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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: FEBRUARY 25 , 2026 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 13.7 14.6 94 20.1 16.6 121 Blind Bull Sum 8880 19.5 18.8 104 14.3 14.6 98 Cottonwood Creek 7710 15.5 17.0 91 22.1 19.2 115 East Rim Divide 8010 7.1 8.4 85 9.9 8.8 112 Grand Targhee 9260 -M 32.5 * -M 25.4 * Granite Creek 6770 12.4 13.9 89 18.0 15.3 118 Grassy Lake 7330 17.0 25.2 67 26.3 27.7 95 Gros Ventre Summit 8760 11.3 9.2 123 13.3 8.8 151 Gunsight Pass 9820 11.8 10.0 118 13.9 10.8 129 Lewis Lake Divide 7880 26.8 23.9 112 33.1 26.2 126 Loomis Park 8240 11.4 12.3 93 13.8 13.3 104 Phillips Bench 8170 18.8 19.8 95 23.8 21.0 113 Salt River Summit 7630 9.6 10.6 91 13.8 12.4 111 Snake River Station 6900 10.8 14.0 77 18.8 17.2 109 Somsen Ranch 6830 7.0 10.6 66 15.1 13.1 115 Spring Creek Divide 9020 18.0 19.0 95 20.8 18.9 110 Thumb Divide 7970 15.3 12.2 125 18.5 13.2 140 Togwotee Pass 9590 19.1 18.0 106 23.6 19.2 123 Triple Peak 8520 18.9 17.9 106 23.1 19.8 117 Two Ocean Plateau 9240 27.7 22.2 125 26.8 19.8 135 Willow Creek 8060 20.3 22.3 91 26.3 25.5 103 Younts Peak 8340 13.8 11.4 121 18.1 11.4 159 ----- ----- Basin Index (%) 98 117 MADISON HEADWATERS IN WYOMING Black Bear 8160 25.4 29.1 87 30.0 27.6 109 Canyon 7870 10.2 10.4 98 14.0 11.8 119 Madison Plateau 7710 16.6 17.0 98 23.4 19.2 122 West Yellowstone 6680 8.0 8.6 93 13.8 10.9 127 Whiskey Creek 6790 10.9 11.8 92 19.8 14.6 136 ----- ----- Basin Index (%) 92 120 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 19.0 17.4 109 20.9 15.8 132 Canyon 7870 10.2 10.4 98 14.0 11.8 119 Evening Star 9030 24.7 21.2 117 29.6 23.2 128 Fisher Creek 9110 29.7 26.0 114 31.6 25.0 126 Monument Peak 8740 17.8 15.8 113 21.6 16.8 129 Northeast Entrance 7420 7.1 8.4 85 13.6 10.5 130 Parker Peak 9420 20.7 16.7 124 22.3 15.4 145 Sylvan Lake 8440 15.2 15.1 101 22.3 18.0 124 Thumb Divide 7970 15.3 12.2 125 18.5 13.2 140 Two Ocean Plateau 9240 27.7 22.2 125 26.8 19.8 135 White Mill 8730 21.6 18.4 117 22.1 18.2 121 Wolverine 7660 7.6 9.2 83 14.2 9.8 145 ----- ----- Basin Index (%) 112 130 WIND RIVER Burroughs Creek 8760 8.4 -M * 15.3 -M * Castle Creek 8410 4.1 6.0 68 6.3 6.8 93 Cold Springs 9640 6.0 5.6 107 10.9 6.8 160 Deer Park 9690 11.8 10.0 118 14.0 13.0 108 Hobbs Park 10080 10.3 9.6 107 11.7 8.3 141 Kirwin 9580 10.1 7.9 128 15.0 8.8 170 Little Warm 9370 8.8 7.6 116 12.6 9.1 138 South Pass 9040 10.2 11.1 92 11.8 10.8 109 St. Lawrence Alt 8610 2.7 -M * 6.7 -M * Togwotee Pass 9590 19.1 18.0 106 23.6 19.2 123 Townsend Creek 8720 4.5 6.4 70 8.3 7.8 106 ----- ----- Basin Index (%) 103 126 BIGHORN BASIN Bald Mtn. 9360 13.1 14.4 91 13.3 12.3 108 Bear Trap Meadow 8200 3.8 4.7 81 7.7 6.0 128 Bone Springs Div 9340 9.9 12.2 81 9.4 11.7 80 Grave Springs 8560 3.2 6.1 52 7.0 6.6 106 Kirwin 9580 10.1 7.9 128 15.0 8.8 170 Marquette 8800 1.9 5.0 38 5.1 6.6 77 Middle Powder 7760 4.2 7.4 57 7.9 6.8 116 Owl Creek 8990 1.6 4.1 39 4.6 4.5 102 Powder River Pass 9480 8.9 8.4 106 12.9 9.6 134 Shell Creek 9570 10.7 11.5 93 12.0 10.7 112 Timber Creek 7910 -M 3.2 * 3.5 5.6 62 ----- ----- Basin Index (%) 82 110 SHOSHONE RIVER Blackwater 9830 19.1 16.9 113 21.6 16.6 130 Evening Star 9030 24.7 21.2 117 29.6 23.2 128 Marquette 8800 1.9 5.0 38 5.1 6.6 77 Sylvan Lake 8440 15.2 15.1 101 22.3 18.0 124 Sylvan Road 7140 9.3 9.3 100 17.1 13.6 126 Younts Peak 8340 13.8 11.4 121 18.1 11.4 159 ----- ----- Basin Index (%) 106 127 POWDER RIVER Bear Trap Meadow 8200 3.8 4.7 81 7.7 6.0 128 Cloud Peak Reservoir 9830 9.1 10.8 84 10.4 9.8 106 Grave Springs 8560 3.2 6.1 52 7.0 6.6 106 Hansen Sawmill 8360 3.4 5.0 68 8.4 6.0 140 Middle Powder 7760 4.2 7.4 57 7.9 6.8 116 Powder River Pass 9480 8.9 8.4 106 12.9 9.6 134 Soldier Park 8680 1.7 5.2 33 6.0 6.8 88 ----- ----- Basin Index (%) 72 117 TONGUE RIVER Big Goose 8010 2.0 5.9 34 6.7 7.6 88 Bone Springs Div 9340 9.9 12.2 81 9.4 11.7 80 Burgess Junction 7910 4.5 7.9 57 7.8 8.8 89 Dome Lake 8890 4.8 8.4 57 9.0 9.3 97 Little Goose 8560 4.1 7.4 55 8.3 9.2 90 Sucker Creek 8840 5.7 9.1 63 9.8 10.2 96 Tie Creek 7050 .0 4.4 0 6.6 8.2 80 ----- ----- Basin Index (%) 56 89 BELLE FOURCHE Blind Park 6900 4.0 6.2 65 10.6 8.2 129 Cole Canyon 5930 2.2 4.6 48 8.6 6.8 126 North Rapid Creek 6150 4.1 5.7 72 7.8 6.6 118 ----- ----- Basin Index (%) 62 125 CHEYENNE RIVER BASIN Blind Park 6900 4.0 6.2 65 10.6 8.2 129 North Rapid Creek 6150 4.1 5.7 72 7.8 6.6 118 ----- ----- Basin Index (%) 68 124 UPPER N. PLATTE Arapaho Ridge 10960 11.5 17.0 68 12.7 16.8 76 Blackhall Mtn 9830 14.9 22.0 68 18.0 21.8 83 Cinnabar Park 9670 11.0 16.4 67 14.6 18.7 78 Columbine 9170 15.7 18.0 87 16.4 18.5 89 Divide Peak 8700 9.0 14.7 61 12.7 16.6 77 Joe Wright 10140 9.3 15.5 60 15.7 19.6 80 Laprele Creek 8370 4.0 6.9 58 8.1 8.2 99 Med Bow 10500 23.2 -M * 22.8 -M * Never Summer 10300 10.7 15.4 69 8.1 12.8 63 North French Creek 10150 18.3 21.4 86 19.6 20.0 98 Old Battle 9840 18.9 23.6 80 24.2 25.6 95 Rawah 9100 5.3 8.7 61 7.6 12.1 63 Sage Creek Basin 7830 5.4 11.3 48 8.5 10.3 83 Sand Lake 10080 14.8 20.6 72 16.5 18.0 92 South Brush Creek 8480 5.6 9.1 62 7.4 10.6 70 Tower 10610 24.9 34.2 73 26.5 31.0 85 Webber Springs 9250 13.0 16.4 79 17.0 19.4 88 Whiskey Park 8950 18.2 20.6 88 21.9 21.4 102 Willow Creek Pass 9520 5.6 10.4 54 7.8 10.5 74 Zirkel 9320 16.8 22.2 76 21.9 24.2 90 ----- ----- Basin Index (%) 72 85 SWEETWATER Deer Park 9690 11.8 10.0 118 14.0 13.0 108 Larsen Creek 8880 5.8 8.6 67 9.8 10.3 95 South Pass 9040 10.2 11.1 92 11.8 10.8 109 ----- ----- Basin Index (%) 94 104 LOWER N. PLATTE Casper Mtn. 7940 3.0 9.5 32 7.0 9.7 72 Laprele Creek 8370 4.0 6.9 58 8.1 8.2 99 Reno Hill 8410 4.1 9.6 43 8.0 10.4 77 Windy Peak 7890 2.2 5.8 38 6.4 7.3 88 ----- ----- Basin Index (%) 42 83 LARAMIE RIVER Brooklyn Lake 10250 13.3 16.0 83 15.9 16.4 97 Cinnabar Park 9670 11.0 16.4 67 14.6 18.7 78 Crow Creek 8320 .2 5.9 3 4.6 7.7 60 Deadman Hill 10240 8.8 13.0 68 8.8 13.0 68 Rawah 9100 5.3 8.7 61 7.6 12.1 63 Roach 9710 6.6 12.0 55 9.6 14.5 66 Windy Peak 7890 2.2 5.8 38 6.4 7.3 88 ----- ----- Basin Index (%) 61 75 S. PLATTE Crow Creek 8320 .2 5.9 3 4.6 7.7 60 ----- ----- Basin Index (%) 3 60 LITTLE SNAKE RIVER Battle Mountain 7460 4.9 9.8 50 11.4 11.9 96 Divide Peak 8700 9.0 14.7 61 12.7 16.6 77 Elk River 8710 10.8 14.3 76 14.6 14.6 100 Elkhead Divide 8780 9.7 -M * -M -M * Little Snake River 8930 17.0 21.4 79 22.7 26.7 85 Old Battle 9840 18.9 23.6 80 24.2 25.6 95 Sage Creek Basin 7830 5.4 11.3 48 8.5 10.3 83 Sandstone RS 8150 8.2 10.0 82 11.8 14.0 84 Whiskey Park 8950 18.2 20.6 88 21.9 21.4 102 ----- ----- Basin Index (%) 74 91 UPPER GREEN RIVER Big Sandy Opening 9100 9.2 9.7 95 9.6 9.4 102 Blind Bull Sum 8880 19.5 18.8 104 14.3 14.6 98 East Rim Divide 8010 7.1 8.4 85 9.9 8.8 112 Elkhart Park G.S. 9410 9.9 9.3 106 -M 9.8 * Gros Ventre Summit 8760 11.3 9.2 123 13.3 8.8 151 Gunsight Pass 9820 11.8 10.0 118 13.9 10.8 129 Indian Creek 9400 16.7 17.6 95 17.4 15.4 113 Kendall R.S. 7790 11.0 9.6 115 14.7 10.6 139 Larsen Creek 8880 5.8 8.6 67 9.8 10.3 95 Loomis Park 8240 11.4 12.3 93 13.8 13.3 104 New Fork Lake 8380 7.9 8.2 96 10.9 8.2 133 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 7.4 10.4 71 12.0 11.0 109 Spring Creek Divide 9020 18.0 19.0 95 20.8 18.9 110 Triple Peak 8520 18.9 17.9 106 23.1 19.8 117 ----- ----- Basin Index (%) 98 115 LOWER GREEN RIVER Blacks Fork Jct 8880 6.0 6.4 94 8.7 9.5 92 Buck Pasture 9630 10.0 -M * 12.4 -M * EF Blacks Fork GS 9360 3.3 8.0 41 7.9 8.0 99 Hams Fork 7860 9.1 8.8 103 10.3 8.6 120 Henrys Fork 10180 -M -M * 9.1 -M * Hewinta 9510 4.4 7.5 59 9.0 10.2 88 Hickerson Park 9120 3.5 5.8 60 6.4 7.6 84 Hole-in-Rock 9170 3.0 5.4 56 7.2 7.4 97 Indian Creek 9400 16.7 17.6 95 17.4 15.4 113 Kelley R.S. 8240 10.2 11.6 88 14.7 13.1 112 Spirit Lk 10240 9.0 8.8 102 12.6 12.4 102 Steel Creek Park 10140 9.5 11.2 85 11.6 11.9 97 ----- ----- Basin Index (%) 82 102 UPPER BEAR RIVER Bear River RS 8510 4.7 7.2 65 8.2 9.0 91 Bug Lake 7980 12.8 14.6 88 16.8 14.2 118 Burts Miller Ranch 7900 2.4 5.0 48 8.7 5.7 153 Chalk Creek #1 9160 12.2 16.2 75 16.6 17.1 97 Giveout 6940 6.1 7.6 80 11.9 9.6 124 Hayden Fork 9170 9.5 11.4 83 14.9 15.6 96 Kelley R.S. 8240 10.2 11.6 88 14.7 13.1 112 Lily Lake 9130 6.3 9.6 66 9.8 11.8 83 Monte Cristo 8930 16.2 19.8 82 20.7 19.4 107 Salt River Summit 7630 9.6 10.6 91 13.8 12.4 111 Spring Creek Divide 9020 18.0 19.0 95 20.8 18.9 110 Trial Lake 9970 16.2 17.2 94 17.1 17.4 98 ----- ----- Basin Index (%) 83 106 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.