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Wyoming Snow Precipitation Update

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 15 , 2026 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 15.3 16.0 96 22.1 18.0 123 Blind Bull Sum 8880 21.7 21.2 102 15.5 16.1 96 Cottonwood Creek 7710 16.4 19.2 85 23.9 22.0 109 East Rim Divide 8010 8.0 9.8 82 10.8 10.1 107 Grand Targhee 9260 -M 35.7 * -M 27.0 * Granite Creek 6770 13.1 15.4 85 19.9 16.6 120 Grassy Lake 7330 18.3 28.4 64 28.4 31.5 90 Gros Ventre Summit 8760 11.7 10.8 108 14.2 10.5 135 Gunsight Pass 9820 13.0 11.7 111 14.8 12.2 121 Lewis Lake Divide 7880 30.0 26.9 112 35.8 28.6 125 Loomis Park 8240 12.7 13.6 93 15.4 14.8 104 Phillips Bench 8170 20.3 22.6 90 25.7 23.4 110 Salt River Summit 7630 10.0 11.6 86 14.9 13.4 111 Snake River Station 6900 11.4 15.6 73 19.9 19.2 104 Somsen Ranch 6830 6.4 11.7 55 15.8 14.5 109 Spring Creek Divide 9020 20.5 21.4 96 23.1 21.0 110 Thumb Divide 7970 16.2 14.1 115 19.3 15.0 129 Togwotee Pass 9590 22.0 21.0 105 26.7 22.2 120 Triple Peak 8520 21.4 21.3 100 25.5 22.7 112 Two Ocean Plateau 9240 31.6 25.4 124 29.3 23.1 127 Willow Creek 8060 -M 26.4 * -M 28.8 * Younts Peak 8340 16.0 13.2 121 20.7 13.0 159 ----- ----- Basin Index (%) 96 115 MADISON HEADWATERS IN WYOMING Black Bear 8160 26.6 33.0 81 31.6 32.4 98 Canyon 7870 10.8 12.2 89 14.7 13.2 111 Madison Plateau 7710 17.4 20.2 86 24.2 21.7 112 West Yellowstone 6680 7.8 10.0 78 14.1 12.8 110 Whiskey Creek 6790 11.2 14.2 79 20.2 17.2 117 ----- ----- Basin Index (%) 82 108 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 23.2 19.4 120 24.8 17.7 140 Canyon 7870 10.8 12.2 89 14.7 13.2 111 Evening Star 9030 27.6 23.0 120 32.7 25.4 129 Fisher Creek 9110 33.7 28.2 120 34.7 28.1 123 Monument Peak 8740 19.7 18.2 108 24.0 18.6 129 Northeast Entrance 7420 8.5 9.4 90 15.4 11.6 133 Parker Peak 9420 23.5 18.6 126 24.6 17.8 138 Sylvan Lake 8440 16.5 17.4 95 23.6 20.1 117 Thumb Divide 7970 16.2 14.1 115 19.3 15.0 129 Two Ocean Plateau 9240 31.6 25.4 124 29.3 23.1 127 White Mill 8730 25.2 21.2 119 25.3 20.6 123 Wolverine 7660 8.0 10.8 74 15.7 11.0 143 ----- ----- Basin Index (%) 112 128 WIND RIVER Burroughs Creek 8760 10.6 -M * 17.1 -M * Castle Creek 8410 5.5 6.8 81 7.7 7.6 101 Cold Springs 9640 6.9 6.4 108 12.1 7.5 161 Deer Park 9690 14.0 11.7 120 16.2 14.8 109 Hobbs Park 10080 12.0 11.4 105 13.8 10.4 133 Kirwin 9580 12.9 9.3 139 18.0 10.0 180 Little Warm 9370 9.8 8.9 110 13.7 10.6 129 South Pass 9040 12.1 12.6 96 13.7 12.6 109 St. Lawrence Alt 8610 -M -M * -M -M * Togwotee Pass 9590 22.0 21.0 105 26.7 22.2 120 Townsend Creek 8720 6.0 7.8 77 9.9 8.9 111 ----- ----- Basin Index (%) 106 126 BIGHORN BASIN Bald Mtn. 9360 14.9 16.0 93 14.6 13.7 107 Bear Trap Meadow 8200 4.8 5.7 84 8.6 6.8 126 Bone Springs Div 9340 11.4 13.8 83 10.2 12.9 79 Grave Springs 8560 4.0 7.4 54 7.7 8.0 96 Kirwin 9580 12.9 9.3 139 18.0 10.0 180 Marquette 8800 3.1 6.0 52 6.5 7.2 90 Middle Powder 7760 6.4 8.9 72 9.5 8.6 110 Owl Creek 8990 2.4 4.6 52 5.3 5.0 106 Powder River Pass 9480 9.8 9.5 103 14.0 10.6 132 Shell Creek 9570 11.8 12.7 93 13.1 11.6 113 Timber Creek 7910 .3 4.4 7 -M 6.3 * ----- ----- Basin Index (%) 83 114 SHOSHONE RIVER Blackwater 9830 21.3 19.9 107 24.8 18.8 132 Evening Star 9030 27.6 23.0 120 32.7 25.4 129 Marquette 8800 3.1 6.0 52 6.5 7.2 90 Sylvan Lake 8440 16.5 17.4 95 23.6 20.1 117 Sylvan Road 7140 9.3 10.7 87 17.7 14.8 120 Younts Peak 8340 16.0 13.2 121 20.7 13.0 159 ----- ----- Basin Index (%) 104 127 POWDER RIVER Bear Trap Meadow 8200 4.8 5.7 84 8.6 6.8 126 Cloud Peak Reservoir 9830 11.7 12.4 94 12.3 11.0 112 Grave Springs 8560 4.0 7.4 54 7.7 8.0 96 Hansen Sawmill 8360 3.8 5.8 66 9.4 7.2 131 Middle Powder 7760 6.4 8.9 72 9.5 8.6 110 Powder River Pass 9480 9.8 9.5 103 14.0 10.6 132 Soldier Park 8680 1.9 6.0 32 6.7 7.8 86 ----- ----- Basin Index (%) 76 114 TONGUE RIVER Big Goose 8010 -M 7.0 * 8.2 8.4 98 Bone Springs Div 9340 11.4 13.8 83 10.2 12.9 79 Burgess Junction 7910 6.3 9.2 68 9.6 10.0 96 Dome Lake 8890 7.3 9.7 75 10.9 10.4 105 Little Goose 8560 5.7 8.2 70 10.0 9.8 102 Sucker Creek 8840 7.2 10.4 69 11.6 11.8 98 Tie Creek 7050 .7 4.8 15 7.8 9.0 87 ----- ----- Basin Index (%) 69 94 BELLE FOURCHE Blind Park 6900 3.6 7.1 51 11.2 9.4 119 Cole Canyon 5930 3.5 5.2 67 9.7 7.5 129 North Rapid Creek 6150 4.4 6.5 68 8.5 7.8 109 ----- ----- Basin Index (%) 61 119 CHEYENNE RIVER BASIN Blind Park 6900 3.6 7.1 51 11.2 9.4 119 North Rapid Creek 6150 4.4 6.5 68 8.5 7.8 109 ----- ----- Basin Index (%) 59 115 UPPER N. PLATTE Arapaho Ridge 10960 13.8 18.6 74 15.0 18.8 80 Blackhall Mtn 9830 16.9 24.5 69 20.0 24.2 83 Cinnabar Park 9670 12.7 18.4 69 16.4 20.9 78 Columbine 9170 16.6 20.6 81 18.5 20.9 89 Divide Peak 8700 9.8 17.0 58 13.9 18.2 76 Joe Wright 10140 11.0 18.0 61 17.9 22.3 80 Laprele Creek 8370 4.8 8.4 57 9.3 9.8 95 Med Bow 10500 26.0 -M * 24.9 -M * Never Summer 10300 12.8 17.2 74 9.6 14.5 66 North French Creek 10150 20.9 24.0 87 21.4 22.2 96 Old Battle 9840 20.8 26.0 80 25.8 28.5 91 Rawah 9100 6.4 9.6 67 9.3 13.2 70 Sage Creek Basin 7830 4.8 12.5 38 9.2 11.2 82 Sand Lake 10080 17.3 22.4 77 18.4 20.5 90 South Brush Creek 8480 6.6 10.4 63 8.2 11.6 71 Tower 10610 27.0 37.8 71 28.9 34.8 83 Webber Springs 9250 14.6 19.0 77 18.8 21.5 87 Whiskey Park 8950 20.1 24.2 83 23.3 24.0 97 Willow Creek Pass 9520 7.0 11.0 64 9.2 11.6 79 Zirkel 9320 16.6 25.1 66 23.6 26.6 89 ----- ----- Basin Index (%) 71 84 SWEETWATER Deer Park 9690 14.0 11.7 120 16.2 14.8 109 Larsen Creek 8880 5.6 10.2 55 10.4 11.2 93 South Pass 9040 12.1 12.6 96 13.7 12.6 109 ----- ----- Basin Index (%) 92 104 LOWER N. PLATTE Casper Mtn. 7940 5.3 11.0 48 9.1 11.1 82 Laprele Creek 8370 4.8 8.4 57 9.3 9.8 95 Reno Hill 8410 6.3 11.6 54 10.2 11.9 86 Windy Peak 7890 2.6 6.7 39 7.2 8.1 89 ----- ----- Basin Index (%) 50 88 LARAMIE RIVER Brooklyn Lake 10250 15.3 17.6 87 17.9 18.2 98 Cinnabar Park 9670 12.7 18.4 69 16.4 20.9 78 Crow Creek 8320 .2 6.3 3 6.1 8.6 71 Deadman Hill 10240 10.3 14.4 72 10.3 14.6 71 Rawah 9100 6.4 9.6 67 9.3 13.2 70 Roach 9710 8.3 13.4 62 11.5 15.6 74 Windy Peak 7890 2.6 6.7 39 7.2 8.1 89 ----- ----- Basin Index (%) 65 79 S. PLATTE Crow Creek 8320 .2 6.3 3 6.1 8.6 71 ----- ----- Basin Index (%) 3 71 LITTLE SNAKE RIVER Battle Mountain 7460 3.0 10.7 28 12.1 13.0 93 Divide Peak 8700 9.8 17.0 58 13.9 18.2 76 Elk River 8710 11.3 16.4 69 15.6 16.2 96 Elkhead Divide 8780 8.1 -M * -M -M * Little Snake River 8930 18.2 23.6 77 24.2 27.7 87 Old Battle 9840 20.8 26.0 80 25.8 28.5 91 Sage Creek Basin 7830 4.8 12.5 38 9.2 11.2 82 Sandstone RS 8150 7.9 11.3 70 12.4 15.8 78 Whiskey Park 8950 20.1 24.2 83 23.3 24.0 97 ----- ----- Basin Index (%) 68 88 UPPER GREEN RIVER Big Sandy Opening 9100 9.9 11.4 87 10.1 10.9 93 Blind Bull Sum 8880 21.7 21.2 102 15.5 16.1 96 East Rim Divide 8010 8.0 9.8 82 10.8 10.1 107 Elkhart Park G.S. 9410 10.9 10.8 101 12.7 10.9 117 Gros Ventre Summit 8760 11.7 10.8 108 14.2 10.5 135 Gunsight Pass 9820 13.0 11.7 111 14.8 12.2 121 Indian Creek 9400 19.4 20.4 95 19.2 17.2 112 Kendall R.S. 7790 12.3 10.8 114 16.0 11.8 136 Larsen Creek 8880 5.6 10.2 55 10.4 11.2 93 Loomis Park 8240 12.7 13.6 93 15.4 14.8 104 New Fork Lake 8380 8.5 9.4 90 12.0 9.4 128 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 8.3 11.8 70 13.6 12.4 110 Spring Creek Divide 9020 20.5 21.4 96 23.1 21.0 110 Triple Peak 8520 21.4 21.3 100 25.5 22.7 112 ----- ----- Basin Index (%) 95 112 LOWER GREEN RIVER Blacks Fork Jct 8880 6.6 7.6 87 10.0 10.4 96 Buck Pasture 9630 11.7 -M * 14.2 -M * EF Blacks Fork GS 9360 4.5 10.2 44 9.3 9.6 97 Hams Fork 7860 8.7 10.2 85 11.4 9.4 121 Henrys Fork 10180 -M -M * 10.1 -M * Hewinta 9510 5.6 8.8 64 10.5 11.1 95 Hickerson Park 9120 4.7 6.8 69 7.5 8.7 86 Hole-in-Rock 9170 3.5 6.3 56 8.0 8.4 95 Indian Creek 9400 19.4 20.4 95 19.2 17.2 112 Kelley R.S. 8240 11.3 12.9 88 16.1 14.3 113 Spirit Lk 10240 10.3 10.4 99 14.1 14.3 99 Steel Creek Park 10140 11.4 12.6 90 13.3 13.0 102 ----- ----- Basin Index (%) 81 103 UPPER BEAR RIVER Bear River RS 8510 5.7 8.2 70 10.0 9.9 101 Bug Lake 7980 13.9 16.4 85 18.7 15.4 121 Burts Miller Ranch 7900 2.5 5.2 48 10.1 6.4 158 Chalk Creek #1 9160 14.8 19.8 75 19.1 20.3 94 Giveout 6940 4.6 8.2 56 13.3 10.3 129 Hayden Fork 9170 11.4 13.0 88 17.2 17.4 99 Kelley R.S. 8240 11.3 12.9 88 16.1 14.3 113 Lily Lake 9130 7.8 11.4 68 11.6 13.6 85 Monte Cristo 8930 19.6 23.2 84 23.8 21.9 109 Salt River Summit 7630 10.0 11.6 86 14.9 13.4 111 Spring Creek Divide 9020 20.5 21.4 96 23.1 21.0 110 Trial Lake 9970 18.3 19.3 95 19.1 19.2 99 ----- ----- Basin Index (%) 82 108 ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values 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.