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 WEDNESDAY: DECEMBER 31 , 2025
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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 7.8 7.4 105 14.4 9.9 145
Blind Bull Sum 8880 14.7 9.5 155 11.2 8.4 133
Cottonwood Creek 7710 9.8 8.5 115 16.0 10.8 148
East Rim Divide 8010 4.3 4.4 98 7.3 5.3 138
Grand Targhee 9260 -M 19.8 * -M 16.0 *
Granite Creek 6770 6.6 6.3 105 13.0 8.9 146
Grassy Lake 7330 8.2 12.2 67 17.0 16.4 104
Gros Ventre Summit 8760 8.3 6.2 134 10.4 6.0 173
Gunsight Pass 9820 8.6 5.9 146 11.0 6.8 162
Lewis Lake Divide 7880 16.4 12.7 129 22.8 15.8 144
Loomis Park 8240 7.2 6.4 112 10.0 7.6 132
Phillips Bench 8170 11.8 10.2 116 16.5 12.4 133
Salt River Summit 7630 5.5 4.8 115 9.9 7.0 141
Snake River Station 6900 5.6 6.8 82 12.8 10.6 121
Somsen Ranch 6830 3.2 4.8 67 10.7 8.1 132
Spring Creek Divide 9020 12.4 10.0 124 15.3 10.4 147
Thumb Divide 7970 9.9 6.4 155 13.4 8.4 160
Togwotee Pass 9590 13.4 10.6 126 17.7 11.2 158
Triple Peak 8520 14.3 8.6 166 17.9 10.8 166
Two Ocean Plateau 9240 19.7 13.2 149 18.0 12.3 146
Willow Creek 8060 11.7 10.8 108 18.7 15.0 125
Younts Peak 8340 9.9 6.6 150 15.0 7.2 208
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Basin Index (%) 121 143
MADISON HEADWATERS IN WYOMING
Black Bear 8160 14.3 16.0 89 19.2 17.8 108
Canyon 7870 6.2 5.6 111 10.1 7.4 136
Madison Plateau 7710 8.4 9.8 86 14.9 11.8 126
West Yellowstone 6680 3.4 4.6 74 9.8 7.3 134
Whiskey Creek 6790 5.2 6.0 87 13.4 9.3 144
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Basin Index (%) 89 126
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 14.2 9.8 145 16.0 9.2 174
Canyon 7870 6.2 5.6 111 10.1 7.4 136
Evening Star 9030 18.6 12.2 152 23.1 14.3 162
Fisher Creek 9110 21.5 15.3 141 23.8 15.4 155
Monument Peak 8740 13.1 9.0 146 16.5 10.7 154
Northeast Entrance 7420 4.6 4.0 115 10.9 6.4 170
Parker Peak 9420 14.6 10.4 140 16.1 9.8 164
Sylvan Lake 8440 9.2 8.6 107 15.7 11.6 135
Thumb Divide 7970 9.9 6.4 155 13.4 8.4 160
Two Ocean Plateau 9240 19.7 13.2 149 18.0 12.3 146
White Mill 8730 16.0 10.2 157 16.8 11.0 153
Wolverine 7660 6.1 5.4 113 11.7 6.1 192
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Basin Index (%) 140 157
WIND RIVER
Burroughs Creek 8760 6.0 -M * 12.2 -M *
Castle Creek 8410 3.0 3.3 91 5.1 4.4 116
Cold Springs 9640 4.6 3.6 128 9.1 4.8 190
Deer Park 9690 8.2 6.2 132 9.8 8.4 117
Hobbs Park 10080 7.6 6.2 123 9.1 6.1 149
Kirwin 9580 8.5 5.6 152 12.6 6.2 203
Little Warm 9370 6.5 4.4 148 10.0 6.0 167
South Pass 9040 6.8 6.0 113 8.4 7.0 120
St. Lawrence Alt 8610 2.0 -M * 5.5 -M *
Togwotee Pass 9590 13.4 10.6 126 17.7 11.2 158
Townsend Creek 8720 2.8 4.0 70 6.3 5.6 112
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Basin Index (%) 123 148
BIGHORN BASIN
Bald Mtn. 9360 9.3 8.7 107 10.8 7.8 138
Bear Trap Meadow 8200 2.6 2.9 90 6.6 4.2 157
Bone Springs Div 9340 7.2 7.4 97 7.7 7.1 108
Grave Springs 8560 1.8 3.2 56 5.6 4.6 122
Kirwin 9580 8.5 5.6 152 12.6 6.2 203
Marquette 8800 1.1 3.5 31 4.4 4.8 92
Middle Powder 7760 2.6 4.3 60 6.8 5.0 136
Owl Creek 8990 .9 2.6 35 3.8 3.2 119
Powder River Pass 9480 7.0 5.0 140 10.7 6.2 173
Shell Creek 9570 7.4 7.2 103 9.6 6.6 145
Timber Creek 7910 .2 2.2 9 3.0 4.0 75
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Basin Index (%) 92 137
SHOSHONE RIVER
Blackwater 9830 14.4 11.0 131 16.3 10.5 155
Evening Star 9030 18.6 12.2 152 23.1 14.3 162
Marquette 8800 1.1 3.5 31 4.4 4.8 92
Sylvan Lake 8440 9.2 8.6 107 15.7 11.6 135
Sylvan Road 7140 4.7 5.7 82 12.5 8.9 140
Younts Peak 8340 9.9 6.6 150 15.0 7.2 208
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Basin Index (%) 122 152
POWDER RIVER
Bear Trap Meadow 8200 2.6 2.9 90 6.6 4.2 157
Cloud Peak Reservoir 9830 6.6 6.4 103 8.3 6.4 130
Grave Springs 8560 1.8 3.2 56 5.6 4.6 122
Hansen Sawmill 8360 2.7 3.0 90 7.6 4.2 181
Middle Powder 7760 2.6 4.3 60 6.8 5.0 136
Powder River Pass 9480 7.0 5.0 140 10.7 6.2 173
Soldier Park 8680 1.1 2.4 46 4.9 4.4 111
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Basin Index (%) 90 144
TONGUE RIVER
Big Goose 8010 1.8 3.5 51 5.8 5.0 116
Bone Springs Div 9340 7.2 7.4 97 7.7 7.1 108
Burgess Junction 7910 3.0 4.5 67 6.3 5.6 112
Dome Lake 8890 3.7 4.8 77 7.9 5.8 136
Little Goose 8560 3.1 4.4 70 7.0 5.6 125
Sucker Creek 8840 3.9 5.2 75 7.7 6.2 124
Tie Creek 7050 .1 2.0 5 5.4 5.0 108
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Basin Index (%) 72 119
BELLE FOURCHE
Blind Park 6900 2.4 3.2 75 7.9 4.8 165
Cole Canyon 5930 1.0 2.4 42 7.4 4.0 185
North Rapid Creek 6150 1.3 3.2 41 5.7 3.8 150
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Basin Index (%) 53 167
CHEYENNE RIVER BASIN
Blind Park 6900 2.4 3.2 75 7.9 4.8 165
North Rapid Creek 6150 1.3 3.2 41 5.7 3.8 150
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Basin Index (%) 58 158
UPPER N. PLATTE
Arapaho Ridge 10960 6.0 9.8 61 7.6 10.2 75
Blackhall Mtn 9830 8.5 12.2 70 11.5 13.6 85
Cinnabar Park 9670 6.7 8.6 78 9.8 10.8 91
Columbine 9170 7.3 8.6 85 9.3 10.4 89
Divide Peak 8700 4.0 7.6 53 7.8 9.9 79
Joe Wright 10140 4.5 8.2 55 9.7 11.3 86
Laprele Creek 8370 1.8 3.6 50 5.8 5.4 107
Med Bow 10500 14.0 -M * 15.5 -M *
Never Summer 10300 5.5 8.4 65 3.9 8.2 48
North French Creek 10150 10.9 11.5 95 12.8 11.9 108
Old Battle 9840 10.4 12.2 85 15.6 14.2 110
Rawah 9100 2.6 4.8 54 5.1 7.6 67
Sage Creek Basin 7830 2.4 5.3 45 5.3 6.3 84
Sand Lake 10080 8.9 11.4 78 11.0 10.6 104
South Brush Creek 8480 3.3 4.6 72 5.6 6.0 93
Tower 10610 12.8 16.6 77 15.1 16.8 90
Webber Springs 9250 7.4 9.0 82 10.8 11.1 97
Whiskey Park 8950 9.3 9.8 95 14.3 12.4 115
Willow Creek Pass 9520 2.4 5.8 41 4.4 6.6 67
Zirkel 9320 10.0 10.6 94 14.2 13.1 108
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Basin Index (%) 74 91
SWEETWATER
Deer Park 9690 8.2 6.2 132 9.8 8.4 117
Larsen Creek 8880 2.6 2.9 90 6.5 5.8 112
South Pass 9040 6.8 6.0 113 8.4 7.0 120
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Basin Index (%) 117 117
LOWER N. PLATTE
Casper Mtn. 7940 .9 5.4 17 4.6 6.6 70
Laprele Creek 8370 1.8 3.6 50 5.8 5.4 107
Reno Hill 8410 1.6 5.8 28 5.3 6.6 80
Windy Peak 7890 .5 3.0 17 4.6 4.7 98
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Basin Index (%) 27 87
LARAMIE RIVER
Brooklyn Lake 10250 7.6 8.4 90 10.4 8.9 117
Cinnabar Park 9670 6.7 8.6 78 9.8 10.8 91
Crow Creek 8320 .2 3.8 5 3.2 5.2 62
Deadman Hill 10240 6.1 7.7 79 6.1 8.0 76
Rawah 9100 2.6 4.8 54 5.1 7.6 67
Roach 9710 4.2 6.6 64 6.8 8.9 76
Windy Peak 7890 .5 3.0 17 4.6 4.7 98
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Basin Index (%) 65 85
S. PLATTE
Crow Creek 8320 .2 3.8 5 3.2 5.2 62
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Basin Index (%) 5 62
LITTLE SNAKE RIVER
Battle Mountain 7460 1.4 4.2 33 7.2 6.6 109
Divide Peak 8700 4.0 7.6 53 7.8 9.9 79
Elk River 8710 5.4 6.5 83 9.4 8.6 109
Elkhead Divide 8780 4.1 -M * 8.7 -M *
Little Snake River 8930 8.5 10.0 85 14.0 15.0 93
Old Battle 9840 10.4 12.2 85 15.6 14.2 110
Sage Creek Basin 7830 2.4 5.3 45 5.3 6.3 84
Sandstone RS 8150 3.6 4.9 73 7.3 7.8 94
Whiskey Park 8950 9.3 9.8 95 14.3 12.4 115
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Basin Index (%) 74 100
UPPER GREEN RIVER
Big Sandy Opening 9100 5.6 5.9 95 6.0 5.9 102
Blind Bull Sum 8880 14.7 9.5 155 11.2 8.4 133
East Rim Divide 8010 4.3 4.4 98 7.3 5.3 138
Elkhart Park G.S. 9410 6.4 5.8 110 7.9 6.3 125
Gros Ventre Summit 8760 8.3 6.2 134 10.4 6.0 173
Gunsight Pass 9820 8.6 5.9 146 11.0 6.8 162
Indian Creek 9400 11.3 9.9 114 12.2 9.2 133
Kendall R.S. 7790 6.8 5.2 131 10.7 6.7 160
Larsen Creek 8880 2.6 2.9 90 6.5 5.8 112
Loomis Park 8240 7.2 6.4 112 10.0 7.6 132
New Fork Lake 8380 5.2 4.6 113 8.3 5.2 160
Pocket Creek 9370 -M -M * -M -M *
Snider Basin 8080 5.0 5.0 100 9.2 6.4 144
Spring Creek Divide 9020 12.4 10.0 124 15.3 10.4 147
Triple Peak 8520 14.3 8.6 166 17.9 10.8 166
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Basin Index (%) 125 143
LOWER GREEN RIVER
Blacks Fork Jct 8880 3.9 3.3 118 6.1 5.8 105
Buck Pasture 9630 6.4 -M * 8.6 -M *
EF Blacks Fork GS 9360 2.4 4.0 60 6.0 5.2 115
Hams Fork 7860 5.1 4.6 111 7.4 5.2 142
Henrys Fork 10180 -M -M * 6.8 -M *
Hewinta 9510 2.5 3.8 66 6.6 6.6 100
Hickerson Park 9120 2.4 3.0 80 5.0 4.9 102
Hole-in-Rock 9170 1.5 2.9 52 5.7 4.9 116
Indian Creek 9400 11.3 9.9 114 12.2 9.2 133
Kelley R.S. 8240 5.9 6.0 98 10.4 7.8 133
Spirit Lk 10240 6.0 5.2 115 9.4 7.8 121
Steel Creek Park 10140 6.1 6.0 102 8.2 7.3 112
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Basin Index (%) 97 119
UPPER BEAR RIVER
Bear River RS 8510 2.1 3.6 58 5.6 5.3 106
Bug Lake 7980 5.6 6.4 88 11.3 8.0 141
Burts Miller Ranch 7900 -M 2.3 * 5.4 3.7 146
Chalk Creek #1 9160 5.2 8.8 59 9.5 10.2 93
Giveout 6940 2.7 3.2 84 8.7 5.8 150
Hayden Fork 9170 4.4 5.6 79 9.5 8.8 108
Kelley R.S. 8240 5.9 6.0 98 10.4 7.8 133
Lily Lake 9130 3.3 4.8 69 6.5 7.2 90
Monte Cristo 8930 6.7 9.8 68 12.7 11.0 115
Salt River Summit 7630 5.5 4.8 115 9.9 7.0 141
Spring Creek Divide 9020 12.4 10.0 124 15.3 10.4 147
Trial Lake 9970 8.1 8.4 96 9.5 9.6 99
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Basin Index (%) 87 121
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.
