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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 SATURDAY: MARCH 7 , 2026 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 14.5 15.3 95 21.2 17.4 122 Blind Bull Sum 8880 20.7 20.2 102 15.2 15.8 96 Cottonwood Creek 7710 16.0 18.6 86 23.4 20.8 112 East Rim Divide 8010 7.6 9.5 80 10.3 9.6 107 Grand Targhee 9260 -M 33.7 * -M 26.4 * Granite Creek 6770 13.4 15.1 89 19.2 16.2 119 Grassy Lake 7330 18.1 27.1 67 27.6 29.4 94 Gros Ventre Summit 8760 11.3 10.4 109 13.5 10.2 132 Gunsight Pass 9820 12.3 10.8 114 14.2 11.5 123 Lewis Lake Divide 7880 28.9 25.2 115 34.7 27.4 127 Loomis Park 8240 12.0 13.4 90 14.4 14.4 100 Phillips Bench 8170 19.4 21.8 89 24.8 22.8 109 Salt River Summit 7630 10.2 11.2 91 14.7 13.0 113 Snake River Station 6900 11.5 15.0 77 19.4 18.8 103 Somsen Ranch 6830 6.8 11.0 62 15.6 14.1 111 Spring Creek Divide 9020 19.9 20.4 98 22.5 19.9 113 Thumb Divide 7970 15.8 13.3 119 18.9 14.4 131 Togwotee Pass 9590 20.3 20.0 102 24.9 21.4 116 Triple Peak 8520 20.1 20.2 100 24.1 21.3 113 Two Ocean Plateau 9240 29.3 23.8 123 28.2 21.8 129 Willow Creek 8060 22.4 24.8 90 28.2 27.6 102 Younts Peak 8340 13.0 12.9 101 18.3 12.3 149 ----- ----- Basin Index (%) 95 114 MADISON HEADWATERS IN WYOMING Black Bear 8160 26.0 31.9 82 31.0 31.5 98 Canyon 7870 10.4 11.4 91 14.2 12.6 113 Madison Plateau 7710 17.0 18.6 91 23.9 20.8 115 West Yellowstone 6680 8.0 9.3 86 14.0 11.9 118 Whiskey Creek 6790 11.1 13.1 85 20.1 16.6 121 ----- ----- Basin Index (%) 86 110 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 19.7 18.5 106 21.6 17.2 126 Canyon 7870 10.4 11.4 91 14.2 12.6 113 Evening Star 9030 25.0 22.5 111 30.1 24.5 123 Fisher Creek 9110 30.6 27.2 112 32.2 26.6 121 Monument Peak 8740 18.2 16.9 108 22.3 17.8 125 Northeast Entrance 7420 7.3 9.3 78 14.2 11.2 127 Parker Peak 9420 21.3 18.3 116 22.9 16.9 136 Sylvan Lake 8440 15.9 16.6 96 23.0 19.0 121 Thumb Divide 7970 15.8 13.3 119 18.9 14.4 131 Two Ocean Plateau 9240 29.3 23.8 123 28.2 21.8 129 White Mill 8730 22.1 20.4 108 22.6 19.0 119 Wolverine 7660 7.3 10.6 69 14.3 10.5 136 ----- ----- Basin Index (%) 107 125 WIND RIVER Burroughs Creek 8760 9.2 -M * 15.2 -M * Castle Creek 8410 4.4 6.8 65 6.3 7.4 85 Cold Springs 9640 6.3 6.3 100 11.4 7.2 158 Deer Park 9690 13.4 10.8 124 15.4 13.5 114 Hobbs Park 10080 11.2 11.2 100 12.8 9.8 131 Kirwin 9580 10.6 8.8 120 15.6 9.4 166 Little Warm 9370 9.2 8.4 110 13.0 9.9 131 South Pass 9040 11.6 12.2 95 13.1 12.6 104 St. Lawrence Alt 8610 -M -M * -M -M * Togwotee Pass 9590 20.3 20.0 102 24.9 21.4 116 Townsend Creek 8720 5.6 7.3 77 9.3 8.4 111 ----- ----- Basin Index (%) 101 122 BIGHORN BASIN Bald Mtn. 9360 13.7 15.7 87 13.8 13.1 105 Bear Trap Meadow 8200 4.2 5.4 78 8.1 6.6 123 Bone Springs Div 9340 9.9 13.5 73 9.6 12.6 76 Grave Springs 8560 3.6 7.0 51 7.4 7.4 100 Kirwin 9580 10.6 8.8 120 15.6 9.4 166 Marquette 8800 2.4 5.6 43 5.6 7.1 79 Middle Powder 7760 5.4 8.4 64 8.8 7.8 113 Owl Creek 8990 1.8 4.5 40 4.6 4.9 94 Powder River Pass 9480 9.3 9.0 103 13.4 10.0 134 Shell Creek 9570 11.2 12.4 90 12.5 11.0 114 Timber Creek 7910 .1 4.1 2 2.8 5.8 48 ----- ----- Basin Index (%) 76 107 SHOSHONE RIVER Blackwater 9830 19.4 18.8 103 22.5 18.0 125 Evening Star 9030 25.0 22.5 111 30.1 24.5 123 Marquette 8800 2.4 5.6 43 5.6 7.1 79 Sylvan Lake 8440 15.9 16.6 96 23.0 19.0 121 Sylvan Road 7140 9.5 10.4 91 17.1 14.4 119 Younts Peak 8340 13.0 12.9 101 18.3 12.3 149 ----- ----- Basin Index (%) 98 122 POWDER RIVER Bear Trap Meadow 8200 4.2 5.4 78 8.1 6.6 123 Cloud Peak Reservoir 9830 9.8 12.2 80 10.9 10.6 103 Grave Springs 8560 3.6 7.0 51 7.4 7.4 100 Hansen Sawmill 8360 3.4 5.6 61 8.8 6.6 133 Middle Powder 7760 5.4 8.4 64 8.8 7.8 113 Powder River Pass 9480 9.3 9.0 103 13.4 10.0 134 Soldier Park 8680 1.5 5.7 26 6.1 7.5 81 ----- ----- Basin Index (%) 70 112 TONGUE RIVER Big Goose 8010 -M 6.4 * 7.2 8.0 90 Bone Springs Div 9340 9.9 13.5 73 9.6 12.6 76 Burgess Junction 7910 5.2 8.9 58 8.5 9.5 89 Dome Lake 8890 5.4 9.2 59 9.5 9.7 98 Little Goose 8560 4.7 7.8 60 8.9 9.6 93 Sucker Creek 8840 6.2 10.2 61 10.3 11.2 92 Tie Creek 7050 .2 4.6 4 6.9 8.8 78 ----- ----- Basin Index (%) 58 88 BELLE FOURCHE Blind Park 6900 4.1 6.8 60 10.6 9.0 118 Cole Canyon 5930 2.7 4.8 56 8.7 7.4 118 North Rapid Creek 6150 4.3 6.0 72 7.8 7.4 105 ----- ----- Basin Index (%) 63 114 CHEYENNE RIVER BASIN Blind Park 6900 4.1 6.8 60 10.6 9.0 118 North Rapid Creek 6150 4.3 6.0 72 7.8 7.4 105 ----- ----- Basin Index (%) 66 112 UPPER N. PLATTE Arapaho Ridge 10960 13.2 17.8 74 14.4 17.8 81 Blackhall Mtn 9830 16.3 23.1 71 19.4 23.1 84 Cinnabar Park 9670 12.4 17.5 71 15.9 20.0 80 Columbine 9170 17.0 20.4 83 17.7 19.8 89 Divide Peak 8700 9.4 16.1 58 13.6 17.6 77 Joe Wright 10140 10.4 17.8 58 17.2 21.5 80 Laprele Creek 8370 4.7 7.8 60 8.9 9.2 97 Med Bow 10500 24.7 -M * 23.8 -M * Never Summer 10300 12.6 16.4 77 9.2 14.2 65 North French Creek 10150 19.5 22.7 86 20.7 22.0 94 Old Battle 9840 20.2 25.2 80 25.2 27.8 91 Rawah 9100 6.3 9.6 66 9.0 12.8 70 Sage Creek Basin 7830 5.6 11.9 47 9.1 10.8 84 Sand Lake 10080 16.1 21.8 74 17.2 19.6 88 South Brush Creek 8480 6.0 10.2 59 8.0 11.2 71 Tower 10610 26.7 37.4 71 28.1 32.9 85 Webber Springs 9250 14.3 17.9 80 18.1 20.9 87 Whiskey Park 8950 19.5 22.8 86 23.0 23.4 98 Willow Creek Pass 9520 6.7 10.6 63 8.8 11.0 80 Zirkel 9320 17.0 25.0 68 23.0 26.4 87 ----- ----- Basin Index (%) 72 85 SWEETWATER Deer Park 9690 13.4 10.8 124 15.4 13.5 114 Larsen Creek 8880 5.8 10.0 58 10.1 11.0 92 South Pass 9040 11.6 12.2 95 13.1 12.6 104 ----- ----- Basin Index (%) 93 104 LOWER N. PLATTE Casper Mtn. 7940 4.7 10.6 44 8.4 10.6 79 Laprele Creek 8370 4.7 7.8 60 8.9 9.2 97 Reno Hill 8410 5.5 11.2 49 9.4 11.3 83 Windy Peak 7890 2.5 6.4 39 6.9 7.7 90 ----- ----- Basin Index (%) 48 87 LARAMIE RIVER Brooklyn Lake 10250 14.4 17.4 83 16.8 17.6 95 Cinnabar Park 9670 12.4 17.5 71 15.9 20.0 80 Crow Creek 8320 .7 6.0 12 5.5 8.1 68 Deadman Hill 10240 9.8 13.6 72 9.7 13.9 70 Rawah 9100 6.3 9.6 66 9.0 12.8 70 Roach 9710 8.1 12.6 64 11.1 15.2 73 Windy Peak 7890 2.5 6.4 39 6.9 7.7 90 ----- ----- Basin Index (%) 65 79 S. PLATTE Crow Creek 8320 .7 6.0 12 5.5 8.1 68 ----- ----- Basin Index (%) 12 68 LITTLE SNAKE RIVER Battle Mountain 7460 4.4 10.6 42 11.8 12.6 94 Divide Peak 8700 9.4 16.1 58 13.6 17.6 77 Elk River 8710 11.7 16.2 72 15.2 15.9 96 Elkhead Divide 8780 10.0 -M * -M -M * Little Snake River 8930 18.0 23.0 78 23.7 27.2 87 Old Battle 9840 20.2 25.2 80 25.2 27.8 91 Sage Creek Basin 7830 5.6 11.9 47 9.1 10.8 84 Sandstone RS 8150 8.7 11.2 78 12.1 15.5 78 Whiskey Park 8950 19.5 22.8 86 23.0 23.4 98 ----- ----- Basin Index (%) 71 89 UPPER GREEN RIVER Big Sandy Opening 9100 9.7 10.8 90 9.8 10.5 93 Blind Bull Sum 8880 20.7 20.2 102 15.2 15.8 96 East Rim Divide 8010 7.6 9.5 80 10.3 9.6 107 Elkhart Park G.S. 9410 10.2 10.2 100 12.1 10.6 114 Gros Ventre Summit 8760 11.3 10.4 109 13.5 10.2 132 Gunsight Pass 9820 12.3 10.8 114 14.2 11.5 123 Indian Creek 9400 18.8 19.2 98 18.9 16.4 115 Kendall R.S. 7790 11.3 10.5 108 15.0 11.4 132 Larsen Creek 8880 5.8 10.0 58 10.1 11.0 92 Loomis Park 8240 12.0 13.4 90 14.4 14.4 100 New Fork Lake 8380 8.1 9.2 88 11.3 9.0 126 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 8.1 11.4 71 12.9 11.8 109 Spring Creek Divide 9020 19.9 20.4 98 22.5 19.9 113 Triple Peak 8520 20.1 20.2 100 24.1 21.3 113 ----- ----- Basin Index (%) 94 111 LOWER GREEN RIVER Blacks Fork Jct 8880 6.9 7.0 99 9.8 9.8 100 Buck Pasture 9630 11.7 -M * 14.0 -M * EF Blacks Fork GS 9360 4.4 9.8 45 9.2 9.1 101 Hams Fork 7860 9.9 9.8 101 11.2 9.1 123 Henrys Fork 10180 -M -M * 10.1 -M * Hewinta 9510 5.7 8.6 66 10.3 10.8 95 Hickerson Park 9120 4.8 6.5 74 7.5 8.5 88 Hole-in-Rock 9170 3.6 5.9 61 7.8 8.0 98 Indian Creek 9400 18.8 19.2 98 18.9 16.4 115 Kelley R.S. 8240 11.2 12.4 90 15.9 14.0 114 Spirit Lk 10240 10.1 9.9 102 13.7 13.1 105 Steel Creek Park 10140 11.2 12.4 90 13.1 13.0 101 ----- ----- Basin Index (%) 85 105 UPPER BEAR RIVER Bear River RS 8510 6.0 7.8 77 10.1 9.4 107 Bug Lake 7980 14.3 15.5 92 18.6 15.0 124 Burts Miller Ranch 7900 3.1 5.7 54 10.3 6.0 172 Chalk Creek #1 9160 14.9 18.8 79 18.9 18.7 101 Giveout 6940 5.9 8.4 70 13.0 10.0 130 Hayden Fork 9170 11.7 12.4 94 17.1 16.6 103 Kelley R.S. 8240 11.2 12.4 90 15.9 14.0 114 Lily Lake 9130 8.0 10.5 76 11.6 12.8 91 Monte Cristo 8930 19.4 22.6 86 23.8 21.0 113 Salt River Summit 7630 10.2 11.2 91 14.7 13.0 113 Spring Creek Divide 9020 19.9 20.4 98 22.5 19.9 113 Trial Lake 9970 18.3 18.4 99 18.9 18.4 103 ----- ----- Basin Index (%) 87 112 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.