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 TUESDAY: OCTOBER 28 , 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 * 4.5 1.8 250 Blind Bull Sum 8880 1.0 1.2 83* 2.5 1.9 132 Cottonwood Creek 7710 .7 .9 78* 4.3 2.4 179 East Rim Divide 8010 .0 .0 * 2.4 1.2 200 Grand Targhee 9260 3.6 3.6 100* 6.6 4.0 165 Granite Creek 6770 .2 .0 * 3.2 1.8 178 Grassy Lake 7330 .8 .5 160* 4.7 2.9 162 Gros Ventre Summit 8760 -M 1.2 * -M 1.6 * Gunsight Pass 9830 1.7 .8 212* 3.9 1.9 205 Lewis Lake Divide 7880 1.1 .5 220* 5.0 2.6 192 Loomis Park 8240 .3 .2 150* 2.7 1.7 159 Phillips Bench 8160 .7 .9 78* 4.1 2.4 171 Salt River Summit 7630 .0 .0 * 2.5 1.5 167 Snake River Station 6900 .4 .0 * 3.5 2.1 167 Somsen Ranch 6830 .4 .0 * 4.2 1.6 262 Spring Creek Divide 9020 1.1 .9 122* 3.7 2.2 168 Thumb Divide 7970 1.0 .1 1000* 4.0 2.0 200 Togwotee Pass 9590 1.8 2.4 75* 4.9 2.7 181 Triple Peak 8520 1.3 1.0 130* 3.7 2.0 185 Two Ocean Plateau 9240 3.7 2.9 128* 5.5 2.6 212 Willow Creek 8060 1.0 .6 167* 6.1 3.5 174 Younts Peak 8340 1.2 1.2 100* 5.6 1.8 311 ----- ----- Basin Index (%) 124* 188 MADISON HEADWATERS IN WYOMING Black Bear 8160 2.6 2.0 130* 5.0 3.6 139 Canyon 7870 .5 .3 167* 3.0 1.7 176 Madison Plateau 7710 .6 1.2 50* 4.6 2.6 177 West Yellowstone 6680 .0 .0 * 3.3 1.2 275 Whiskey Creek 6790 .6 .2 300* 4.2 1.8 233 ----- ----- Basin Index (%) 116* 184 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 2.4 2.1 114* 3.7 2.1 176 Canyon 7870 .5 .3 167* 3.0 1.7 176 Evening Star 9040 2.3 2.0 115* 5.3 3.0 177 Fisher Creek 9110 2.8 2.4 117* 5.1 3.0 170 Monument Peak 8740 2.5 1.6 156* 5.0 2.5 200 Northeast Entrance 7420 .3 .0 * 3.6 1.6 225 Parker Peak 9420 2.0 2.0 100* 4.1 2.2 186 Sylvan Lake 8440 .8 1.2 67* 5.0 2.6 192 Thumb Divide 7970 1.0 .1 1000* 4.0 2.0 200 Two Ocean Plateau 9240 3.7 2.9 128* 5.5 2.6 212 White Mill 8730 2.2 1.6 138* 4.0 2.2 182 Wolverine 7650 .0 .0 * 2.9 1.6 181 ----- ----- Basin Index (%) 127* 189 WIND RIVER Burroughs Creek 8760 .1 -M * 3.8 -M * Castle Creek 8410 .2 .0 * 1.8 1.2 150 Cold Springs 9640 .2 .5 40* 2.6 1.6 162 Deer Park 9690 1.6 1.4 114* 2.3 2.2 105 Hobbs Park 10080 .6 1.8 33 2.2 2.0 110 Kirwin 9580 1.1 1.6 69 4.0 1.8 222 Little Warm 9370 1.2 1.0 120* 3.4 1.7 200 South Pass 9040 1.7 .8 212* 2.4 1.6 150 St. Lawrence Alt 8610 .0 -M * 1.6 -M * Togwotee Pass 9590 1.8 2.4 75* 4.9 2.7 181 Townsend Creek 8720 .2 .6 33* 2.0 1.9 105 ----- ----- Basin Index (%) 85* 153 BIGHORN BASIN Bald Mtn. 9360 2.6 2.6 100 4.3 2.4 179 Bear Trap Meadow 8200 .9 .4 225* 4.0 1.6 250 Bone Springs Div 9340 1.0 2.1 48 3.6 2.4 150 Grave Springs 8560 .9 .4 225* 3.9 1.6 244 Kirwin 9580 1.1 1.6 69 4.0 1.8 222 Marquette 8800 .3 .8 38* 2.3 2.0 115 Middle Powder 7760 .8 .6 133* 4.5 1.9 237 Owl Creek 8990 .0 .6 0 1.8 1.2 150 Powder River Pass 9480 2.1 1.2 175 5.1 2.0 255 Shell Creek 9570 1.7 2.6 65 4.2 2.2 191 Timber Creek 7910 .0 .2 0* 1.9 1.7 112 ----- ----- Basin Index (%) 87 190 SHOSHONE RIVER Blackwater 9840 3.3 2.4 138* 4.2 2.5 168 Evening Star 9040 2.3 2.0 115* 5.3 3.0 177 Marquette 8800 .3 .8 38* 2.3 2.0 115 Sylvan Lake 8440 .8 1.2 67* 5.0 2.6 192 Sylvan Road 7140 .2 .0 * 3.5 2.0 175 Younts Peak 8340 1.2 1.2 100* 5.6 1.8 311 ----- ----- Basin Index (%) 107* 186 POWDER RIVER Bear Trap Meadow 8200 .9 .4 225* 4.0 1.6 250 Cloud Peak Reservoir 9830 1.4 1.6 88* 3.9 2.4 162 Grave Springs 8560 .9 .4 225* 3.9 1.6 244 Hansen Sawmill 8360 .4 .3 133* 4.8 1.7 282 Middle Powder 7760 .8 .6 133* 4.5 1.9 237 Powder River Pass 9480 2.1 1.2 175 5.1 2.0 255 Soldier Park 8680 .2 .0 * 2.9 1.6 181 ----- ----- Basin Index (%) 149* 227 TONGUE RIVER Big Goose 8010 .5 .4 125* 3.1 2.0 155 Bone Springs Div 9340 1.0 2.1 48 3.6 2.4 150 Burgess Junction 7900 .3 .9 33* 3.2 2.2 145 Dome Lake 8890 .8 1.4 57 3.8 2.2 173 Little Goose 8560 .6 .2 300* 3.2 1.9 168 Sucker Creek 8840 .5 1.4 36 3.4 2.4 142 Tie Creek 7050 .1 .0 * 2.8 2.0 140 ----- ----- Basin Index (%) 59* 153 BELLE FOURCHE Blind Park 6900 .3 .0 * 4.1 1.5 273 Cole Canyon 5930 .2 .0 * 4.4 1.4 314 North Rapid Creek 6150 .2 .0 * 2.9 1.2 242 ----- ----- Basin Index (%) * 278 CHEYENNE RIVER BASIN Blind Park 6900 .3 .0 * 4.1 1.5 273 North Rapid Creek 6150 .2 .0 * 2.9 1.2 242 ----- ----- Basin Index (%) * 259 UPPER N. PLATTE Arapaho Ridge 10960 .2 2.2 9* 2.3 2.8 82 Blackhall Mtn 9830 .6 2.0 30* 3.6 3.6 100 Cinnabar Park 9670 .4 1.2 33* 2.3 2.2 105 Columbine 9170 .6 .1 600* 1.9 2.6 73 Divide Peak 8700 .7 .4 175* 3.0 2.6 115 Joe Wright 10140 .7 1.2 58* 2.8 3.4 82 Laprele Creek 8370 .2 .2 100* 3.3 1.5 220 Med Bow 10500 2.1 -M * 4.9 -M * Never Summer 10300 1.3 2.0 65* 1.5 2.8 54 North French Creek 10150 1.5 2.2 68* 3.9 2.7 144 Old Battle 9850 1.2 1.8 67* 5.2 3.6 144 Rawah 9100 .0 .4 0* 1.8 2.8 64 Sage Creek Basin 7830 .2 .0 * 2.2 1.9 116 Sand Lake 10080 2.0 2.2 91* 4.2 2.6 162 South Brush Creek 8480 .1 .2 50* 2.0 1.8 111 Tower 10610 .6 1.8 33* 3.0 3.8 79 Webber Springs 9250 .6 .7 86* 3.6 3.0 120 Whiskey Park 8950 .6 .6 100* 4.3 2.7 159 Willow Creek Pass 9520 .4 1.1 36* 1.9 2.0 95 Zirkel 9320 .7 .4 175* 3.1 3.2 97 ----- ----- Basin Index (%) 61* 108 SWEETWATER Deer Park 9690 1.6 1.4 114* 2.3 2.2 105 Larsen Creek 8880 1.0 .0 * 2.3 1.8 128 South Pass 9040 1.7 .8 212* 2.4 1.6 150 ----- ----- Basin Index (%) 195* 125 LOWER N. PLATTE Casper Mtn. 7940 .5 .8 62* 2.8 2.1 133 Laprele Creek 8370 .2 .2 100* 3.3 1.5 220 Reno Hill 8410 .1 1.0 10* 2.8 2.0 140 Windy Peak 7900 .0 .2 0* 3.1 1.4 221 ----- ----- Basin Index (%) 36* 171 LARAMIE RIVER Brooklyn Lake 10250 .8 .8 100* 2.8 2.0 140 Cinnabar Park 9670 .4 1.2 33* 2.3 2.2 105 Crow Creek 8320 .2 .0 * 1.6 1.7 94 Deadman Hill 10240 .9 2.0 45 1.5 2.6 58 Rawah 9100 .0 .4 0* 1.8 2.8 64 Roach 9710 .4 1.0 40* 1.6 2.2 73 Windy Peak 7900 .0 .2 0* 3.1 1.4 221 ----- ----- Basin Index (%) 48* 99 S. PLATTE Crow Creek 8320 .2 .0 * 1.6 1.7 94 ----- ----- Basin Index (%) * 94 LITTLE SNAKE RIVER Battle Mountain 7460 .2 .0 * 2.9 1.9 153 Divide Peak 8700 .7 .4 175* 3.0 2.6 115 Elk River 8710 .5 .0 * 3.9 2.1 186 Elkhead Divide 8780 .0 -M * 3.9 -M * Little Snake River 8930 .4 .2 200* 4.3 4.0 108 Old Battle 9850 1.2 1.8 67* 5.2 3.6 144 Sage Creek Basin 7830 .2 .0 * 2.2 1.9 116 Sandstone RS 8150 .0 .0 * 2.8 2.1 133 Whiskey Park 8950 .6 .6 100* 4.3 2.7 159 ----- ----- Basin Index (%) 127* 137 UPPER GREEN RIVER Big Sandy Opening 9100 1.4 1.0 140* 1.6 1.5 107 Blind Bull Sum 8880 1.0 1.2 83* 2.5 1.9 132 East Rim Divide 8010 .0 .0 * 2.4 1.2 200 Elkhart Park G.S. 9410 .2 .8 25* 2.8 1.6 175 Gros Ventre Summit 8760 -M 1.2 * -M 1.6 * Gunsight Pass 9830 1.7 .8 212* 3.9 1.9 205 Indian Creek 9400 1.0 1.5 67* 3.8 1.9 200 Kendall R.S. 7790 .2 .0 * 3.1 1.5 207 Larsen Creek 8880 1.0 .0 * 2.3 1.8 128 Loomis Park 8240 .3 .2 150* 2.7 1.7 159 New Fork Lake 8380 .0 .2 0* -M 1.2 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .3 .0 * 1.9 1.2 158 Spring Creek Divide 9020 1.1 .9 122* 3.7 2.2 168 Triple Peak 8520 1.3 1.0 130* 3.7 2.0 185 ----- ----- Basin Index (%) 125* 169 LOWER GREEN RIVER Blacks Fork Jct 8880 .5 .0 * 2.4 1.5 160 Buck Pasture 9620 .2 -M * 3.4 -M * EF Blacks Fork GS 9360 .2 .0 * 2.8 1.6 175 Hams Fork 7870 .0 .0 * 2.0 1.4 143 Henrys Fork 10180 -M -M * 3.8 -M * Hewinta 9510 .4 .0 * 3.0 1.8 167 Hickerson Park 9130 .0 .0 * 3.0 1.4 214 Hole-in-Rock 9170 .0 .0 * 3.3 1.6 206 Indian Creek 9400 1.0 1.5 67* 3.8 1.9 200 Kelley R.S. 8240 .4 .3 133* 3.4 1.7 200 Spirit Lk 10240 .5 .5 100* 4.9 2.1 233 Steel Creek Park 10140 1.9 1.0 190* 3.7 1.9 195 ----- ----- Basin Index (%) 148* 191 UPPER BEAR RIVER Bear River RS 8510 .0 .0 * 2.5 1.3 192 Bug Lake 7980 .2 .0 * 3.7 1.6 231 Burts Miller Ranch 7900 .0 .0 * 2.6 .9 289 Chalk Creek #1 9160 .7 .8 88* 4.2 2.5 168 Giveout 6940 .0 .0 * 2.6 1.5 173 Hayden Fork 9160 .0 .0 * 3.3 2.2 150 Kelley R.S. 8240 .4 .3 133* 3.4 1.7 200 Lily Lake 9130 -M .2 * -M 2.0 * Monte Cristo 8930 .6 .0 * 4.6 2.2 209 Salt River Summit 7630 .0 .0 * 2.5 1.5 167 Spring Creek Divide 9020 1.1 .9 122* 3.7 2.2 168 Trial Lake 9970 1.2 .8 150* 2.9 2.2 132 ----- ----- Basin Index (%) 150* 182 ----------------------------------------------------------------------------- -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.