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 MONDAY: OCTOBER 27 , 2025 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 .0 .0 * 4.1 1.8 228 Blind Bull Sum 8880 .8 1.0 80* 2.2 1.8 122 Cottonwood Creek 7710 .6 .6 100* 4.0 2.4 167 East Rim Divide 8010 .0 .0 * 2.3 1.2 192 Grand Targhee 9260 3.0 3.3 91* 6.1 3.9 156 Granite Creek 6770 .2 .0 * 3.0 1.7 176 Grassy Lake 7330 .0 .6 0* 4.0 2.8 143 Gros Ventre Summit 8760 .8 1.2 67* -M 1.6 * Gunsight Pass 9830 1.7 .8 212* 4.0 1.8 222 Lewis Lake Divide 7880 .5 .5 100* 4.4 2.6 169 Loomis Park 8240 .3 .2 150* 2.6 1.6 162 Phillips Bench 8160 .5 .8 62* 3.9 2.4 162 Salt River Summit 7630 .1 .0 * 2.6 1.4 186 Snake River Station 6900 .0 .0 * 3.2 2.1 152 Somsen Ranch 6830 .5 .0 * 4.0 1.5 267 Spring Creek Divide 9020 1.1 .9 122* 3.5 2.0 175 Thumb Divide 7970 .7 .1 700* 3.8 2.0 190 Togwotee Pass 9590 1.8 2.4 75* 5.0 2.6 192 Triple Peak 8520 1.1 .8 138* 3.3 2.0 165 Two Ocean Plateau 9240 3.5 2.9 121* 5.3 2.6 204 Willow Creek 8060 .5 .6 83* 5.3 3.4 156 Younts Peak 8340 1.3 1.0 130* 5.6 1.7 329 ----- ----- Basin Index (%) 107* 181 MADISON HEADWATERS IN WYOMING Black Bear 8160 2.2 1.8 122* 4.8 3.6 133 Canyon 7870 .4 .4 100* 2.8 1.7 165 Madison Plateau 7710 .6 1.0 60* 4.3 2.4 179 West Yellowstone 6680 .1 .0 * 3.1 1.2 258 Whiskey Creek 6790 .6 .2 300* 4.1 1.8 228 ----- ----- Basin Index (%) 115* 179 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 2.1 2.1 100* 3.4 2.1 162 Canyon 7870 .4 .4 100* 2.8 1.7 165 Evening Star 9040 1.7 1.9 89* 4.8 2.6 185 Fisher Creek 9110 2.6 2.4 108* 5.0 2.8 179 Monument Peak 8740 2.4 1.6 150* 4.8 2.4 200 Northeast Entrance 7420 .1 .0 * 3.4 1.4 243 Parker Peak 9420 1.8 2.0 90* 4.0 2.2 182 Sylvan Lake 8440 .6 1.1 55* 4.9 2.4 204 Thumb Divide 7970 .7 .1 700* 3.8 2.0 190 Two Ocean Plateau 9240 3.5 2.9 121* 5.3 2.6 204 White Mill 8730 1.8 1.6 112* 3.8 2.1 181 Wolverine 7650 .0 .0 * 2.6 1.6 162 ----- ----- Basin Index (%) 110* 188 WIND RIVER Burroughs Creek 8760 .1 -M * 4.3 -M * Castle Creek 8410 .3 .0 * 2.0 1.2 167 Cold Springs 9640 .3 .5 60* 2.5 1.6 156 Deer Park 9690 1.5 1.4 107* 2.5 2.1 119 Hobbs Park 10080 .8 1.6 50* 2.3 2.0 115 Kirwin 9580 1.1 1.6 69 4.0 1.8 222 Little Warm 9370 1.3 1.0 130* 3.6 1.6 225 South Pass 9040 1.5 .7 214* 2.4 1.6 150 St. Lawrence Alt 8610 .1 -M * 1.6 -M * Togwotee Pass 9590 1.8 2.4 75* 5.0 2.6 192 Townsend Creek 8720 .3 .4 75* 2.1 1.8 117 ----- ----- Basin Index (%) 93* 162 BIGHORN BASIN Bald Mtn. 9360 2.5 2.4 104 4.4 2.3 191 Bear Trap Meadow 8200 .5 .3 167* 3.9 1.6 244 Bone Springs Div 9340 .9 2.0 45 3.4 2.3 148 Grave Springs 8560 .9 .5 180* 3.9 1.5 260 Kirwin 9580 1.1 1.6 69 4.0 1.8 222 Marquette 8800 .4 .6 67* 2.4 1.9 126 Middle Powder 7760 .8 .4 200* 4.4 1.8 244 Owl Creek 8990 .0 .4 0* 2.3 1.2 192 Powder River Pass 9480 1.6 1.2 133 4.5 2.0 225 Shell Creek 9570 1.5 2.6 58 3.9 2.2 177 Timber Creek 7910 .0 .2 0* 2.2 1.6 138 ----- ----- Basin Index (%) 84* 195 SHOSHONE RIVER Blackwater 9840 3.1 2.3 135* 4.0 2.4 167 Evening Star 9040 1.7 1.9 89* 4.8 2.6 185 Marquette 8800 .4 .6 67* 2.4 1.9 126 Sylvan Lake 8440 .6 1.1 55* 4.9 2.4 204 Sylvan Road 7140 .0 .1 0* 3.5 2.0 175 Younts Peak 8340 1.3 1.0 130* 5.6 1.7 329 ----- ----- Basin Index (%) 101* 194 POWDER RIVER Bear Trap Meadow 8200 .5 .3 167* 3.9 1.6 244 Cloud Peak Reservoir 9830 1.0 1.6 62* 3.5 2.4 146 Grave Springs 8560 .9 .5 180* 3.9 1.5 260 Hansen Sawmill 8360 .0 .4 0* 4.0 1.6 250 Middle Powder 7760 .8 .4 200* 4.4 1.8 244 Powder River Pass 9480 1.6 1.2 133 4.5 2.0 225 Soldier Park 8680 .1 .0 * 2.6 1.6 162 ----- ----- Basin Index (%) 111* 214 TONGUE RIVER Big Goose 8010 .3 .6 50* 2.7 1.8 150 Bone Springs Div 9340 .9 2.0 45 3.4 2.3 148 Burgess Junction 7900 .3 .8 38* 3.2 2.0 160 Dome Lake 8890 .4 1.4 29 3.3 2.1 157 Little Goose 8560 .2 .1 200* 2.9 1.8 161 Sucker Creek 8840 .4 1.4 29 3.2 2.2 145 Tie Creek 7050 .1 .0 * 2.8 2.0 140 ----- ----- Basin Index (%) 41* 151 BELLE FOURCHE Blind Park 6900 .2 .0 * 3.6 1.5 240 Cole Canyon 5930 .0 .0 * 3.8 1.4 271 North Rapid Creek 6150 .2 .0 * 2.7 1.2 225 ----- ----- Basin Index (%) * 246 CHEYENNE RIVER BASIN Blind Park 6900 .2 .0 * 3.6 1.5 240 North Rapid Creek 6150 .2 .0 * 2.7 1.2 225 ----- ----- Basin Index (%) * 233 UPPER N. PLATTE Arapaho Ridge 10960 .1 2.2 5* 1.9 2.6 73 Blackhall Mtn 9830 .2 2.0 10* 3.0 3.6 83 Cinnabar Park 9670 .1 1.0 10* 1.8 2.1 86 Columbine 9170 .4 .2 200* 2.0 2.6 77 Divide Peak 8700 .3 .6 50* 2.5 2.6 96 Joe Wright 10140 .3 1.2 25* 2.2 3.2 69 Laprele Creek 8370 .1 .2 50* 3.1 1.4 221 Med Bow 10500 1.3 -M * 4.0 -M * Never Summer 10300 .9 2.0 45* 1.3 2.4 54 North French Creek 10150 .9 2.0 45* 3.4 2.6 131 Old Battle 9850 .6 1.8 33* 4.8 3.6 133 Rawah 9100 .0 .5 0* 1.6 2.6 62 Sage Creek Basin 7830 .1 .0 * 1.8 1.8 100 Sand Lake 10080 1.1 2.2 50* 3.4 2.6 131 South Brush Creek 8480 .1 .3 33* 1.8 1.6 112 Tower 10610 .1 1.7 6* 2.8 3.7 76 Webber Springs 9250 .2 .7 29* 3.3 2.8 118 Whiskey Park 8950 .1 .6 17* 3.6 2.6 138 Willow Creek Pass 9520 .2 1.1 18* 1.6 1.8 89 Zirkel 9320 .1 .4 25* 2.5 3.1 81 ----- ----- Basin Index (%) 29* 98 SWEETWATER Deer Park 9690 1.5 1.4 107* 2.5 2.1 119 Larsen Creek 8880 1.2 .0 * 2.3 1.8 128 South Pass 9040 1.5 .7 214* 2.4 1.6 150 ----- ----- Basin Index (%) 200* 131 LOWER N. PLATTE Casper Mtn. 7940 .2 .7 29* 2.5 2.0 125 Laprele Creek 8370 .1 .2 50* 3.1 1.4 221 Reno Hill 8410 .1 1.0 10* 2.6 2.0 130 Windy Peak 7900 .0 .2 0* 2.8 1.2 233 ----- ----- Basin Index (%) 19* 167 LARAMIE RIVER Brooklyn Lake 10250 .3 .6 50* 2.2 2.0 110 Cinnabar Park 9670 .1 1.0 10* 1.8 2.1 86 Crow Creek 8320 .1 .1 100* 1.3 1.7 76 Deadman Hill 10240 .6 2.0 30 1.2 2.4 50 Rawah 9100 .0 .5 0* 1.6 2.6 62 Roach 9710 .1 .9 11* 1.4 2.1 67 Windy Peak 7900 .0 .2 0* 2.8 1.2 233 ----- ----- Basin Index (%) 23* 87 S. PLATTE Crow Creek 8320 .1 .1 100* 1.3 1.7 76 ----- ----- Basin Index (%) 100* 76 LITTLE SNAKE RIVER Battle Mountain 7460 .3 .0 * 2.7 1.8 150 Divide Peak 8700 .3 .6 50* 2.5 2.6 96 Elk River 8710 .2 .0 * 3.6 2.1 171 Elkhead Divide 8780 .0 -M * 3.7 -M * Little Snake River 8930 .0 .4 0* 3.6 4.0 90 Old Battle 9850 .6 1.8 33* 4.8 3.6 133 Sage Creek Basin 7830 .1 .0 * 1.8 1.8 100 Sandstone RS 8150 .0 .0 * 2.6 2.1 124 Whiskey Park 8950 .1 .6 17* 3.6 2.6 138 ----- ----- Basin Index (%) 47* 122 UPPER GREEN RIVER Big Sandy Opening 9100 1.5 1.0 150* 1.9 1.4 136 Blind Bull Sum 8880 .8 1.0 80* 2.2 1.8 122 East Rim Divide 8010 .0 .0 * 2.3 1.2 192 Elkhart Park G.S. 9410 .3 .8 38* 2.7 1.6 169 Gros Ventre Summit 8760 .8 1.2 67* -M 1.6 * Gunsight Pass 9830 1.7 .8 212* 4.0 1.8 222 Indian Creek 9400 1.1 1.4 79* 3.9 1.9 205 Kendall R.S. 7790 .4 .0 * 3.2 1.4 229 Larsen Creek 8880 1.2 .0 * 2.3 1.8 128 Loomis Park 8240 .3 .2 150* 2.6 1.6 162 New Fork Lake 8380 .1 .1 100* -M 1.0 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .4 .0 * 1.9 1.2 158 Spring Creek Divide 9020 1.1 .9 122* 3.5 2.0 175 Triple Peak 8520 1.1 .8 138* 3.3 2.0 165 ----- ----- Basin Index (%) 132* 172 LOWER GREEN RIVER Blacks Fork Jct 8880 .4 .0 * 2.1 1.4 150 Buck Pasture 9620 .1 -M * 3.1 -M * EF Blacks Fork GS 9360 .2 .0 * 2.5 1.6 156 Hams Fork 7870 .3 .0 * 2.0 1.4 143 Henrys Fork 10180 -M -M * 3.2 -M * Hewinta 9510 .2 .0 * 2.6 1.8 144 Hickerson Park 9130 1.2 .0 * 2.8 1.2 233 Hole-in-Rock 9170 .4 .0 * 3.4 1.5 227 Indian Creek 9400 1.1 1.4 79* 3.9 1.9 205 Kelley R.S. 8240 .6 .4 150* 3.4 1.6 212 Spirit Lk 10240 .8 .4 200* 5.0 2.0 250 Steel Creek Park 10140 1.6 .8 200* 3.1 1.8 172 ----- ----- Basin Index (%) 227* 190 UPPER BEAR RIVER Bear River RS 8510 .0 -M * 1.9 -M * Bug Lake 7980 .3 .0 * 3.6 1.6 225 Burts Miller Ranch 7900 .1 .0 * 2.3 .9 256 Chalk Creek #1 9160 .5 .8 62* 3.9 2.2 177 Giveout 6940 .0 .0 * 2.5 1.5 167 Hayden Fork 9160 .0 .0 * 2.7 2.0 135 Kelley R.S. 8240 .6 .4 150* 3.4 1.6 212 Lily Lake 9130 .1 .1 100* 2.4 1.6 150 Monte Cristo 8930 .7 .0 * 4.5 2.2 205 Salt River Summit 7630 .1 .0 * 2.6 1.4 186 Spring Creek Divide 9020 1.1 .9 122* 3.5 2.0 175 Trial Lake 9970 1.2 .8 150* 2.6 2.1 124 ----- ----- Basin Index (%) 157* 178 ----------------------------------------------------------------------------- -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.