140 1.7 18.8 9 26.7 33.9 79
Never Summer 10300 10.4 19.9 52 16.3 22.4 73
Rawah 9100 .0 .4 0* 16.0 20.4 78
Roach 9710 1.2 9.4 13 18.8 24.2 78
Tower 10610 22.8 42.2 54 40.6 49.4 82
Whiskey Park 8950 .5 21.4 2 31.0 36.0 86
Willow Creek Pass 9520 1.6 10.6 15 15.0 17.8 84
Zirkel 9320 .8 9.0 9 31.4 35.9 87
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Basin Index (%) 23 80
YAMPA AND WHITE RIVER BASINS
Battle Mountain 7460 .0 .0 * 17.5 19.2 91
Bear River 9100 .0 3.6 0 11.2 17.2 65
Bison Lake 10950 5.8 24.4 24 24.5 31.8 77
Buffalo Park 9240 .0 5.2 0 13.3 20.6 65
Burro Mountain 9290 .2 .8 25* 18.6 24.7 75
Columbine 9170 .0 .4 0* 25.2 31.2 81
Crosho 8960 .1 .0 * 14.4 20.4 71
Divide Peak 8700 .4 4.5 9 20.9 25.9 81
Dry Lake 8240 .0 .5 0* 23.7 30.2 78
Elk River 8710 .2 .0 * 23.2 23.7 98
Elkhead Divide 8780 .7 -M * -M -M *
Little Snake River 8930 .0 12.0 0 32.7 39.6 83
Lost Dog 9350 -M 8.5 * -M 30.2 *
Lynx Pass 8910 .0 .0 * 10.7 16.6 64
Old Battle 9840 19.6 32.6 60 34.6 42.0 82
Rabbit Ears 9390 .1 14.2 1 28.1 36.5 77
Ripple Creek 10340 4.0 20.1 20 22.2 31.9 70
Sage Creek Basin 7830 .3 .0 * 14.0 16.7 84
Sandstone RS 8150 .0 .0 * 17.8 21.7 82
Tower 10610 22.8 42.2 54 40.6 49.4 82
Trapper Lake 9750 .0 -M * 15.9 23.5 68
Whiskey Park 8950 .5 21.4 2 31.0 36.0 86
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Basin Index (%) 30 79
ARKANSAS RIVER BASIN
Apishapa 10000 .0 .0 * 7.8 17.4 45
Brumley 10570 .8 .6 133* 11.0 16.6 66
Fremont Pass 11310 7.1 17.8 40 12.2 20.8 59
Glen Cove 11410 .4 .6 67 12.2 15.8 77
Hayden Pass 10700 .5 7.5 7 14.4 16.6 87
Medano Pass 9650 .0 .0 * 12.8 16.2 79
Porphyry Creek 10790 .0 3.8 0 16.2 19.4 84
Saint Elmo 10420 .3 .0 * 11.9 16.4 73
South Colony 10790 .8 10.9 7 21.3 27.4 78
Ute Creek 10720 .1 .0 * 11.9 20.8 57
Whiskey Ck 10260 .1 .0 * 8.2 20.0 41
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Basin Index (%) 25* 67
UPPER RIO GRANDE BASIN
Beartown 11580 .2 4.0 5 28.2 27.8 101
Cochetopa Pass 10020 .0 .0 * 6.4 9.8 65
Culebra #2 10560 .0 .0 * 8.4 18.1 46
Cumbres Trestle 10030 .1 3.9 3 22.5 28.8 78
Elwood Pass 11680 .1 -M * 27.0 -M *
Grayback 11620 .1 -M * 15.8 20.8 76
Hayden Pass 10700 .5 7.5 7 14.4 16.6 87
Lily Pond 11070 .0 .0 * 17.0 23.2 73
Medano Pass 9650 .0 .0 * 12.8 16.2 79
Middle Creek 11260 .0 8.4 0 24.7 26.2 94
Moon Pass 11110 .0 .0 * 8.0 11.0 73
North Costilla 10570 .0 .0 * 7.9 17.2 46
Rat Creek 11680 .6 -M * 14.1 -M *
San Antonio Sink 9120 .2 -M * 8.4 -M *
Sargents Mesa 11490 .0 4.8 0 11.4 15.4 74
Shuree 10070 .1 .0 * 5.4 11.4 47
Slumgullion 11560 .1 2.8 4 13.5 16.8 80
Trinchera 10860 .1 .0 * 8.1 15.5 52
Upper Rio Grande 9370 .0 .0 * 14.2 12.0 118
Ute Creek 10720 .1 .0 * 11.9 20.8 57
Wager Gulch 11110 .0 -M * 13.9 -M *
Wolf Creek Summit 10930 .3 27.4 1 32.7 37.6 87
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Basin Index (%) 3* 76
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
Beartown 11580 .2 4.0 5 28.2 27.8 101
Black Mesa 11580 11.7 -M * 24.0 -M *
Cascade 8900 -M .0 * -M 22.8 *
Cascade #2 8990 .0 .0 * 19.8 21.8 91
Columbine Pass 9160 .0 .0 * 22.9 26.5 86
Columbus Basin 10780 .0 14.1 0 25.9 31.2 83
El Diente Peak 10210 .0 .0 * 20.6 23.2 89
Elwood Pass 11680 .1 -M * 27.0 -M *
Lizard Head Pass 10190 .0 .0 * 16.2 18.9 86
Lone Cone 9730 .0 .0 * 19.8 22.8 87
Mancos 10020 .0 .0 * 15.0 20.8 72
Mineral Creek 10030 .0 .0 * 17.9 20.6 87
Molas Lake 10610 .0 1.6 0* 20.4 24.3 84
Red Mountain Pass 11060 .0 15.0 0 24.0 30.4 79
Scotch Creek 9160 .0 .0 * 14.9 20.0 74
Sharkstooth 10730 .0 5.8 0 21.5 24.6 87
Spud Mountain 10660 .0 4.2 0 30.2 34.6 87
Stump Lakes 11230 .0 11.2 0 22.7 23.0 99
Upper San Juan 10140 .0 11.0 0 34.8 38.6 90
Vallecito 10740 .0 .0 * 21.6 21.3 101
Weminuche Creek 10730 .0 .2 0* 25.8 24.8 104
Wolf Creek Summit 10930 .3 27.4 1 32.7 37.6 87
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Basin Index (%) 1* 88
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