Supercell over Laramie
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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: FEBRUARY 13 , 2025 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 12.8 12.8 100 13.3 14.9 89 Blind Bull Sum 8880 17.3 16.2 107 13.0 13.1 99 Cottonwood Creek 7710 16.2 14.8 109 18.3 17.0 108 East Rim Divide 8010 7.3 7.6 96 7.5 7.8 96 Grand Targhee 9260 24.5 30.4 81 19.4 23.2 84 Granite Creek 6770 11.8 11.8 100 12.3 13.8 89 Grassy Lake 7330 20.7 22.0 94 23.9 25.1 95 Gros Ventre Summit 8760 8.2 8.4 98 8.1 8.2 99 Gunsight Pass 9830 10.4 8.9 117 9.4 9.8 96 Lewis Lake Divide 7880 19.8 20.6 96 21.5 23.6 91 Loomis Park 8240 11.1 10.8 103 11.5 11.4 101 Phillips Bench 8160 16.2 17.4 93 16.6 19.0 87 Salt River Summit 7630 9.7 8.8 110 8.3 10.8 77 Snake River Station 6900 13.3 12.8 104 14.0 16.1 87 Somsen Ranch 6830 9.1 9.4 97 10.1 11.9 85 Spring Creek Divide 9020 16.2 16.2 100 17.1 16.3 105 Thumb Divide 7970 9.9 10.7 93 9.4 12.2 77 Togwotee Pass 9590 15.2 15.4 99 16.5 16.8 98 Triple Peak 8520 18.4 15.6 118 22.2 16.8 132 Two Ocean Plateau 9240 18.5 20.8 89 14.9 18.1 82 Willow Creek 8060 21.5 19.5 110 22.9 22.7 101 Younts Peak 8340 9.9 9.8 101 9.2 10.3 89 ----- ----- Basin Index (%) 99 94 MADISON HEADWATERS IN WYOMING Black Bear 8160 22.2 25.1 88 22.3 25.0 89 Canyon 7870 8.4 -M * 8.9 -M * Madison Plateau 7710 13.6 14.9 91 15.8 16.0 99 West Yellowstone 6680 7.4 7.8 95 8.8 10.0 88 Whiskey Creek 6790 10.1 10.1 100 13.6 12.8 106 ----- ----- Basin Index (%) 92 95 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 13.7 15.8 87 13.0 14.7 88 Canyon 7870 8.4 -M * 8.9 -M * Evening Star 9040 15.6 18.9 83 16.9 20.4 83 Fisher Creek 9110 19.4 23.3 83 20.5 22.9 90 Monument Peak 8740 11.7 14.4 81 13.8 15.3 90 Northeast Entrance 7420 7.2 7.1 101 8.2 9.4 87 Parker Peak 9420 14.8 14.9 99 14.8 14.2 104 Sylvan Lake 8440 12.2 13.5 90 14.5 16.4 88 Thumb Divide 7970 9.9 10.7 93 9.4 12.2 77 Two Ocean Plateau 9240 18.5 20.8 89 14.9 18.1 82 White Mill 8730 15.1 17.2 88 14.0 16.0 88 Wolverine 7650 8.6 8.8 98 10.0 8.8 114 ----- ----- Basin Index (%) 89 89 WIND RIVER Burroughs Creek 8760 7.7 -M * 10.3 -M * Castle Creek 8410 4.6 5.0 92 4.9 6.3 78 Cold Springs 9640 5.4 5.4 100 5.9 6.5 91 Deer Park 9690 12.3 9.1 135 13.2 11.0 120 Hobbs Park 10080 9.9 8.8 112 9.7 7.8 124 Kirwin 9580 6.8 7.4 92 8.3 8.2 101 Little Warm 9370 7.3 6.8 107 8.6 8.1 106 South Pass 9040 10.3 9.0 114 11.1 10.0 111 St. Lawrence Alt 8610 3.0 -M * 5.5 -M * Togwotee Pass 9590 15.2 15.4 99 16.5 16.8 98 Townsend Creek 8720 6.6 5.8 114 8.4 7.2 117 ----- ----- Basin Index (%) 108 106 BIGHORN BASIN Bald Mtn. 9360 15.0 12.8 117 12.1 10.8 112 Bear Trap Meadow 8200 4.8 4.4 109 4.1 5.5 75 Bone Springs Div 9340 9.9 11.0 90 7.7 10.2 75 Grave Springs 8560 5.5 5.2 106 6.5 6.3 103 Kirwin 9580 6.8 7.4 92 8.3 8.2 101 Marquette 8800 5.7 4.6 124 6.7 6.3 106 Middle Powder 7760 6.5 6.4 102 5.5 6.2 89 Owl Creek 8990 3.0 3.8 79 3.6 4.2 86 Powder River Pass 9480 5.3 7.4 72 6.9 8.7 79 Shell Creek 9570 8.6 10.0 86 7.6 9.2 83 Timber Creek 7910 3.2 3.2 100 3.4 5.1 67 ----- ----- Basin Index (%) 98 90 SHOSHONE RIVER Blackwater 9840 15.0 15.9 94 14.0 15.4 91 Evening Star 9040 15.6 18.9 83 16.9 20.4 83 Marquette 8800 5.7 4.6 124 6.7 6.3 106 Sylvan Lake 8440 12.2 13.5 90 14.5 16.4 88 Sylvan Road 7140 7.9 8.6 92 9.0 12.6 71 Younts Peak 8340 9.9 9.8 101 9.2 10.3 89 ----- ----- Basin Index (%) 93 86 POWDER RIVER Bear Trap Meadow 8200 4.8 4.4 109 4.1 5.5 75 Cloud Peak Reservoir 9830 7.0 9.4 74 7.8 8.8 89 Grave Springs 8560 5.5 5.2 106 6.5 6.3 103 Hansen Sawmill 8360 2.8 4.6 61 4.2 5.6 75 Middle Powder 7760 6.5 6.4 102 5.5 6.2 89 Powder River Pass 9480 5.3 7.4 72 6.9 8.7 79 Soldier Park 8680 1.5 4.4 34 4.0 6.3 63 ----- ----- Basin Index (%) 80 82 TONGUE RIVER Big Goose 8010 4.2 5.4 78 6.0 6.9 87 Bone Springs Div 9340 9.9 11.0 90 7.7 10.2 75 Burgess Junction 7900 7.6 7.1 107 8.7 8.0 109 Dome Lake 8890 5.8 7.6 76 5.8 8.3 70 Little Goose 8560 5.5 6.6 83 6.6 8.0 82 Sucker Creek 8840 8.2 8.1 101 9.9 9.1 109 Tie Creek 7050 5.1 3.6 142 7.2 7.5 96 ----- ----- Basin Index (%) 94 89 BELLE FOURCHE Blind Park 6900 4.8 5.4 89 6.6 7.2 92 Cole Canyon 5930 4.3 4.0 108 5.7 5.6 102 North Rapid Creek 6150 3.4 5.2 65 5.2 5.8 90 ----- ----- Basin Index (%) 86 94 CHEYENNE RIVER BASIN Blind Park 6900 4.8 5.4 89 6.6 7.2 92 North Rapid Creek 6150 3.4 5.2 65 5.2 5.8 90 ----- ----- Basin Index (%) 77 91 UPPER N. PLATTE Arapaho Ridge 10960 13.4 15.5 86 13.5 15.6 87 Blackhall Mtn 9830 17.6 19.8 89 19.0 20.1 95 Cinnabar Park 9670 11.8 14.9 79 14.0 16.7 84 Columbine 9170 16.5 15.8 104 17.5 16.7 105 Divide Peak 8700 11.0 13.6 81 13.4 14.9 90 Joe Wright 10140 14.7 13.6 108 19.4 17.6 110 Laprele Creek 8370 5.7 6.1 93 6.3 7.5 84 Med Bow 10500 24.1 -M * 21.7 -M * Never Summer 10300 12.2 13.4 91 10.2 11.4 89 North French Creek 10150 19.6 18.5 106 18.9 18.1 104 Old Battle 9850 17.1 21.4 80 17.2 23.9 72 Rawah 9100 7.9 8.0 99 10.5 11.2 94 Sage Creek Basin 7830 7.9 9.9 80 8.5 9.5 89 Sand Lake 10080 17.1 17.8 96 16.7 16.4 102 South Brush Creek 8480 7.5 8.0 94 7.9 9.2 86 Tower 10610 27.4 30.0 91 27.8 28.0 99 Webber Springs 9250 12.0 14.6 82 13.7 17.8 77 Whiskey Park 8950 16.6 18.3 91 18.8 19.6 96 Willow Creek Pass 9520 8.4 9.2 91 8.4 9.2 91 Zirkel 9320 15.1 19.8 76 19.6 22.0 89 ----- ----- Basin Index (%) 90 92 SWEETWATER Deer Park 9690 12.3 9.1 135 13.2 11.0 120 Larsen Creek 8880 4.8 7.2 67 8.3 9.2 90 South Pass 9040 10.3 9.0 114 11.1 10.0 111 ----- ----- Basin Index (%) 108 108 LOWER N. PLATTE Casper Mtn. 7940 5.1 8.2 62 6.3 9.0 70 Laprele Creek 8370 5.7 6.1 93 6.3 7.5 84 Reno Hill 8410 6.9 8.7 79 9.0 9.2 98 Windy Peak 7900 3.7 5.0 74 4.3 6.7 64 ----- ----- Basin Index (%) 76 80 LARAMIE RIVER Brooklyn Lake 10250 14.6 14.6 100 14.9 14.4 103 Cinnabar Park 9670 11.8 14.9 79 14.0 16.7 84 Crow Creek 8320 2.5 5.6 45 5.0 7.2 69 Deadman Hill 10240 11.4 11.6 98 12.1 11.8 103 Rawah 9100 7.9 8.0 99 10.5 11.2 94 Roach 9710 8.8 10.9 81 11.0 12.8 86 Windy Peak 7900 3.7 5.0 74 4.3 6.7 64 ----- ----- Basin Index (%) 86 89 S. PLATTE Crow Creek 8320 2.5 5.6 45 5.0 7.2 69 ----- ----- Basin Index (%) 45 69 LITTLE SNAKE RIVER Battle Mountain 7460 7.4 8.2 90 10.9 10.9 100 Divide Peak 8700 11.0 13.6 81 13.4 14.9 90 Elk River 8710 10.2 12.8 80 13.0 13.4 97 Elkhead Divide 8780 10.3 -M * 11.9 -M * Little Snake River 8930 14.9 17.5 85 20.2 23.8 85 Old Battle 9850 17.1 21.4 80 17.2 23.9 72 Sage Creek Basin 7830 7.9 9.9 80 8.5 9.5 89 Sandstone RS 8150 9.4 9.2 102 9.7 12.6 77 Whiskey Park 8950 16.6 18.3 91 18.8 19.6 96 ----- ----- Basin Index (%) 85 87 UPPER GREEN RIVER Big Sandy Opening 9100 6.6 8.9 74 6.9 8.5 81 Blind Bull Sum 8880 17.3 16.2 107 13.0 13.1 99 East Rim Divide 8010 7.3 7.6 96 7.5 7.8 96 Elkhart Park G.S. 9410 8.5 8.4 101 8.7 8.9 98 Gros Ventre Summit 8760 8.2 8.4 98 8.1 8.2 99 Gunsight Pass 9830 10.4 8.9 117 9.4 9.8 96 Indian Creek 9400 16.1 15.7 103 14.0 14.1 99 Kendall R.S. 7790 10.0 8.2 122 10.0 9.4 106 Larsen Creek 8880 4.8 7.2 67 8.3 9.2 90 Loomis Park 8240 11.1 10.8 103 11.5 11.4 101 New Fork Lake 8380 7.3 7.4 99 -M 7.4 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 8.8 8.9 99 10.5 9.4 112 Spring Creek Divide 9020 16.2 16.2 100 17.1 16.3 105 Triple Peak 8520 18.4 15.6 118 22.2 16.8 132 ----- ----- Basin Index (%) 102 103 LOWER GREEN RIVER Blacks Fork Jct 8880 7.7 5.6 138 9.3 8.8 106 Buck Pasture 9620 8.6 -M * 12.3 -M * EF Blacks Fork GS 9360 6.5 7.2 90 8.4 7.2 117 Hams Fork 7870 7.5 8.0 94 7.8 7.7 101 Henrys Fork 10180 -M -M * 9.5 -M * Hewinta 9510 6.9 6.2 111 10.3 9.4 110 Hickerson Park 9130 4.7 4.8 98 7.2 6.9 104 Hole-in-Rock 9170 3.6 4.8 75 6.8 6.8 100 Indian Creek 9400 16.1 15.7 103 14.0 14.1 99 Kelley R.S. 8240 9.9 10.0 99 10.7 11.6 92 Spirit Lk 10240 7.3 7.6 96 8.8 10.9 81 Steel Creek Park 10140 10.7 10.0 107 12.1 10.9 111 ----- ----- Basin Index (%) 101 101 UPPER BEAR RIVER Bear River RS 8510 6.1 6.4 95 9.4 8.2 115 Bug Lake 7980 11.8 13.0 91 11.5 12.8 90 Burts Miller Ranch 7900 3.8 4.8 79 8.4 5.4 156 Chalk Creek #1 9160 11.6 14.8 78 14.7 15.8 93 Giveout 6940 5.3 6.7 79 7.3 9.1 80 Hayden Fork 9160 8.6 9.7 89 14.4 14.0 103 Kelley R.S. 8240 9.9 10.0 99 10.7 11.6 92 Lily Lake 9130 8.1 8.8 92 10.4 10.8 96 Monte Cristo 8930 14.8 17.5 85 14.9 17.8 84 Salt River Summit 7630 9.7 8.8 110 8.3 10.8 77 Spring Creek Divide 9020 16.2 16.2 100 17.1 16.3 105 Trial Lake 9970 14.1 14.8 95 15.4 15.8 97 ----- ----- Basin Index (%) 91 96 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Median (or Average) 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 (or Average) represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. The TOTAL PRECIPITATION Percent of Median (or Average) represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. 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 or average for the day is less than 10% of the maximum median or average value for the year. * Basin - More than half of the stations for a basin with medians (or averages) report missing or invalid data The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100. ---------------------------------------------------------------------------- -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.