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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 SUNDAY: MARCH 1 , 2026 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 14.2 14.8 96 20.8 16.8 124 Blind Bull Sum 8880 20.4 19.4 105 15.0 15.2 99 Cottonwood Creek 7710 15.9 17.6 90 22.8 19.5 117 East Rim Divide 8010 7.4 9.0 82 10.1 9.2 110 Grand Targhee 9260 -M 33.1 * -M 25.8 * Granite Creek 6770 12.8 14.3 90 18.7 15.8 118 Grassy Lake 7330 17.3 26.0 67 26.8 28.4 94 Gros Ventre Summit 8760 11.3 9.4 120 13.4 9.4 143 Gunsight Pass 9820 12.0 10.4 115 14.1 10.9 129 Lewis Lake Divide 7880 27.8 24.6 113 34.1 26.6 128 Loomis Park 8240 11.9 12.7 94 14.2 13.9 102 Phillips Bench 8170 19.0 20.8 91 24.4 21.8 112 Salt River Summit 7630 9.7 10.8 90 14.2 12.6 113 Snake River Station 6900 11.0 14.6 75 19.1 17.4 110 Somsen Ranch 6830 6.4 10.8 59 15.2 13.4 113 Spring Creek Divide 9020 18.9 19.4 97 21.6 19.2 112 Thumb Divide 7970 15.5 12.9 120 18.7 13.8 136 Togwotee Pass 9590 19.8 18.8 105 24.3 19.8 123 Triple Peak 8520 19.5 19.4 101 23.7 20.6 115 Two Ocean Plateau 9240 28.5 22.6 126 27.3 20.5 133 Willow Creek 8060 21.1 23.6 89 26.8 25.8 104 Younts Peak 8340 13.1 11.8 111 18.4 11.4 161 ----- ----- Basin Index (%) 97 117 MADISON HEADWATERS IN WYOMING Black Bear 8160 25.4 29.9 85 30.4 29.1 104 Canyon 7870 10.2 10.8 94 14.0 12.2 115 Madison Plateau 7710 16.7 17.4 96 23.5 20.0 118 West Yellowstone 6680 7.9 9.3 85 13.8 11.3 122 Whiskey Creek 6790 10.9 12.2 89 19.8 15.6 127 ----- ----- Basin Index (%) 89 115 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 19.6 17.9 109 21.4 16.5 130 Canyon 7870 10.2 10.8 94 14.0 12.2 115 Evening Star 9030 24.9 21.8 114 29.9 23.7 126 Fisher Creek 9110 30.4 26.6 114 32.0 25.6 125 Monument Peak 8740 17.9 16.5 108 21.9 17.1 128 Northeast Entrance 7420 7.4 8.6 86 13.9 10.8 129 Parker Peak 9420 20.9 17.2 122 22.5 15.7 143 Sylvan Lake 8440 15.2 15.7 97 22.4 18.4 122 Thumb Divide 7970 15.5 12.9 120 18.7 13.8 136 Two Ocean Plateau 9240 28.5 22.6 126 27.3 20.5 133 White Mill 8730 22.0 19.0 116 22.6 18.4 123 Wolverine 7660 7.6 9.8 78 14.3 10.2 140 ----- ----- Basin Index (%) 110 129 WIND RIVER Burroughs Creek 8760 9.2 -M * 15.8 -M * Castle Creek 8410 4.3 6.2 69 6.4 6.9 93 Cold Springs 9640 6.1 5.7 107 11.1 6.9 161 Deer Park 9690 12.3 10.4 118 14.5 13.1 111 Hobbs Park 10080 10.3 10.1 102 11.9 8.8 135 Kirwin 9580 10.4 8.6 121 15.4 9.1 169 Little Warm 9370 9.1 7.8 117 12.9 9.4 137 South Pass 9040 10.7 11.3 95 12.2 11.4 107 St. Lawrence Alt 8610 -M -M * -M -M * Togwotee Pass 9590 19.8 18.8 105 24.3 19.8 123 Townsend Creek 8720 4.5 6.5 69 8.3 8.1 102 ----- ----- Basin Index (%) 102 125 BIGHORN BASIN Bald Mtn. 9360 13.4 14.8 91 13.6 12.8 106 Bear Trap Meadow 8200 3.8 5.0 76 7.8 6.2 126 Bone Springs Div 9340 10.2 12.8 80 9.6 12.4 77 Grave Springs 8560 3.3 6.6 50 7.1 6.8 104 Kirwin 9580 10.4 8.6 121 15.4 9.1 169 Marquette 8800 1.9 5.2 37 5.1 6.7 76 Middle Powder 7760 4.4 7.8 56 8.0 7.0 114 Owl Creek 8990 1.8 4.3 42 4.8 4.8 100 Powder River Pass 9480 9.1 8.6 106 13.1 9.6 136 Shell Creek 9570 11.1 11.8 94 12.4 10.8 115 Timber Creek 7910 .0 4.0 0 3.2 5.6 57 ----- ----- Basin Index (%) 78 109 SHOSHONE RIVER Blackwater 9830 19.2 17.2 112 22.3 17.0 131 Evening Star 9030 24.9 21.8 114 29.9 23.7 126 Marquette 8800 1.9 5.2 37 5.1 6.7 76 Sylvan Lake 8440 15.2 15.7 97 22.4 18.4 122 Sylvan Road 7140 8.8 10.2 86 17.0 14.0 121 Younts Peak 8340 13.1 11.8 111 18.4 11.4 161 ----- ----- Basin Index (%) 101 126 POWDER RIVER Bear Trap Meadow 8200 3.8 5.0 76 7.8 6.2 126 Cloud Peak Reservoir 9830 9.4 11.6 81 10.6 10.2 104 Grave Springs 8560 3.3 6.6 50 7.1 6.8 104 Hansen Sawmill 8360 3.5 5.4 65 8.6 6.2 139 Middle Powder 7760 4.4 7.8 56 8.0 7.0 114 Powder River Pass 9480 9.1 8.6 106 13.1 9.6 136 Soldier Park 8680 1.7 5.2 33 6.1 7.0 87 ----- ----- Basin Index (%) 70 116 TONGUE RIVER Big Goose 8010 2.0 6.0 33 6.8 7.8 87 Bone Springs Div 9340 10.2 12.8 80 9.6 12.4 77 Burgess Junction 7910 4.6 8.2 56 8.0 9.2 87 Dome Lake 8890 5.2 8.8 59 9.2 9.4 98 Little Goose 8560 4.2 7.4 57 8.5 9.3 91 Sucker Creek 8840 5.9 9.5 62 10.0 10.6 94 Tie Creek 7050 .0 4.4 0 6.6 8.4 79 ----- ----- Basin Index (%) 56 87 BELLE FOURCHE Blind Park 6900 4.4 6.6 67 10.8 8.8 123 Cole Canyon 5930 2.5 4.7 53 8.8 7.2 122 North Rapid Creek 6150 4.1 5.8 71 7.9 7.2 110 ----- ----- Basin Index (%) 64 119 CHEYENNE RIVER BASIN Blind Park 6900 4.4 6.6 67 10.8 8.8 123 North Rapid Creek 6150 4.1 5.8 71 7.9 7.2 110 ----- ----- Basin Index (%) 69 117 UPPER N. PLATTE Arapaho Ridge 10960 12.2 17.2 71 13.4 17.0 79 Blackhall Mtn 9830 15.4 22.1 70 18.5 22.2 83 Cinnabar Park 9670 11.9 16.8 71 15.4 19.5 79 Columbine 9170 16.7 18.9 88 17.4 19.0 92 Divide Peak 8700 8.7 15.2 57 12.7 16.9 75 Joe Wright 10140 9.8 16.3 60 16.5 20.4 81 Laprele Creek 8370 4.1 7.2 57 8.3 8.4 99 Med Bow 10500 23.6 -M * 23.0 -M * Never Summer 10300 11.6 16.0 72 8.6 13.4 64 North French Creek 10150 18.9 22.1 86 20.1 21.3 94 Old Battle 9840 19.2 24.2 79 24.6 27.2 90 Rawah 9100 5.6 9.0 62 7.9 12.4 64 Sage Creek Basin 7830 5.2 11.4 46 8.5 10.7 79 Sand Lake 10080 14.8 21.2 70 16.5 18.2 91 South Brush Creek 8480 5.6 9.4 60 7.5 10.8 69 Tower 10610 25.8 35.2 73 27.5 32.8 84 Webber Springs 9250 13.1 16.7 78 17.3 20.2 86 Whiskey Park 8950 18.9 21.4 88 22.5 22.0 102 Willow Creek Pass 9520 5.8 10.6 55 8.1 10.6 76 Zirkel 9320 17.1 23.1 74 22.5 24.8 91 ----- ----- Basin Index (%) 72 84 SWEETWATER Deer Park 9690 12.3 10.4 118 14.5 13.1 111 Larsen Creek 8880 5.8 9.5 61 10.0 10.8 93 South Pass 9040 10.7 11.3 95 12.2 11.4 107 ----- ----- Basin Index (%) 92 104 LOWER N. PLATTE Casper Mtn. 7940 3.0 9.6 31 7.2 10.2 71 Laprele Creek 8370 4.1 7.2 57 8.3 8.4 99 Reno Hill 8410 4.3 10.2 42 8.1 10.7 76 Windy Peak 7890 2.3 6.0 38 6.5 7.4 88 ----- ----- Basin Index (%) 42 82 LARAMIE RIVER Brooklyn Lake 10250 13.9 16.5 84 16.4 17.0 96 Cinnabar Park 9670 11.9 16.8 71 15.4 19.5 79 Crow Creek 8320 .2 5.9 3 4.6 7.8 59 Deadman Hill 10240 9.0 13.3 68 9.0 13.0 69 Rawah 9100 5.6 9.0 62 7.9 12.4 64 Roach 9710 6.8 12.3 55 9.9 14.8 67 Windy Peak 7890 2.3 6.0 38 6.5 7.4 88 ----- ----- Basin Index (%) 62 76 S. PLATTE Crow Creek 8320 .2 5.9 3 4.6 7.8 59 ----- ----- Basin Index (%) 3 59 LITTLE SNAKE RIVER Battle Mountain 7460 4.5 10.2 44 11.4 12.2 93 Divide Peak 8700 8.7 15.2 57 12.7 16.9 75 Elk River 8710 11.2 15.1 74 15.0 15.0 100 Elkhead Divide 8780 9.9 -M * -M -M * Little Snake River 8930 17.5 21.8 80 23.1 27.0 86 Old Battle 9840 19.2 24.2 79 24.6 27.2 90 Sage Creek Basin 7830 5.2 11.4 46 8.5 10.7 79 Sandstone RS 8150 8.1 10.3 79 11.8 14.8 80 Whiskey Park 8950 18.9 21.4 88 22.5 22.0 102 ----- ----- Basin Index (%) 72 89 UPPER GREEN RIVER Big Sandy Opening 9100 9.5 10.2 93 9.7 10.0 97 Blind Bull Sum 8880 20.4 19.4 105 15.0 15.2 99 East Rim Divide 8010 7.4 9.0 82 10.1 9.2 110 Elkhart Park G.S. 9410 10.0 9.6 104 10.6 10.0 106 Gros Ventre Summit 8760 11.3 9.4 120 13.4 9.4 143 Gunsight Pass 9820 12.0 10.4 115 14.1 10.9 129 Indian Creek 9400 17.4 18.9 92 17.8 16.0 111 Kendall R.S. 7790 11.3 9.8 115 14.8 10.6 140 Larsen Creek 8880 5.8 9.5 61 10.0 10.8 93 Loomis Park 8240 11.9 12.7 94 14.2 13.9 102 New Fork Lake 8380 8.1 8.7 93 11.2 8.3 135 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 7.8 10.8 72 12.4 11.2 111 Spring Creek Divide 9020 18.9 19.4 97 21.6 19.2 112 Triple Peak 8520 19.5 19.4 101 23.7 20.6 115 ----- ----- Basin Index (%) 97 113 LOWER GREEN RIVER Blacks Fork Jct 8880 6.2 6.7 93 9.0 9.6 94 Buck Pasture 9630 10.5 -M * 12.9 -M * EF Blacks Fork GS 9360 3.6 8.9 40 8.2 8.6 95 Hams Fork 7860 9.1 9.2 99 10.7 8.7 123 Henrys Fork 10180 -M -M * 9.0 -M * Hewinta 9510 4.8 8.0 60 9.4 10.5 90 Hickerson Park 9120 3.4 6.1 56 6.4 8.2 78 Hole-in-Rock 9170 3.1 5.7 54 7.4 7.6 97 Indian Creek 9400 17.4 18.9 92 17.8 16.0 111 Kelley R.S. 8240 10.4 12.0 87 15.0 13.4 112 Spirit Lk 10240 8.9 9.3 96 12.6 12.6 100 Steel Creek Park 10140 9.9 11.3 88 12.0 12.7 94 ----- ----- Basin Index (%) 80 101 UPPER BEAR RIVER Bear River RS 8510 4.8 7.6 63 8.6 9.3 92 Bug Lake 7980 12.8 14.8 86 17.0 14.6 116 Burts Miller Ranch 7900 2.5 5.3 47 9.1 5.7 160 Chalk Creek #1 9160 12.6 17.8 71 17.0 17.7 96 Giveout 6940 5.7 7.9 72 12.2 9.8 124 Hayden Fork 9170 10.1 11.8 86 15.4 16.2 95 Kelley R.S. 8240 10.4 12.0 87 15.0 13.4 112 Lily Lake 9130 6.6 10.1 65 10.1 12.3 82 Monte Cristo 8930 16.7 20.6 81 21.5 20.3 106 Salt River Summit 7630 9.7 10.8 90 14.2 12.6 113 Spring Creek Divide 9020 18.9 19.4 97 21.6 19.2 112 Trial Lake 9970 16.8 17.5 96 17.6 17.8 99 ----- ----- Basin Index (%) 82 106 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.