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: OCTOBER 30 , 2025 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7040 .2 .2 100* 4.5 2.1 214 Blind Bull Sum 8880 1.1 1.2 92* 2.8 2.0 140 Cottonwood Creek 7710 .7 .9 78* 4.3 2.6 165 East Rim Divide 8010 .1 .1 100* 2.5 1.3 192 Grand Targhee 9260 3.6 4.2 86* 6.7 4.4 152 Granite Creek 6770 .4 .0 * 3.3 1.8 183 Grassy Lake 7330 .8 .8 100* 4.9 3.3 148 Gros Ventre Summit 8760 .8 1.4 57 -M 1.8 * Gunsight Pass 9830 1.7 .8 212* 4.1 2.2 186 Lewis Lake Divide 7880 1.2 .7 171* 5.1 3.0 170 Loomis Park 8240 .4 .4 100* 2.8 1.8 156 Phillips Bench 8160 .8 1.1 73* 4.2 2.5 168 Salt River Summit 7630 .0 .0 * 2.7 1.8 150 Snake River Station 6900 .4 .2 200* 3.7 2.4 154 Somsen Ranch 6830 .5 .0 * 4.2 1.8 233 Spring Creek Divide 9020 1.2 1.2 100* 3.8 2.2 173 Thumb Divide 7970 1.0 .2 500* 4.2 2.2 191 Togwotee Pass 9590 1.9 2.4 79* 5.2 3.0 173 Triple Peak 8520 1.3 1.0 130* 3.7 2.0 185 Two Ocean Plateau 9240 3.8 3.1 123* 5.6 2.8 200 Willow Creek 8060 1.1 .7 157* 6.1 3.6 169 Younts Peak 8340 1.4 1.4 100* 5.9 2.0 295 ----- ----- Basin Index (%) 111* 178 MADISON HEADWATERS IN WYOMING Black Bear 8160 2.6 2.4 108* 5.2 3.8 137 Canyon 7870 .5 .4 125* 3.0 1.8 167 Madison Plateau 7710 .9 1.2 75* 4.6 2.7 170 West Yellowstone 6680 .2 .0 * 3.3 1.4 236 Whiskey Creek 6790 .7 .2 350* 4.3 2.0 215 ----- ----- Basin Index (%) 117* 174 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 2.6 2.5 104 3.8 2.4 158 Canyon 7870 .5 .4 125* 3.0 1.8 167 Evening Star 9040 2.3 2.2 105* 5.6 3.3 170 Fisher Creek 9110 2.8 2.8 100* 5.6 3.4 165 Monument Peak 8740 2.6 1.8 144* 5.1 2.8 182 Northeast Entrance 7420 .4 .0 * 3.6 1.8 200 Parker Peak 9420 2.3 2.3 100* 4.4 2.6 169 Sylvan Lake 8440 .9 1.4 64* 5.3 3.0 177 Thumb Divide 7970 1.0 .2 500* 4.2 2.2 191 Two Ocean Plateau 9240 3.8 3.1 123* 5.6 2.8 200 White Mill 8730 2.3 1.8 128* 4.2 2.6 162 Wolverine 7650 .0 .0 * 2.9 1.9 153 ----- ----- Basin Index (%) 116* 174 WIND RIVER Burroughs Creek 8760 .2 -M * 4.3 -M * Castle Creek 8410 .3 .0 * 2.0 1.2 167 Cold Springs 9640 .4 .7 57* 2.6 1.8 144 Deer Park 9690 1.7 1.4 121* 2.6 2.3 113 Hobbs Park 10080 .8 1.9 42 2.4 2.0 120 Kirwin 9580 1.3 1.6 81 4.1 1.9 216 Little Warm 9370 1.4 1.1 127 3.7 1.8 206 South Pass 9040 1.7 1.0 170* 2.5 1.8 139 St. Lawrence Alt 8610 .0 -M * 1.6 -M * Togwotee Pass 9590 1.9 2.4 79* 5.2 3.0 173 Townsend Creek 8720 .4 .8 50* 2.1 2.0 105 ----- ----- Basin Index (%) 91* 153 BIGHORN BASIN Bald Mtn. 9360 2.6 2.8 93 4.5 2.8 161 Bear Trap Meadow 8200 .9 .4 225* 4.3 1.8 239 Bone Springs Div 9340 1.2 2.2 55 3.7 2.6 142 Grave Springs 8560 1.1 .5 220* 4.2 1.8 233 Kirwin 9580 1.3 1.6 81 4.1 1.9 216 Marquette 8800 .4 .8 50* 2.5 2.0 125 Middle Powder 7760 1.0 .7 143* 4.6 2.0 230 Owl Creek 8990 .0 .6 0 2.0 1.3 154 Powder River Pass 9480 2.1 1.5 140 5.2 2.2 236 Shell Creek 9570 1.9 2.8 68 4.3 2.3 187 Timber Creek 7910 .1 .2 50* 2.1 1.8 117 ----- ----- Basin Index (%) 89 184 SHOSHONE RIVER Blackwater 9840 3.6 2.8 129 4.7 2.6 181 Evening Star 9040 2.3 2.2 105* 5.6 3.3 170 Marquette 8800 .4 .8 50* 2.5 2.0 125 Sylvan Lake 8440 .9 1.4 64* 5.3 3.0 177 Sylvan Road 7140 .3 .2 150* 3.8 2.2 173 Younts Peak 8340 1.4 1.4 100* 5.9 2.0 295 ----- ----- Basin Index (%) 101* 184 POWDER RIVER Bear Trap Meadow 8200 .9 .4 225* 4.3 1.8 239 Cloud Peak Reservoir 9830 1.5 1.8 83 4.0 2.5 160 Grave Springs 8560 1.1 .5 220* 4.2 1.8 233 Hansen Sawmill 8360 .5 .1 500* 4.8 1.8 267 Middle Powder 7760 1.0 .7 143* 4.6 2.0 230 Powder River Pass 9480 2.1 1.5 140 5.2 2.2 236 Soldier Park 8680 .4 .0 * 3.0 1.6 188 ----- ----- Basin Index (%) 150* 220 TONGUE RIVER Big Goose 8010 .6 .6 100* 3.1 2.2 141 Bone Springs Div 9340 1.2 2.2 55 3.7 2.6 142 Burgess Junction 7900 .3 1.0 30* 3.2 2.4 133 Dome Lake 8890 .9 1.4 64 3.8 2.6 146 Little Goose 8560 .6 .2 300* 3.4 2.1 162 Sucker Creek 8840 .6 1.6 38 3.5 2.4 146 Tie Creek 7050 .2 .0 * 2.9 2.4 121 ----- ----- Basin Index (%) 63* 141 BELLE FOURCHE Blind Park 6900 .2 .0 * 4.2 1.6 262 Cole Canyon 5930 .1 .0 * 4.4 1.6 275 North Rapid Creek 6150 .2 .0 * 3.0 1.4 214 ----- ----- Basin Index (%) * 252 CHEYENNE RIVER BASIN Blind Park 6900 .2 .0 * 4.2 1.6 262 North Rapid Creek 6150 .2 .0 * 3.0 1.4 214 ----- ----- Basin Index (%) * 240 UPPER N. PLATTE Arapaho Ridge 10960 .4 2.6 15 2.2 3.2 69 Blackhall Mtn 9830 .7 2.3 30* 3.6 3.7 97 Cinnabar Park 9670 .5 1.4 36* 2.3 2.8 82 Columbine 9170 .5 .4 125* 2.2 3.0 73 Divide Peak 8700 .8 .7 114* 3.2 2.9 110 Joe Wright 10140 .8 1.4 57* 2.9 3.7 78 Laprele Creek 8370 .2 .3 67* 3.4 1.6 212 Med Bow 10500 2.2 -M * 5.0 -M * Never Summer 10300 1.3 2.2 59* 1.5 3.1 48 North French Creek 10150 1.6 2.3 70* 4.0 3.4 118 Old Battle 9850 1.3 2.0 65* 5.6 4.1 137 Rawah 9100 .0 .4 0* 1.8 3.0 60 Sage Creek Basin 7830 .1 .0 * 2.2 2.0 110 Sand Lake 10080 2.2 2.3 96* 4.4 3.0 147 South Brush Creek 8480 .1 .4 25* 2.1 2.2 95 Tower 10610 .7 2.1 33* 3.2 3.9 82 Webber Springs 9250 .6 .9 67* 3.8 3.2 119 Whiskey Park 8950 .7 .6 117* 4.4 2.9 152 Willow Creek Pass 9520 .4 1.4 29* 2.0 2.2 91 Zirkel 9320 .7 .6 117* 3.2 3.3 97 ----- ----- Basin Index (%) 56* 101 SWEETWATER Deer Park 9690 1.7 1.4 121* 2.6 2.3 113 Larsen Creek 8880 .9 .0 * 2.4 1.8 133 South Pass 9040 1.7 1.0 170* 2.5 1.8 139 ----- ----- Basin Index (%) 179* 127 LOWER N. PLATTE Casper Mtn. 7940 .6 .8 75* 2.8 2.3 122 Laprele Creek 8370 .2 .3 67* 3.4 1.6 212 Reno Hill 8410 .2 1.0 20* 2.9 2.0 145 Windy Peak 7900 .0 .2 0* 3.2 1.5 213 ----- ----- Basin Index (%) 43* 166 LARAMIE RIVER Brooklyn Lake 10250 1.0 1.0 100* 2.9 2.2 132 Cinnabar Park 9670 .5 1.4 36* 2.3 2.8 82 Crow Creek 8320 .3 .1 300* 1.7 1.9 89 Deadman Hill 10240 1.0 2.2 45 1.6 2.8 57 Rawah 9100 .0 .4 0* 1.8 3.0 60 Roach 9710 .4 1.2 33* 1.7 2.6 65 Windy Peak 7900 .0 .2 0* 3.2 1.5 213 ----- ----- Basin Index (%) 49* 90 S. PLATTE Crow Creek 8320 .3 .1 300* 1.7 1.9 89 ----- ----- Basin Index (%) 300* 89 LITTLE SNAKE RIVER Battle Mountain 7460 .1 .0 * 3.1 2.0 155 Divide Peak 8700 .8 .7 114* 3.2 2.9 110 Elk River 8710 .3 .2 150* 4.0 2.4 167 Elkhead Divide 8780 .1 -M * 4.0 -M * Little Snake River 8930 .4 .0 * 4.2 4.2 100 Old Battle 9850 1.3 2.0 65* 5.6 4.1 137 Sage Creek Basin 7830 .1 .0 * 2.2 2.0 110 Sandstone RS 8150 .0 .0 * 2.8 2.2 127 Whiskey Park 8950 .7 .6 117* 4.4 2.9 152 ----- ----- Basin Index (%) 106* 130 UPPER GREEN RIVER Big Sandy Opening 9100 1.5 1.2 125* 1.8 1.6 112 Blind Bull Sum 8880 1.1 1.2 92* 2.8 2.0 140 East Rim Divide 8010 .1 .1 100* 2.5 1.3 192 Elkhart Park G.S. 9410 .4 .8 50* 2.8 1.8 156 Gros Ventre Summit 8760 .8 1.4 57 -M 1.8 * Gunsight Pass 9830 1.7 .8 212* 4.1 2.2 186 Indian Creek 9400 1.1 1.4 79* 3.9 2.2 177 Kendall R.S. 7790 .4 .2 200* 3.2 1.6 200 Larsen Creek 8880 .9 .0 * 2.4 1.8 133 Loomis Park 8240 .4 .4 100* 2.8 1.8 156 New Fork Lake 8380 .0 .3 0* -M 1.3 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .3 .2 150* 2.1 1.4 150 Spring Creek Divide 9020 1.2 1.2 100* 3.8 2.2 173 Triple Peak 8520 1.3 1.0 130* 3.7 2.0 185 ----- ----- Basin Index (%) 110* 164 LOWER GREEN RIVER Blacks Fork Jct 8880 .4 .0 * 2.5 1.5 167 Buck Pasture 9620 .3 -M * 3.5 -M * EF Blacks Fork GS 9360 .3 .0 * 2.9 1.6 181 Hams Fork 7870 .0 .0 * 2.0 1.4 143 Henrys Fork 10180 -M -M * 3.6 -M * Hewinta 9510 .0 .0 * 3.1 2.0 155 Hickerson Park 9130 2.0 .0 * 3.1 1.7 182 Hole-in-Rock 9170 .2 .0 * 3.5 1.8 194 Indian Creek 9400 1.1 1.4 79* 3.9 2.2 177 Kelley R.S. 8240 .5 .4 125* 3.5 1.8 194 Spirit Lk 10240 .8 .9 89* 5.0 2.4 208 Steel Creek Park 10140 2.0 1.0 200* 3.6 2.2 164 ----- ----- Basin Index (%) 197* 178 UPPER BEAR RIVER Bear River RS 8510 .0 .0 * 2.4 1.4 171 Bug Lake 7980 .6 .0 * 3.7 2.0 185 Burts Miller Ranch 7900 .0 .0 * 2.7 1.3 208 Chalk Creek #1 9160 1.0 1.0 100* 4.5 2.8 161 Giveout 6940 .0 .0 * 2.6 1.5 173 Hayden Fork 9160 .0 .0 * 3.3 2.4 138 Kelley R.S. 8240 .5 .4 125* 3.5 1.8 194 Lily Lake 9130 .0 .2 0* 2.8 2.2 127 Monte Cristo 8930 .6 .2 300* 4.6 2.4 192 Salt River Summit 7630 .0 .0 * 2.7 1.8 150 Spring Creek Divide 9020 1.2 1.2 100* 3.8 2.2 173 Trial Lake 9970 1.3 .8 162* 2.9 2.2 132 ----- ----- Basin Index (%) 137* 165 ----------------------------------------------------------------------------- -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.