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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 THURSDAY: MARCH 19 , 2026 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 15.1 16.1 94 22.3 18.3 122 Blind Bull Sum 8880 22.3 22.1 101 15.7 16.5 95 Cottonwood Creek 7710 16.1 19.8 81 23.8 22.6 105 East Rim Divide 8010 7.7 10.1 76 11.0 10.2 108 Grand Targhee 9260 -M 37.0 * -M 27.6 * Granite Creek 6770 12.3 15.6 79 19.9 16.9 118 Grassy Lake 7330 18.0 29.5 61 28.7 31.8 90 Gros Ventre Summit 8760 11.9 11.3 105 14.4 11.0 131 Gunsight Pass 9820 12.9 12.1 107 15.1 12.5 121 Lewis Lake Divide 7880 29.2 28.2 104 36.0 29.5 122 Loomis Park 8240 11.8 14.1 84 15.4 15.5 99 Phillips Bench 8170 20.1 23.4 86 25.9 24.0 108 Salt River Summit 7630 9.6 12.5 77 15.2 13.7 111 Snake River Station 6900 10.7 16.2 66 20.2 19.6 103 Somsen Ranch 6830 4.6 11.6 40 15.9 14.6 109 Spring Creek Divide 9020 20.8 22.4 93 23.3 21.7 107 Thumb Divide 7970 14.9 14.4 103 19.6 15.4 127 Togwotee Pass 9590 22.1 21.2 104 26.9 22.6 119 Triple Peak 8520 22.1 21.8 101 25.6 23.2 110 Two Ocean Plateau 9240 31.8 26.0 122 30.3 23.5 129 Willow Creek 8060 23.4 26.8 87 29.2 29.4 99 Younts Peak 8340 15.7 13.4 117 21.2 13.0 163 ----- ----- Basin Index (%) 91 112 MADISON HEADWATERS IN WYOMING Black Bear 8160 26.5 35.6 74 32.0 33.2 96 Canyon 7870 10.8 12.5 86 14.8 13.7 108 Madison Plateau 7710 17.2 20.3 85 24.3 22.0 110 West Yellowstone 6680 8.0 10.3 78 14.0 13.0 108 Whiskey Creek 6790 11.2 14.6 77 20.3 17.6 115 ----- ----- Basin Index (%) 79 106 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 23.7 19.8 120 25.3 18.2 139 Canyon 7870 10.8 12.5 86 14.8 13.7 108 Evening Star 9030 27.8 23.6 118 33.3 25.6 130 Fisher Creek 9110 34.2 28.7 119 35.6 28.8 124 Monument Peak 8740 20.2 18.6 109 24.7 19.0 130 Northeast Entrance 7420 8.1 9.8 83 15.6 11.9 131 Parker Peak 9420 24.0 19.0 126 25.3 18.2 139 Sylvan Lake 8440 16.6 18.2 91 23.8 20.4 117 Thumb Divide 7970 14.9 14.4 103 19.6 15.4 127 Two Ocean Plateau 9240 31.8 26.0 122 30.3 23.5 129 White Mill 8730 25.6 22.0 116 25.6 20.8 123 Wolverine 7660 8.4 10.6 79 15.8 11.0 144 ----- ----- Basin Index (%) 110 128 WIND RIVER Burroughs Creek 8760 10.5 -M * 17.9 -M * Castle Creek 8410 5.2 6.9 75 7.8 7.8 100 Cold Springs 9640 6.4 6.4 100 12.1 7.8 155 Deer Park 9690 13.7 12.0 114 16.4 15.4 106 Hobbs Park 10080 12.1 12.0 101 14.1 10.9 129 Kirwin 9580 13.1 9.4 139 18.3 10.3 178 Little Warm 9370 9.6 8.9 108 14.0 10.8 130 South Pass 9040 11.9 13.0 92 13.8 13.2 105 St. Lawrence Alt 8610 -M -M * -M -M * Togwotee Pass 9590 22.1 21.2 104 26.9 22.6 119 Townsend Creek 8720 5.9 8.0 74 10.1 8.9 113 ----- ----- Basin Index (%) 102 124 BIGHORN BASIN Bald Mtn. 9360 15.2 16.5 92 15.1 14.0 108 Bear Trap Meadow 8200 4.5 5.9 76 9.0 7.2 125 Bone Springs Div 9340 12.5 14.2 88 10.6 13.2 80 Grave Springs 8560 4.2 7.7 55 8.0 8.4 95 Kirwin 9580 13.1 9.4 139 18.3 10.3 178 Marquette 8800 3.0 6.2 48 6.8 7.7 88 Middle Powder 7760 6.3 9.0 70 9.8 8.8 111 Owl Creek 8990 2.3 4.8 48 5.6 5.2 108 Powder River Pass 9480 9.6 9.8 98 14.0 11.0 127 Shell Creek 9570 12.0 13.1 92 13.2 11.8 112 Timber Creek 7910 .0 4.1 0 3.5 6.6 53 ----- ----- Basin Index (%) 82 109 SHOSHONE RIVER Blackwater 9830 21.6 20.4 106 25.6 19.4 132 Evening Star 9030 27.8 23.6 118 33.3 25.6 130 Marquette 8800 3.0 6.2 48 6.8 7.7 88 Sylvan Lake 8440 16.6 18.2 91 23.8 20.4 117 Sylvan Road 7140 7.6 11.0 69 17.8 14.9 119 Younts Peak 8340 15.7 13.4 117 21.2 13.0 163 ----- ----- Basin Index (%) 99 127 POWDER RIVER Bear Trap Meadow 8200 4.5 5.9 76 9.0 7.2 125 Cloud Peak Reservoir 9830 11.6 13.0 89 12.6 11.4 111 Grave Springs 8560 4.2 7.7 55 8.0 8.4 95 Hansen Sawmill 8360 3.8 5.8 66 9.4 7.4 127 Middle Powder 7760 6.3 9.0 70 9.8 8.8 111 Powder River Pass 9480 9.6 9.8 98 14.0 11.0 127 Soldier Park 8680 1.8 5.9 31 7.1 8.0 89 ----- ----- Basin Index (%) 73 112 TONGUE RIVER Big Goose 8010 -M 7.3 * 8.0 8.6 93 Bone Springs Div 9340 12.5 14.2 88 10.6 13.2 80 Burgess Junction 7910 6.3 9.4 67 9.8 10.2 96 Dome Lake 8890 7.4 10.0 74 11.0 10.8 102 Little Goose 8560 5.5 8.3 66 10.5 9.9 106 Sucker Creek 8840 7.3 10.8 68 11.8 12.0 98 Tie Creek 7050 .0 4.7 0 8.0 9.2 87 ----- ----- Basin Index (%) 68 94 BELLE FOURCHE Blind Park 6900 2.4 7.1 34 11.3 9.8 115 Cole Canyon 5930 2.8 5.0 56 9.9 7.6 130 North Rapid Creek 6150 3.8 6.4 59 8.6 7.8 110 ----- ----- Basin Index (%) 49 118 CHEYENNE RIVER BASIN Blind Park 6900 2.4 7.1 34 11.3 9.8 115 North Rapid Creek 6150 3.8 6.4 59 8.6 7.8 110 ----- ----- Basin Index (%) 46 113 UPPER N. PLATTE Arapaho Ridge 10960 14.4 19.2 75 15.0 19.1 79 Blackhall Mtn 9830 16.1 26.7 60 20.2 26.0 78 Cinnabar Park 9670 12.1 18.1 67 16.6 21.0 79 Columbine 9170 15.5 21.2 73 18.6 21.6 86 Divide Peak 8700 9.6 17.4 55 14.0 18.9 74 Joe Wright 10140 11.0 18.3 60 18.1 23.0 79 Laprele Creek 8370 4.8 8.8 55 9.4 10.0 94 Med Bow 10500 26.1 -M * 25.2 -M * Never Summer 10300 13.4 17.6 76 9.8 14.5 68 North French Creek 10150 20.9 24.3 86 21.9 23.1 95 Old Battle 9840 21.0 26.1 80 26.0 29.3 89 Rawah 9100 6.0 9.8 61 9.3 13.5 69 Sage Creek Basin 7830 3.5 11.8 30 9.2 11.6 79 Sand Lake 10080 17.7 23.1 77 19.2 21.6 89 South Brush Creek 8480 6.0 11.0 55 8.2 11.8 69 Tower 10610 25.4 38.8 65 29.1 35.8 81 Webber Springs 9250 14.2 19.7 72 19.0 21.9 87 Whiskey Park 8950 19.9 24.4 82 23.4 24.4 96 Willow Creek Pass 9520 7.1 11.4 62 9.4 12.0 78 Zirkel 9320 15.6 26.2 60 23.9 27.6 87 ----- ----- Basin Index (%) 68 83 SWEETWATER Deer Park 9690 13.7 12.0 114 16.4 15.4 106 Larsen Creek 8880 5.6 10.4 54 10.5 11.4 92 South Pass 9040 11.9 13.0 92 13.8 13.2 105 ----- ----- Basin Index (%) 88 102 LOWER N. PLATTE Casper Mtn. 7940 5.0 11.8 42 9.3 11.4 82 Laprele Creek 8370 4.8 8.8 55 9.4 10.0 94 Reno Hill 8410 7.0 11.7 60 10.9 12.0 91 Windy Peak 7890 2.6 6.8 38 7.4 8.4 88 ----- ----- Basin Index (%) 50 89 LARAMIE RIVER Brooklyn Lake 10250 15.0 18.4 82 18.2 18.7 97 Cinnabar Park 9670 12.1 18.1 67 16.6 21.0 79 Crow Creek 8320 .1 6.5 2 6.2 9.3 67 Deadman Hill 10240 10.5 14.8 71 10.5 15.2 69 Rawah 9100 6.0 9.8 61 9.3 13.5 69 Roach 9710 8.2 13.7 60 11.7 16.1 73 Windy Peak 7890 2.6 6.8 38 7.4 8.4 88 ----- ----- Basin Index (%) 62 78 S. PLATTE Crow Creek 8320 .1 6.5 2 6.2 9.3 67 ----- ----- Basin Index (%) 2 67 LITTLE SNAKE RIVER Battle Mountain 7460 -M 11.0 * 12.1 13.2 92 Divide Peak 8700 9.6 17.4 55 14.0 18.9 74 Elk River 8710 11.2 16.6 67 15.7 17.0 92 Elkhead Divide 8780 10.5 -M * -M -M * Little Snake River 8930 17.5 24.0 73 24.3 28.4 86 Old Battle 9840 21.0 26.1 80 26.0 29.3 89 Sage Creek Basin 7830 3.5 11.8 30 9.2 11.6 79 Sandstone RS 8150 7.0 11.5 61 12.4 16.1 77 Whiskey Park 8950 19.9 24.4 82 23.4 24.4 96 ----- ----- Basin Index (%) 68 86 UPPER GREEN RIVER Big Sandy Opening 9100 10.0 11.8 85 10.2 11.2 91 Blind Bull Sum 8880 22.3 22.1 101 15.7 16.5 95 East Rim Divide 8010 7.7 10.1 76 11.0 10.2 108 Elkhart Park G.S. 9410 10.5 11.1 95 12.8 11.2 114 Gros Ventre Summit 8760 11.9 11.3 105 14.4 11.0 131 Gunsight Pass 9820 12.9 12.1 107 15.1 12.5 121 Indian Creek 9400 19.5 20.7 94 19.4 17.4 111 Kendall R.S. 7790 12.0 11.2 107 16.1 12.2 132 Larsen Creek 8880 5.6 10.4 54 10.5 11.4 92 Loomis Park 8240 11.8 14.1 84 15.4 15.5 99 New Fork Lake 8380 8.4 9.6 88 12.2 9.5 128 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 8.3 12.0 69 13.8 12.7 109 Spring Creek Divide 9020 20.8 22.4 93 23.3 21.7 107 Triple Peak 8520 22.1 21.8 101 25.6 23.2 110 ----- ----- Basin Index (%) 92 110 LOWER GREEN RIVER Blacks Fork Jct 8880 6.2 7.8 79 10.1 10.5 96 Buck Pasture 9630 11.4 -M * 14.2 -M * EF Blacks Fork GS 9360 4.6 10.6 43 9.3 9.8 95 Hams Fork 7860 7.3 10.2 72 11.5 9.5 121 Henrys Fork 10180 -M -M * 10.1 -M * Hewinta 9510 5.3 8.9 60 10.6 11.8 90 Hickerson Park 9120 4.5 7.0 64 7.5 8.8 85 Hole-in-Rock 9170 3.5 6.6 53 8.1 8.6 94 Indian Creek 9400 19.5 20.7 94 19.4 17.4 111 Kelley R.S. 8240 11.2 13.2 85 16.1 14.5 111 Spirit Lk 10240 10.0 10.8 93 14.2 14.4 99 Steel Creek Park 10140 11.1 12.8 87 13.3 13.8 96 ----- ----- Basin Index (%) 77 101 UPPER BEAR RIVER Bear River RS 8510 5.2 8.4 62 10.0 10.1 99 Bug Lake 7980 13.1 16.6 79 18.7 15.6 120 Burts Miller Ranch 7900 1.0 4.9 20 10.3 6.6 156 Chalk Creek #1 9160 14.6 20.0 73 19.2 20.6 93 Giveout 6940 3.0 7.8 38 13.5 10.4 130 Hayden Fork 9170 10.5 13.3 79 17.3 17.6 98 Kelley R.S. 8240 11.2 13.2 85 16.1 14.5 111 Lily Lake 9130 6.9 11.2 62 11.7 13.6 86 Monte Cristo 8930 18.6 24.0 78 23.8 21.9 109 Salt River Summit 7630 9.6 12.5 77 15.2 13.7 111 Spring Creek Divide 9020 20.8 22.4 93 23.3 21.7 107 Trial Lake 9970 17.9 19.6 91 19.0 19.8 96 ----- ----- Basin Index (%) 76 106 ---------------------------------------------------------------------------- -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.