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 FRIDAY: OCTOBER 24 , 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 * 3.7 1.7 218 Blind Bull Sum 8880 .2 .7 29* 1.8 1.4 129 Cottonwood Creek 7710 .0 .4 0* 3.3 2.0 165 East Rim Divide 8010 .0 .0 * 1.9 1.0 190 Grand Targhee 9260 2.3 2.5 92* 5.5 3.4 162 Granite Creek 6770 .0 .0 * 2.6 1.2 217 Grassy Lake 7330 .0 .4 0* 3.4 2.4 142 Gros Ventre Summit 8760 .3 .9 33* -M 1.3 * Gunsight Pass 9830 1.2 .7 171* 3.5 1.6 219 Lewis Lake Divide 7880 .0 .4 0* 3.6 2.2 164 Loomis Park 8240 .0 .2 0* 2.1 1.4 150 Phillips Bench 8160 .1 .3 33* 3.3 2.0 165 Salt River Summit 7630 .0 .0 * 2.0 1.2 167 Snake River Station 6900 .0 .0 * 2.9 1.7 171 Somsen Ranch 6830 .0 .0 * 3.4 1.4 243 Spring Creek Divide 9020 .3 .6 50* 2.6 1.5 173 Thumb Divide 7970 .1 .0 * 3.2 1.6 200 Togwotee Pass 9590 1.2 1.8 67* 4.4 2.2 200 Triple Peak 8520 .4 .6 67* 2.5 1.7 147 Two Ocean Plateau 9240 2.6 2.7 96* 4.6 2.2 209 Willow Creek 8060 .0 .4 0* 4.4 2.6 169 Younts Peak 8340 .7 .8 88* 5.1 1.6 319 ----- ----- Basin Index (%) 70* 184 MADISON HEADWATERS IN WYOMING Black Bear 8160 1.4 1.9 74* 4.3 3.1 139 Canyon 7870 .2 .4 50* 2.6 1.6 162 Madison Plateau 7710 .1 .8 12* 3.5 2.0 175 West Yellowstone 6680 .0 .0 * 2.6 1.1 236 Whiskey Creek 6790 .2 .0 * 3.3 1.5 220 ----- ----- Basin Index (%) 61* 175 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 1.8 1.8 100* 3.1 1.6 194 Canyon 7870 .2 .4 50* 2.6 1.6 162 Evening Star 9040 1.4 1.6 88* 4.5 2.4 188 Fisher Creek 9110 2.0 2.1 95* 4.7 2.6 181 Monument Peak 8740 2.0 1.4 143* 4.4 2.0 220 Northeast Entrance 7420 .0 .0 * 3.2 1.2 267 Parker Peak 9420 1.6 1.8 89* 3.6 2.0 180 Sylvan Lake 8440 .3 1.1 27* 4.3 2.2 195 Thumb Divide 7970 .1 .0 * 3.2 1.6 200 Two Ocean Plateau 9240 2.6 2.7 96* 4.6 2.2 209 White Mill 8730 1.6 1.4 114* 3.6 1.8 200 Wolverine 7650 .0 .0 * 2.4 1.6 150 ----- ----- Basin Index (%) 95* 194 WIND RIVER Burroughs Creek 8760 .0 -M * 3.9 -M * Castle Creek 8410 .2 .0 * 1.9 1.1 173 Cold Springs 9640 .0 .4 0* 2.2 1.3 169 Deer Park 9690 .6 1.2 50* 1.4 1.8 78 Hobbs Park 10080 .1 1.3 8* 1.8 1.6 112 Kirwin 9580 1.0 1.4 71 3.8 1.4 271 Little Warm 9370 .9 .8 112* 3.1 1.4 221 South Pass 9040 .5 .6 83* 1.3 1.5 87 St. Lawrence Alt 8610 .0 -M * 1.3 -M * Togwotee Pass 9590 1.2 1.8 67* 4.4 2.2 200 Townsend Creek 8720 .1 .3 33* 1.7 1.6 106 ----- ----- Basin Index (%) 59* 155 BIGHORN BASIN Bald Mtn. 9360 2.6 2.4 108 4.4 2.2 200 Bear Trap Meadow 8200 .9 .3 300* 3.8 1.4 271 Bone Springs Div 9340 1.0 1.8 56* 3.4 2.2 155 Grave Springs 8560 1.0 .4 250* 3.7 1.2 308 Kirwin 9580 1.0 1.4 71 3.8 1.4 271 Marquette 8800 .4 .6 67* 2.2 1.6 138 Middle Powder 7760 1.5 .3 500* 4.3 1.6 269 Owl Creek 8990 .0 .4 0* 2.3 1.1 209 Powder River Pass 9480 1.5 1.1 136 4.4 1.8 244 Shell Creek 9570 1.4 2.4 58 3.8 2.1 181 Timber Creek 7910 .0 .2 0* 2.1 1.4 150 ----- ----- Basin Index (%) 100* 212 SHOSHONE RIVER Blackwater 9840 2.4 1.9 126* 3.6 2.0 180 Evening Star 9040 1.4 1.6 88* 4.5 2.4 188 Marquette 8800 .4 .6 67* 2.2 1.6 138 Sylvan Lake 8440 .3 1.1 27* 4.3 2.2 195 Sylvan Road 7140 .0 .0 * 3.1 1.6 194 Younts Peak 8340 .7 .8 88* 5.1 1.6 319 ----- ----- Basin Index (%) 87* 200 POWDER RIVER Bear Trap Meadow 8200 .9 .3 300* 3.8 1.4 271 Cloud Peak Reservoir 9830 .8 1.2 67* 3.3 2.2 150 Grave Springs 8560 1.0 .4 250* 3.7 1.2 308 Hansen Sawmill 8360 .1 .2 50* 4.0 1.4 286 Middle Powder 7760 1.5 .3 500* 4.3 1.6 269 Powder River Pass 9480 1.5 1.1 136 4.4 1.8 244 Soldier Park 8680 .0 .0 * 2.5 1.5 167 ----- ----- Basin Index (%) 166* 234 TONGUE RIVER Big Goose 8010 .3 .5 60* 2.7 1.5 180 Bone Springs Div 9340 1.0 1.8 56* 3.4 2.2 155 Burgess Junction 7900 .6 .8 75* 3.2 1.8 178 Dome Lake 8890 .6 1.1 55* 3.2 2.0 160 Little Goose 8560 .2 .0 * 2.9 1.6 181 Sucker Creek 8840 .7 1.1 64* 3.2 1.8 178 Tie Creek 7050 .1 .0 * 2.8 1.8 156 ----- ----- Basin Index (%) 66* 169 BELLE FOURCHE Blind Park 6900 .1 .0 * 3.1 1.3 238 Cole Canyon 5930 .0 .0 * 3.2 1.2 267 North Rapid Creek 6150 .2 .0 * 2.4 1.2 200 ----- ----- Basin Index (%) * 235 CHEYENNE RIVER BASIN Blind Park 6900 .1 .0 * 3.1 1.3 238 North Rapid Creek 6150 .2 .0 * 2.4 1.2 200 ----- ----- Basin Index (%) * 220 UPPER N. PLATTE Arapaho Ridge 10960 .2 1.7 12* 1.9 2.2 86 Blackhall Mtn 9830 .3 1.6 19* 3.0 3.3 91 Cinnabar Park 9670 .1 .9 11* 1.7 1.9 89 Columbine 9170 .5 .0 * 1.9 2.3 83 Divide Peak 8700 .3 .4 75* 2.4 2.4 100 Joe Wright 10140 .3 .9 33* 2.1 2.6 81 Laprele Creek 8370 .2 .0 * 3.1 1.2 258 Med Bow 10500 1.2 -M * 3.9 -M * Never Summer 10300 1.0 1.8 56* 1.2 2.0 60 North French Creek 10150 .9 1.2 75* 3.2 2.4 133 Old Battle 9850 .6 1.4 43* 4.7 2.8 168 Rawah 9100 .0 .3 0* 1.6 2.1 76 Sage Creek Basin 7830 .1 .0 * 1.7 1.7 100 Sand Lake 10080 1.0 2.0 50* 3.2 2.3 139 South Brush Creek 8480 .0 .2 0* 1.8 1.6 112 Tower 10610 .3 1.6 19* 2.7 3.2 84 Webber Springs 9250 .2 .5 40* 3.2 2.4 133 Whiskey Park 8950 .1 .6 17* 3.5 2.5 140 Willow Creek Pass 9520 .2 .6 33* 1.4 1.5 93 Zirkel 9320 .2 .2 100* 2.5 2.7 93 ----- ----- Basin Index (%) 41* 109 SWEETWATER Deer Park 9690 .6 1.2 50* 1.4 1.8 78 Larsen Creek 8880 .4 .0 * 1.4 1.4 100 South Pass 9040 .5 .6 83* 1.3 1.5 87 ----- ----- Basin Index (%) 83* 87 LOWER N. PLATTE Casper Mtn. 7940 .3 .4 75* 2.5 1.4 179 Laprele Creek 8370 .2 .0 * 3.1 1.2 258 Reno Hill 8410 .3 .6 50* 2.6 1.6 162 Windy Peak 7900 .0 .0 * 2.7 1.2 225 ----- ----- Basin Index (%) 80* 202 LARAMIE RIVER Brooklyn Lake 10250 .3 .3 100* 2.1 1.7 124 Cinnabar Park 9670 .1 .9 11* 1.7 1.9 89 Crow Creek 8320 .1 .0 * 1.3 1.5 87 Deadman Hill 10240 .5 1.4 36* 1.2 2.0 60 Rawah 9100 .0 .3 0* 1.6 2.1 76 Roach 9710 .2 .6 33* 1.4 1.8 78 Windy Peak 7900 .0 .0 * 2.7 1.2 225 ----- ----- Basin Index (%) 34* 98 S. PLATTE Crow Creek 8320 .1 .0 * 1.3 1.5 87 ----- ----- Basin Index (%) * 87 LITTLE SNAKE RIVER Battle Mountain 7460 .2 .0 * 2.7 1.4 193 Divide Peak 8700 .3 .4 75* 2.4 2.4 100 Elk River 8710 .2 .0 * 3.6 1.9 189 Elkhead Divide 8780 .0 -M * 3.7 -M * Little Snake River 8930 .0 .1 0* 3.6 3.0 120 Old Battle 9850 .6 1.4 43* 4.7 2.8 168 Sage Creek Basin 7830 .1 .0 * 1.7 1.7 100 Sandstone RS 8150 .0 .0 * 2.6 1.6 162 Whiskey Park 8950 .1 .6 17* 3.5 2.5 140 ----- ----- Basin Index (%) 60* 143 UPPER GREEN RIVER Big Sandy Opening 9100 .8 .9 89* 1.1 1.2 92 Blind Bull Sum 8880 .2 .7 29* 1.8 1.4 129 East Rim Divide 8010 .0 .0 * 1.9 1.0 190 Elkhart Park G.S. 9410 .0 .8 0* 2.2 1.6 138 Gros Ventre Summit 8760 .3 .9 33* -M 1.3 * Gunsight Pass 9830 1.2 .7 171* 3.5 1.6 219 Indian Creek 9400 .2 1.0 20* 3.0 1.6 188 Kendall R.S. 7790 .0 .0 * 2.7 1.2 225 Larsen Creek 8880 .4 .0 * 1.4 1.4 100 Loomis Park 8240 .0 .2 0* 2.1 1.4 150 New Fork Lake 8380 .0 .0 * -M 1.0 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .0 .0 * 1.2 1.0 120 Spring Creek Divide 9020 .3 .6 50* 2.6 1.5 173 Triple Peak 8520 .4 .6 67* 2.5 1.7 147 ----- ----- Basin Index (%) 59* 157 LOWER GREEN RIVER Blacks Fork Jct 8880 .3 .0 * 1.9 1.2 158 Buck Pasture 9620 .0 -M * 2.9 -M * EF Blacks Fork GS 9360 .1 .0 * 2.4 1.4 171 Hams Fork 7870 .0 .0 * 1.5 1.2 125 Henrys Fork 10180 -M -M * 3.2 -M * Hewinta 9510 .0 .0 * 2.5 1.6 156 Hickerson Park 9130 1.1 .0 * 2.9 1.0 290 Hole-in-Rock 9170 .4 .0 * 3.3 1.4 236 Indian Creek 9400 .2 1.0 20* 3.0 1.6 188 Kelley R.S. 8240 .0 .2 0* 2.8 1.4 200 Spirit Lk 10240 .6 .2 300* 4.8 1.8 267 Steel Creek Park 10140 1.5 .8 188* 3.0 1.6 188 ----- ----- Basin Index (%) 191* 198 UPPER BEAR RIVER Bear River RS 8510 .0 -M * 1.8 -M * Bug Lake 7980 .0 .0 * 2.9 1.4 207 Burts Miller Ranch 7900 .0 .0 * 1.9 .8 238 Chalk Creek #1 9160 .4 .4 100* 3.5 2.0 175 Giveout 6940 .0 .0 * 2.0 1.2 167 Hayden Fork 9160 .0 .0 * 2.6 1.8 144 Kelley R.S. 8240 .0 .2 0* 2.8 1.4 200 Lily Lake 9130 .0 .1 0* 2.2 1.5 147 Monte Cristo 8930 .2 .1 200* 4.0 1.8 222 Salt River Summit 7630 .0 .0 * 2.0 1.2 167 Spring Creek Divide 9020 .3 .6 50* 2.6 1.5 173 Trial Lake 9970 1.0 .4 250* 2.4 1.6 150 ----- ----- Basin Index (%) 106* 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.