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 FRIDAY: MARCH 27 , 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 12.6 16.2 78 22.3 19.3 116
Blind Bull Sum 8880 22.5 23.3 97 15.7 17.4 90
Cottonwood Creek 7710 14.0 20.8 67 23.9 24.0 100
East Rim Divide 8010 3.6 10.5 34 10.8 10.6 102
Grand Targhee 9260 -M 39.2 * -M 28.8 *
Granite Creek 6770 9.4 15.4 61 19.9 17.2 116
Grassy Lake 7330 13.8 31.1 44 28.5 32.8 87
Gros Ventre Summit 8760 9.7 12.0 81 14.3 11.6 123
Gunsight Pass 9820 10.5 12.4 85 14.9 13.1 114
Lewis Lake Divide 7880 26.3 29.4 89 35.9 31.2 115
Loomis Park 8240 8.4 15.0 56 15.4 16.2 95
Phillips Bench 8170 17.8 25.2 71 25.8 25.8 100
Salt River Summit 7630 4.2 12.9 33 14.8 14.8 100
Snake River Station 6900 6.6 16.6 40 19.7 20.8 95
Somsen Ranch 6830 .0 11.9 0 15.8 15.2 104
Spring Creek Divide 9020 20.7 23.7 87 23.2 22.6 103
Thumb Divide 7970 12.7 15.4 82 19.4 16.6 117
Togwotee Pass 9590 19.9 22.7 88 26.8 23.4 115
Triple Peak 8520 18.7 22.2 84 25.5 24.4 105
Two Ocean Plateau 9240 31.1 27.4 114 30.3 24.8 122
Willow Creek 8060 18.2 28.4 64 29.2 30.8 95
Younts Peak 8340 11.0 13.8 80 20.8 13.8 151
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Basin Index (%) 72 106
MADISON HEADWATERS IN WYOMING
Black Bear 8160 24.7 35.9 69 31.8 34.3 93
Canyon 7870 9.3 13.0 72 14.8 14.3 103
Madison Plateau 7710 15.7 21.2 74 24.3 22.6 108
West Yellowstone 6680 4.8 10.2 47 14.1 13.2 107
Whiskey Creek 6790 9.5 14.4 66 20.3 18.3 111
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Basin Index (%) 68 103
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake 9360 23.8 20.8 114 25.2 19.0 133
Canyon 7870 9.3 13.0 72 14.8 14.3 103
Evening Star 9030 26.0 24.1 108 33.3 26.6 125
Fisher Creek 9110 33.9 30.8 110 35.5 30.8 115
Monument Peak 8740 19.4 19.3 101 25.0 19.9 126
Northeast Entrance 7420 3.6 9.5 38 15.7 12.4 127
Parker Peak 9420 23.7 19.9 119 25.1 19.1 131
Sylvan Lake 8440 14.1 18.6 76 23.7 21.2 112
Thumb Divide 7970 12.7 15.4 82 19.4 16.6 117
Two Ocean Plateau 9240 31.1 27.4 114 30.3 24.8 122
White Mill 8730 24.8 22.8 109 25.8 21.8 118
Wolverine 7660 2.1 11.0 19 15.6 11.7 133
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Basin Index (%) 97 121
WIND RIVER
Burroughs Creek 8760 4.9 -M * 17.6 -M *
Castle Creek 8410 -M 6.8 * 7.5 8.0 94
Cold Springs 9640 2.6 6.9 38 12.0 8.2 146
Deer Park 9690 11.2 13.7 82 16.3 16.4 99
Hobbs Park 10080 10.1 13.0 78 14.0 11.4 123
Kirwin 9580 11.9 10.0 119 18.2 10.7 170
Little Warm 9370 8.6 9.9 87 13.7 11.3 121
South Pass 9040 9.7 13.8 70 13.8 14.2 97
St. Lawrence Alt 8610 -M -M * -M -M *
Togwotee Pass 9590 19.9 22.7 88 26.8 23.4 115
Townsend Creek 8720 3.3 8.2 40 10.0 9.7 103
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Basin Index (%) 79 117
BIGHORN BASIN
Bald Mtn. 9360 15.0 17.0 88 14.8 15.0 99
Bear Trap Meadow 8200 -M 6.0 * 8.9 7.4 120
Bone Springs Div 9340 10.5 15.2 69 10.4 14.1 74
Grave Springs 8560 -M 7.8 * 7.8 8.7 90
Kirwin 9580 11.9 10.0 119 18.2 10.7 170
Marquette 8800 .2 6.6 3 6.8 8.1 84
Middle Powder 7760 3.8 9.8 39 9.6 9.1 105
Owl Creek 8990 -M 5.1 * 5.5 5.4 102
Powder River Pass 9480 7.9 10.4 76 14.0 11.6 121
Shell Creek 9570 11.9 14.2 84 13.2 12.9 102
Timber Creek 7910 .0 4.1 0 3.1 6.9 45
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Basin Index (%) 70 102
SHOSHONE RIVER
Blackwater 9830 21.1 21.0 100 25.5 20.6 124
Evening Star 9030 26.0 24.1 108 33.3 26.6 125
Marquette 8800 .2 6.6 3 6.8 8.1 84
Sylvan Lake 8440 14.1 18.6 76 23.7 21.2 112
Sylvan Road 7140 .0 11.2 0 17.8 15.2 117
Younts Peak 8340 11.0 13.8 80 20.8 13.8 151
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Basin Index (%) 76 121
POWDER RIVER
Bear Trap Meadow 8200 -M 6.0 * 8.9 7.4 120
Cloud Peak Reservoir 9830 8.9 13.6 65 12.5 12.0 104
Grave Springs 8560 -M 7.8 * 7.8 8.7 90
Hansen Sawmill 8360 -M 6.0 * 9.6 7.8 123
Middle Powder 7760 3.8 9.8 39 9.6 9.1 105
Powder River Pass 9480 7.9 10.4 76 14.0 11.6 121
Soldier Park 8680 -M 6.4 * 7.0 8.2 85
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Basin Index (%) 61* 107
TONGUE RIVER
Big Goose 8010 -M 7.4 * 8.3 9.0 92
Bone Springs Div 9340 10.5 15.2 69 10.4 14.1 74
Burgess Junction 7910 5.4 9.8 55 9.7 10.6 92
Dome Lake 8890 6.6 10.6 62 11.0 11.4 96
Little Goose 8560 -M 8.8 * 10.4 10.8 96
Sucker Creek 8840 5.6 11.1 50 11.6 12.4 94
Tie Creek 7050 .1 4.6 2 8.4 9.5 88
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Basin Index (%) 55 90
BELLE FOURCHE
Blind Park 6900 .0 6.8 0 11.1 10.0 111
Cole Canyon 5930 .0 5.3 0 9.7 8.0 121
North Rapid Creek 6150 .0 6.6 0 8.6 8.3 104
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Basin Index (%) 0 112
CHEYENNE RIVER BASIN
Blind Park 6900 .0 6.8 0 11.1 10.0 111
North Rapid Creek 6150 .0 6.6 0 8.6 8.3 104
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Basin Index (%) 0 108
UPPER N. PLATTE
Arapaho Ridge 10960 11.2 20.3 55 15.0 20.4 74
Blackhall Mtn 9830 14.6 28.6 51 20.2 27.6 73
Cinnabar Park 9670 9.4 19.4 48 16.5 22.0 75
Columbine 9170 7.7 21.5 36 18.8 22.4 84
Divide Peak 8700 4.2 18.0 23 13.9 20.4 68
Joe Wright 10140 7.2 19.2 38 17.9 24.2 74
Laprele Creek 8370 1.2 9.1 13 9.3 10.8 86
Med Bow 10500 24.9 -M * 25.1 -M *
Never Summer 10300 12.2 18.9 65 9.8 16.0 61
North French Creek 10150 16.6 26.2 63 21.8 24.3 90
Old Battle 9840 19.2 28.2 68 25.9 31.1 83
Rawah 9100 1.6 10.2 16 9.3 14.2 65
Sage Creek Basin 7830 .0 12.3 0 9.2 12.0 77
Sand Lake 10080 17.4 24.8 70 18.8 22.8 82
South Brush Creek 8480 .2 11.4 2 8.3 12.6 66
Tower 10610 24.1 40.2 60 29.0 37.2 78
Webber Springs 9250 12.3 20.8 59 19.0 23.8 80
Whiskey Park 8950 15.6 24.9 63 23.4 25.8 91
Willow Creek Pass 9520 6.6 12.2 54 9.4 12.8 73
Zirkel 9320 8.3 27.0 31 23.9 29.2 82
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Basin Index (%) 48 78
SWEETWATER
Deer Park 9690 11.2 13.7 82 16.3 16.4 99
Larsen Creek 8880 .2 10.6 2 10.2 12.4 82
South Pass 9040 9.7 13.8 70 13.8 14.2 97
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Basin Index (%) 55 94
LOWER N. PLATTE
Casper Mtn. 7940 .4 12.4 3 9.2 12.6 73
Laprele Creek 8370 1.2 9.1 13 9.3 10.8 86
Reno Hill 8410 5.0 12.8 39 10.7 12.7 84
Windy Peak 7890 .1 7.8 1 7.3 9.1 80
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Basin Index (%) 16 81
LARAMIE RIVER
Brooklyn Lake 10250 12.1 20.0 60 18.2 20.3 90
Cinnabar Park 9670 9.4 19.4 48 16.5 22.0 75
Crow Creek 8320 .0 5.9 0 6.1 9.9 62
Deadman Hill 10240 8.5 15.4 55 10.5 16.2 65
Rawah 9100 1.6 10.2 16 9.3 14.2 65
Roach 9710 5.8 14.4 40 11.6 17.2 67
Windy Peak 7890 .1 7.8 1 7.3 9.1 80
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Basin Index (%) 40 73
S. PLATTE
Crow Creek 8320 .0 5.9 0 6.1 9.9 62
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Basin Index (%) 0 62
LITTLE SNAKE RIVER
Battle Mountain 7460 .1 11.0 1 11.9 14.0 85
Divide Peak 8700 4.2 18.0 23 13.9 20.4 68
Elk River 8710 5.4 17.4 31 15.7 17.6 89
Elkhead Divide 8780 5.4 -M * -M -M *
Little Snake River 8930 11.8 24.9 47 24.2 30.1 80
Old Battle 9840 19.2 28.2 68 25.9 31.1 83
Sage Creek Basin 7830 .0 12.3 0 9.2 12.0 77
Sandstone RS 8150 1.2 12.2 10 12.4 16.7 74
Whiskey Park 8950 15.6 24.9 63 23.4 25.8 91
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Basin Index (%) 39 81
UPPER GREEN RIVER
Big Sandy Opening 9100 9.6 12.6 76 10.1 12.0 84
Blind Bull Sum 8880 22.5 23.3 97 15.7 17.4 90
East Rim Divide 8010 3.6 10.5 34 10.8 10.6 102
Elkhart Park G.S. 9410 8.3 11.9 70 12.4 12.0 103
Gros Ventre Summit 8760 9.7 12.0 81 14.3 11.6 123
Gunsight Pass 9820 10.5 12.4 85 14.9 13.1 114
Indian Creek 9400 16.0 22.2 72 19.2 18.2 105
Kendall R.S. 7790 7.5 11.2 67 16.0 12.7 126
Larsen Creek 8880 .2 10.6 2 10.2 12.4 82
Loomis Park 8240 8.4 15.0 56 15.4 16.2 95
New Fork Lake 8380 5.6 10.1 55 12.1 10.0 121
Pocket Creek 9370 -M -M * -M -M *
Snider Basin 8080 2.7 12.3 22 13.5 13.2 102
Spring Creek Divide 9020 20.7 23.7 87 23.2 22.6 103
Triple Peak 8520 18.7 22.2 84 25.5 24.4 105
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Basin Index (%) 69 103
LOWER GREEN RIVER
Blacks Fork Jct 8880 -M 8.0 * 10.0 11.4 88
Buck Pasture 9630 7.6 -M * 14.2 -M *
EF Blacks Fork GS 9360 .0 11.0 0 9.3 10.0 93
Hams Fork 7860 -M 10.6 * 11.7 10.4 112
Henrys Fork 10180 -M -M * 10.1 -M *
Hewinta 9510 .0 9.6 0 10.5 12.2 86
Hickerson Park 9120 .0 7.2 0 7.2 9.3 77
Hole-in-Rock 9170 .0 7.0 0 7.9 9.0 88
Indian Creek 9400 16.0 22.2 72 19.2 18.2 105
Kelley R.S. 8240 9.3 14.2 65 16.2 15.2 107
Spirit Lk 10240 5.4 11.8 46 14.0 15.6 90
Steel Creek Park 10140 9.6 13.6 71 13.3 14.8 90
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Basin Index (%) 42 95
UPPER BEAR RIVER
Bear River RS 8510 .0 8.5 0 10.0 11.1 90
Bug Lake 7980 7.1 17.7 40 18.7 16.8 111
Burts Miller Ranch 7900 .0 5.6 0 9.5 7.1 134
Chalk Creek #1 9160 10.6 21.4 50 19.0 21.2 90
Giveout 6940 .0 7.9 0 13.4 11.2 120
Hayden Fork 9170 5.4 14.0 39 17.2 18.8 91
Kelley R.S. 8240 9.3 14.2 65 16.2 15.2 107
Lily Lake 9130 -M 11.9 * 11.6 14.0 83
Monte Cristo 8930 15.2 25.2 60 23.7 24.1 98
Salt River Summit 7630 4.2 12.9 33 14.8 14.8 100
Spring Creek Divide 9020 20.7 23.7 87 23.2 22.6 103
Trial Lake 9970 14.7 20.8 71 19.0 20.8 91
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Basin Index (%) 51 99
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.
