Wyoming Snow Precipitation Update
United States Natural Resources Water and Climate Center
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 SUNDAY: JANUARY 18 , 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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WYOMING
SNAKE RIVER
Base Camp 7040 10.7 9.8 109 17.3 12.4 140
Blind Bull Sum 8880 16.7 12.6 133 12.9 10.7 121
Cottonwood Creek 7710 12.2 11.0 111 18.9 13.2 143
East Rim Divide 8010 5.5 5.8 95 8.4 6.6 127
Grand Targhee 9260 -M 23.0 * -M 18.1 *
Granite Creek 6770 8.9 8.8 101 15.3 11.2 137
Grassy Lake 7330 11.9 16.4 73 21.1 19.5 108
Gros Ventre Summit 8760 9.4 7.2 131 11.5 7.0 164
Gunsight Pass 9820 10.1 7.2 140 12.2 7.9 154
Lewis Lake Divide 7880 20.7 16.0 129 27.3 19.4 141
Loomis Park 8240 9.1 8.2 111 11.7 9.4 124
Phillips Bench 8170 14.8 13.3 111 19.6 15.1 130
Salt River Summit 7630 7.0 6.4 109 11.5 8.5 135
Snake River Station 6900 7.7 9.0 86 15.2 13.5 113
Somsen Ranch 6830 5.1 6.8 75 12.6 9.4 134
Spring Creek Divide 9020 14.8 13.0 114 17.7 12.6 140
Thumb Divide 7970 12.2 8.0 152 15.5 9.5 163
Togwotee Pass 9590 15.2 12.9 118 19.8 13.6 146
Triple Peak 8520 16.5 11.6 142 20.1 13.6 148
Two Ocean Plateau 9240 23.8 16.8 142 -M 15.4 *
Willow Creek 8060 15.2 14.6 104 22.2 18.0 123
Younts Peak 8340 11.2 8.2 137 15.9 8.2 194
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Basin Index (%) 116 137
MADISON HEADWATERS IN WYOMING
Black Bear 8160 19.7 21.0 94 24.9 21.0 119
Canyon 7870 7.8 7.5 104 11.7 8.8 133
Madison Plateau 7710 13.4 12.1 111 20.0 14.0 143
West Yellowstone 6680 5.6 6.1 92 12.0 8.2 146
Whiskey Creek 6790 8.5 7.9 108 17.0 11.3 150
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Basin Index (%) 101 135
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 15.4 12.8 120 17.4 11.8 147
Canyon 7870 7.8 7.5 104 11.7 8.8 133
Evening Star 9030 20.7 15.2 136 25.3 16.6 152
Fisher Creek 9110 25.3 18.8 135 27.4 18.4 149
Monument Peak 8740 15.2 12.1 126 18.7 13.2 142
Northeast Entrance 7420 5.5 5.4 102 11.9 7.6 157
Parker Peak 9420 16.9 12.0 141 18.6 12.0 155
Sylvan Lake 8440 11.5 10.9 106 18.4 13.5 136
Thumb Divide 7970 12.2 8.0 152 15.5 9.5 163
Two Ocean Plateau 9240 23.8 16.8 142 -M 15.4 *
White Mill 8730 18.5 14.2 130 18.9 13.6 139
Wolverine 7660 6.4 6.7 96 12.5 7.5 167
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Basin Index (%) 128 148
WIND RIVER
Burroughs Creek 8760 6.1 -M * 12.7 -M *
Castle Creek 8410 3.2 3.9 82 5.4 5.2 104
Cold Springs 9640 5.0 4.2 119 9.6 5.6 171
Deer Park 9690 9.8 7.2 136 11.7 9.0 130
Hobbs Park 10080 8.7 7.1 123 10.2 6.7 152
Kirwin 9580 9.0 6.3 143 13.5 7.1 190
Little Warm 9370 7.4 5.6 132 10.9 7.4 147
South Pass 9040 8.4 7.0 120 9.9 8.2 121
St. Lawrence Alt 8610 2.3 -M * 5.8 -M *
Togwotee Pass 9590 15.2 12.9 118 19.8 13.6 146
Townsend Creek 8720 3.6 4.5 80 7.2 6.2 116
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Basin Index (%) 120 142
BIGHORN BASIN
Bald Mtn. 9360 10.8 10.2 106 11.5 9.0 128
Bear Trap Meadow 8200 2.9 3.4 85 6.7 4.8 140
Bone Springs Div 9340 8.1 9.0 90 8.3 8.6 97
Grave Springs 8560 2.2 4.1 54 6.0 5.1 118
Kirwin 9580 9.0 6.3 143 13.5 7.1 190
Marquette 8800 1.7 3.8 45 4.7 5.4 87
Middle Powder 7760 3.0 5.2 58 7.0 5.6 125
Owl Creek 8990 1.1 3.0 37 3.9 3.6 108
Powder River Pass 9480 7.4 6.2 119 11.2 7.4 151
Shell Creek 9570 8.7 8.5 102 10.3 7.9 130
Timber Creek 7910 .0 2.5 0 2.6 4.4 59
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Basin Index (%) 88 124
SHOSHONE RIVER
Blackwater 9830 15.9 13.4 119 18.4 12.6 146
Evening Star 9030 20.7 15.2 136 25.3 16.6 152
Marquette 8800 1.7 3.8 45 4.7 5.4 87
Sylvan Lake 8440 11.5 10.9 106 18.4 13.5 136
Sylvan Road 7140 6.6 7.0 94 14.2 10.6 134
Younts Peak 8340 11.2 8.2 137 15.9 8.2 194
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Basin Index (%) 116 145
POWDER RIVER
Bear Trap Meadow 8200 2.9 3.4 85 6.7 4.8 140
Cloud Peak Reservoir 9830 7.7 7.6 101 9.2 7.5 123
Grave Springs 8560 2.2 4.1 54 6.0 5.1 118
Hansen Sawmill 8360 2.9 3.8 76 7.8 4.8 162
Middle Powder 7760 3.0 5.2 58 7.0 5.6 125
Powder River Pass 9480 7.4 6.2 119 11.2 7.4 151
Soldier Park 8680 1.5 3.2 47 5.4 5.0 108
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Basin Index (%) 82 133
TONGUE RIVER
Big Goose 8010 1.8 4.0 45 6.4 5.6 114
Bone Springs Div 9340 8.1 9.0 90 8.3 8.6 97
Burgess Junction 7910 3.6 5.6 64 7.0 6.8 103
Dome Lake 8890 4.2 6.0 70 8.5 7.0 121
Little Goose 8560 3.6 4.8 75 7.6 6.4 119
Sucker Creek 8840 4.8 6.5 74 8.7 7.4 118
Tie Creek 7050 .2 3.0 7 5.9 5.9 100
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Basin Index (%) 68 110
BELLE FOURCHE
Blind Park 6900 2.9 3.9 74 8.8 5.6 157
Cole Canyon 5930 .8 2.8 29 7.6 5.0 152
North Rapid Creek 6150 2.3 3.8 61 6.4 4.6 139
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Basin Index (%) 57 150
CHEYENNE RIVER BASIN
Blind Park 6900 2.9 3.9 74 8.8 5.6 157
North Rapid Creek 6150 2.3 3.8 61 6.4 4.6 139
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Basin Index (%) 68 149
UPPER N. PLATTE
Arapaho Ridge 10960 8.1 12.0 68 9.7 12.4 78
Blackhall Mtn 9830 10.6 14.7 72 13.8 16.0 86
Cinnabar Park 9670 7.8 11.6 67 11.0 13.3 83
Columbine 9170 10.3 12.4 83 12.0 13.0 92
Divide Peak 8700 6.2 10.0 62 10.0 12.2 82
Joe Wright 10140 5.8 10.1 57 11.5 14.0 82
Laprele Creek 8370 2.8 4.6 61 6.8 6.2 110
Med Bow 10500 17.5 -M * 18.1 -M *
Never Summer 10300 7.0 10.4 67 4.9 9.6 51
North French Creek 10150 13.6 14.8 92 15.1 15.0 101
Old Battle 9840 14.0 15.8 89 18.7 18.8 99
Rawah 9100 3.3 6.2 53 6.0 9.2 65
Sage Creek Basin 7830 3.7 7.0 53 6.7 7.7 87
Sand Lake 10080 10.9 14.1 77 12.7 12.8 99
South Brush Creek 8480 3.8 6.2 61 6.0 7.8 77
Tower 10610 17.8 21.4 83 19.6 22.0 89
Webber Springs 9250 9.3 11.7 79 12.9 14.6 88
Whiskey Park 8950 12.5 14.2 88 17.1 16.5 104
Willow Creek Pass 9520 3.3 6.8 49 5.3 7.2 74
Zirkel 9320 12.9 15.0 86 17.7 17.0 104
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Basin Index (%) 75 89
SWEETWATER
Deer Park 9690 9.8 7.2 136 11.7 9.0 130
Larsen Creek 8880 4.1 4.6 89 7.8 6.8 115
South Pass 9040 8.4 7.0 120 9.9 8.2 121
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Basin Index (%) 119 122
LOWER N. PLATTE
Casper Mtn. 7940 2.4 6.3 38 6.0 7.5 80
Laprele Creek 8370 2.8 4.6 61 6.8 6.2 110
Reno Hill 8410 3.1 6.8 46 7.0 7.9 89
Windy Peak 7890 1.0 3.8 26 5.0 5.6 89
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Basin Index (%) 43 91
LARAMIE RIVER
Brooklyn Lake 10250 9.5 11.1 86 12.3 11.6 106
Cinnabar Park 9670 7.8 11.6 67 11.0 13.3 83
Crow Creek 8320 .2 4.4 5 3.7 6.0 62
Deadman Hill 10240 6.5 9.4 69 6.8 9.4 72
Rawah 9100 3.3 6.2 53 6.0 9.2 65
Roach 9710 5.0 8.8 57 7.7 10.5 73
Windy Peak 7890 1.0 3.8 26 5.0 5.6 89
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Basin Index (%) 60 80
S. PLATTE
Crow Creek 8320 .2 4.4 5 3.7 6.0 62
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Basin Index (%) 5 62
LITTLE SNAKE RIVER
Battle Mountain 7460 2.5 6.2 40 8.9 8.6 103
Divide Peak 8700 6.2 10.0 62 10.0 12.2 82
Elk River 8710 6.5 9.3 70 10.7 10.6 101
Elkhead Divide 8780 5.8 -M * 10.4 -M *
Little Snake River 8930 11.9 13.8 86 17.5 19.0 92
Old Battle 9840 14.0 15.8 89 18.7 18.8 99
Sage Creek Basin 7830 3.7 7.0 53 6.7 7.7 87
Sandstone RS 8150 5.3 7.0 76 9.1 10.2 89
Whiskey Park 8950 12.5 14.2 88 17.1 16.5 104
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Basin Index (%) 75 95
UPPER GREEN RIVER
Big Sandy Opening 9100 7.1 7.0 101 7.4 7.2 103
Blind Bull Sum 8880 16.7 12.6 133 12.9 10.7 121
East Rim Divide 8010 5.5 5.8 95 8.4 6.6 127
Elkhart Park G.S. 9410 8.2 6.8 121 8.9 7.2 124
Gros Ventre Summit 8760 9.4 7.2 131 11.5 7.0 164
Gunsight Pass 9820 10.1 7.2 140 12.2 7.9 154
Indian Creek 9400 14.2 12.0 118 14.9 10.8 138
Kendall R.S. 7790 9.1 6.6 138 12.8 7.8 164
Larsen Creek 8880 4.1 4.6 89 7.8 6.8 115
Loomis Park 8240 9.1 8.2 111 11.7 9.4 124
New Fork Lake 8380 6.2 6.0 103 9.4 6.3 149
Pocket Creek 9370 -M -M * -M -M *
Snider Basin 8080 5.7 6.9 83 10.3 7.8 132
Spring Creek Divide 9020 14.8 13.0 114 17.7 12.6 140
Triple Peak 8520 16.5 11.6 142 20.1 13.6 148
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Basin Index (%) 118 136
LOWER GREEN RIVER
Blacks Fork Jct 8880 4.4 4.2 105 6.7 6.6 102
Buck Pasture 9630 7.0 -M * 9.5 -M *
EF Blacks Fork GS 9360 2.6 5.0 52 6.4 5.9 108
Hams Fork 7860 6.7 5.6 120 9.1 6.2 147
Henrys Fork 10180 -M -M * 7.2 -M *
Hewinta 9510 2.9 5.0 58 7.1 7.7 92
Hickerson Park 9120 3.1 3.4 91 5.2 5.6 93
Hole-in-Rock 9170 1.6 3.6 44 5.9 5.8 102
Indian Creek 9400 14.2 12.0 118 14.9 10.8 138
Kelley R.S. 8240 8.0 7.2 111 12.7 9.4 135
Spirit Lk 10240 6.4 6.0 107 10.0 8.7 115
Steel Creek Park 10140 6.9 7.2 96 9.0 8.7 103
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Basin Index (%) 96 115
UPPER BEAR RIVER
Bear River RS 8510 2.8 4.7 60 6.4 6.6 97
Bug Lake 7980 9.1 8.1 112 13.7 9.5 144
Burts Miller Ranch 7900 -M 3.2 * 6.4 4.8 133
Chalk Creek #1 9160 7.8 10.9 72 12.3 12.4 99
Giveout 6940 3.8 4.6 83 10.1 6.6 153
Hayden Fork 9170 5.8 6.9 84 11.2 10.5 107
Kelley R.S. 8240 8.0 7.2 111 12.7 9.4 135
Lily Lake 9130 4.1 6.4 64 7.4 8.6 86
Monte Cristo 8930 10.0 12.6 79 16.1 13.5 119
Salt River Summit 7630 7.0 6.4 109 11.5 8.5 135
Spring Creek Divide 9020 14.8 13.0 114 17.7 12.6 140
Trial Lake 9970 10.9 10.2 107 12.4 11.9 104
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Basin Index (%) 92 120
If the Basin Index (%) value is flagged as potentially
invalid, care should be taken to evaluate if the value is representative
of conditions in the basin.
The SNOW WATER EQUIVALENT Percent of Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median value for those sites on this day.
The TOTAL PRECIPITATION Percent of Average represents the total precipitation
(beginning October 1st) found at selected SNOTEL sites in or near the basin
compared to the Average value for those sites on this day.
Contact your state water supply staff for assistance.
Medians and averages are calculated for the period 1981-2010.
Provisional data, subject to revision.
* Site -- Either: (a) the current value is missing; (b) the median or
average for the day is not available or is zero; or (c) for snow water
equivalent, the median for the day is less than 10% of the maximum
median value for the year.
* Basin - More than half of the sites within the basin are flagged with *,
preventing the calculation of a meaningful basin index.
The basin index is calculated as the sum of the valid current values
divided by the sum of the corresponding medians (for snow water equivalent)
or averages (for precipitation) and the resulting fraction multiplied by 100.