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 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 .0 .0 * 2.7 .8 338 Blind Bull Sum 8880 .0 .1 0* 1.3 .8 162 Cottonwood Creek 7710 .0 .0 * 2.1 1.0 210 East Rim Divide 8010 .0 .0 * 1.3 .4 325 Grand Targhee 9260 1.0 1.5 67* 3.6 2.1 171 Granite Creek 6770 .0 .0 * 1.7 .6 283 Grassy Lake 7330 .2 .0 * 2.0 1.2 167 Gros Ventre Summit 8760 .0 .1 0* -M .8 * Gunsight Pass 9830 .7 .0 * 2.1 .8 262 Lewis Lake Divide 7880 .4 .0 * 2.0 1.0 200 Loomis Park 8240 .0 .0 * 1.5 .6 250 Phillips Bench 8160 .1 .0 * 2.1 .9 233 Salt River Summit 7630 .0 .0 * 1.4 .7 200 Snake River Station 6900 .0 .0 * 1.7 .8 212 Somsen Ranch 6830 .1 .0 * 2.6 .8 325 Spring Creek Divide 9020 .0 .2 0* 1.6 .7 229 Thumb Divide 7970 .4 .0 * 2.2 .9 244 Togwotee Pass 9590 .1 .8 12* 2.5 1.2 208 Triple Peak 8520 .2 .0 * 1.5 .8 188 Two Ocean Plateau 9240 .7 1.0 70* 2.8 1.2 233 Willow Creek 8060 .0 .0 * 2.8 1.4 200 Younts Peak 8340 .2 .0 * 3.5 .7 500 ----- ----- Basin Index (%) 111* 232 MADISON HEADWATERS IN WYOMING Black Bear 8160 .8 .8 100* 2.2 1.2 183 Canyon 7870 .2 .0 * 1.6 .9 178 Madison Plateau 7710 .4 .0 * 1.9 1.2 158 West Yellowstone 6680 .0 .0 * 1.3 .7 186 Whiskey Creek 6790 .4 .0 * 1.7 .8 212 ----- ----- Basin Index (%) 225* 181 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 .4 .8 50* 1.7 .8 212 Canyon 7870 .2 .0 * 1.6 .9 178 Evening Star 9040 .4 .7 57* 2.5 1.4 179 Fisher Creek 9110 .8 .9 89* 2.6 1.2 217 Monument Peak 8740 .6 .6 100* 2.7 1.2 225 Northeast Entrance 7420 .1 .0 * 1.8 .7 257 Parker Peak 9420 .3 1.0 30* 2.1 1.2 175 Sylvan Lake 8440 .3 .2 150* 2.6 1.4 186 Thumb Divide 7970 .4 .0 * 2.2 .9 244 Two Ocean Plateau 9240 .7 1.0 70* 2.8 1.2 233 White Mill 8730 .5 .6 83* 2.2 .9 244 Wolverine 7650 .0 .0 * 1.4 .8 175 ----- ----- Basin Index (%) 81* 208 WIND RIVER Burroughs Creek 8760 .0 -M * 3.4 -M * Castle Creek 8410 .2 .0 * 1.3 .6 217 Cold Springs 9640 .0 .0 * 1.4 .7 200 Deer Park 9690 .1 .5 20* .4 1.1 36 Hobbs Park 10080 .0 .5 0* 1.1 .8 138 Kirwin 9580 .3 .6 50* 2.5 1.0 250 Little Warm 9370 .0 .0 * 2.0 .7 286 South Pass 9040 .3 .0 * .5 .8 62 St. Lawrence Alt 8610 .0 -M * 1.0 -M * Togwotee Pass 9590 .1 .8 12* 2.5 1.2 208 Townsend Creek 8720 .0 .0 * .9 .8 112 ----- ----- Basin Index (%) 42* 164 BIGHORN BASIN Bald Mtn. 9360 1.6 1.4 114* 3.1 1.4 221 Bear Trap Meadow 8200 .3 .0 * 1.2 .9 133 Bone Springs Div 9340 .0 .8 0* 2.2 1.2 183 Grave Springs 8560 .0 .2 0* .8 .7 114 Kirwin 9580 .3 .6 50* 2.5 1.0 250 Marquette 8800 .0 .1 0* 1.3 1.1 118 Middle Powder 7760 .2 .3 67* 1.0 .9 111 Owl Creek 8990 .0 .4 0* 1.8 .8 225 Powder River Pass 9480 .2 .2 100* 1.4 1.0 140 Shell Creek 9570 .6 1.2 50* 2.4 1.1 218 Timber Creek 7910 .0 .0 * 1.6 1.0 160 ----- ----- Basin Index (%) 62* 174 SHOSHONE RIVER Blackwater 9840 .9 .9 100* 2.0 1.3 154 Evening Star 9040 .4 .7 57* 2.5 1.4 179 Marquette 8800 .0 .1 0* 1.3 1.1 118 Sylvan Lake 8440 .3 .2 150* 2.6 1.4 186 Sylvan Road 7140 .0 .0 * 1.8 .9 200 Younts Peak 8340 .2 .0 * 3.5 .7 500 ----- ----- Basin Index (%) 95* 201 POWDER RIVER Bear Trap Meadow 8200 .3 .0 * 1.2 .9 133 Cloud Peak Reservoir 9830 .1 .5 20* 1.4 1.3 108 Grave Springs 8560 .0 .2 0* .8 .7 114 Hansen Sawmill 8360 .0 .0 * 2.0 .9 222 Middle Powder 7760 .2 .3 67* 1.0 .9 111 Powder River Pass 9480 .2 .2 100* 1.4 1.0 140 Soldier Park 8680 .0 .1 0* 1.5 1.0 150 ----- ----- Basin Index (%) 62* 139 TONGUE RIVER Big Goose 8010 .3 .2 150* 1.9 1.2 158 Bone Springs Div 9340 .0 .8 0* 2.2 1.2 183 Burgess Junction 7900 .1 .3 33* 2.0 1.1 182 Dome Lake 8890 .2 .4 50* 2.1 1.1 191 Little Goose 8560 .2 .4 50* 1.6 1.3 123 Sucker Creek 8840 .3 .5 60* 2.0 1.0 200 Tie Creek 7050 .1 .0 * 1.8 1.0 180 ----- ----- Basin Index (%) 46* 172 BELLE FOURCHE Blind Park 6900 .1 .0 * 1.0 .8 125 Cole Canyon 5930 .0 .0 * 1.6 .8 200 North Rapid Creek 6150 .1 .0 * .6 .6 100 ----- ----- Basin Index (%) * 145 CHEYENNE RIVER BASIN Blind Park 6900 .1 .0 * 1.0 .8 125 North Rapid Creek 6150 .1 .0 * .6 .6 100 ----- ----- Basin Index (%) * 114 UPPER N. PLATTE Arapaho Ridge 10960 .0 .6 0* 1.3 1.0 130 Blackhall Mtn 9830 .4 .8 50* 1.7 1.4 121 Cinnabar Park 9670 .2 .3 67* 1.0 .8 125 Columbine 9170 .3 .0 * .7 1.2 58 Divide Peak 8700 .5 .0 * 1.5 1.4 107 Joe Wright 10140 .1 .4 25* 1.1 1.5 73 Laprele Creek 8370 .1 .0 * 2.2 .6 367 Med Bow 10500 .3 -M * 2.2 -M * Never Summer 10300 .2 .8 25* .7 1.2 58 North French Creek 10150 .5 .6 83* 1.8 1.4 129 Old Battle 9850 .5 .6 83* 2.8 1.4 200 Rawah 9100 .0 .2 0* 1.0 1.2 83 Sage Creek Basin 7830 .1 .0 * .9 .9 100 Sand Lake 10080 .3 .7 43* 1.6 1.2 133 South Brush Creek 8480 .0 .0 * 1.1 .8 138 Tower 10610 .5 .9 56* 1.4 1.6 88 Webber Springs 9250 .4 .0 * 2.1 1.2 175 Whiskey Park 8950 .5 .0 * 2.1 1.3 162 Willow Creek Pass 9520 .1 .0 * .8 .8 100 Zirkel 9320 .1 .0 * 1.3 1.6 81 ----- ----- Basin Index (%) 81* 120 SWEETWATER Deer Park 9690 .1 .5 20* .4 1.1 36 Larsen Creek 8880 .4 .0 * .9 .7 129 South Pass 9040 .3 .0 * .5 .8 62 ----- ----- Basin Index (%) 160* 69 LOWER N. PLATTE Casper Mtn. 7940 .2 .2 100* 1.2 .9 133 Laprele Creek 8370 .1 .0 * 2.2 .6 367 Reno Hill 8410 .0 .4 0* 1.2 1.0 120 Windy Peak 7900 .0 .0 * 1.3 .6 217 ----- ----- Basin Index (%) 50* 190 LARAMIE RIVER Brooklyn Lake 10250 .1 .2 50* .9 .8 112 Cinnabar Park 9670 .2 .3 67* 1.0 .8 125 Crow Creek 8320 .0 .0 * 1.2 .6 200 Deadman Hill 10240 .3 .6 50* .7 .8 88 Rawah 9100 .0 .2 0* 1.0 1.2 83 Roach 9710 .2 .0 * .7 .9 78 Windy Peak 7900 .0 .0 * 1.3 .6 217 ----- ----- Basin Index (%) 62* 119 S. PLATTE Crow Creek 8320 .0 .0 * 1.2 .6 200 ----- ----- Basin Index (%) * 200 LITTLE SNAKE RIVER Battle Mountain 7460 .0 .0 * 1.6 .8 200 Divide Peak 8700 .5 .0 * 1.5 1.4 107 Elk River 8710 .7 .0 * 2.1 1.1 191 Elkhead Divide 8780 .4 -M * 2.0 -M * Little Snake River 8930 .4 .0 * 2.2 1.7 129 Old Battle 9850 .5 .6 83* 2.8 1.4 200 Sage Creek Basin 7830 .1 .0 * .9 .9 100 Sandstone RS 8150 .0 .0 * 1.5 .9 167 Whiskey Park 8950 .5 .0 * 2.1 1.3 162 ----- ----- Basin Index (%) 450* 155 UPPER GREEN RIVER Big Sandy Opening 9100 .7 .2 350* .8 .8 100 Blind Bull Sum 8880 .0 .1 0* 1.3 .8 162 East Rim Divide 8010 .0 .0 * 1.3 .4 325 Elkhart Park G.S. 9410 .0 .0 * 1.4 1.0 140 Gros Ventre Summit 8760 .0 .1 0* -M .8 * Gunsight Pass 9830 .7 .0 * 2.1 .8 262 Indian Creek 9400 .2 .2 100* 2.0 .8 250 Kendall R.S. 7790 .0 .0 * 1.7 .5 340 Larsen Creek 8880 .4 .0 * .9 .7 129 Loomis Park 8240 .0 .0 * 1.5 .6 250 New Fork Lake 8380 .0 .0 * -M .4 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .0 .0 * .4 .5 80 Spring Creek Divide 9020 .0 .2 0* 1.6 .7 229 Triple Peak 8520 .2 .0 * 1.5 .8 188 ----- ----- Basin Index (%) 275* 196 LOWER GREEN RIVER Blacks Fork Jct 8880 .1 -M * .6 -M * Buck Pasture 9620 .0 -M * 1.1 -M * EF Blacks Fork GS 9360 .0 -M * .5 -M * Hams Fork 7870 .0 .0 * .9 .4 225 Henrys Fork 10180 -M -M * .7 -M * Hewinta 9510 .0 .0 * .5 .8 62 Hickerson Park 9130 .0 .0 * 1.2 .6 200 Hole-in-Rock 9170 .0 .0 * .6 .8 75 Indian Creek 9400 .2 .2 100* 2.0 .8 250 Kelley R.S. 8240 .0 .0 * 1.8 .6 300 Spirit Lk 10240 .0 .0 * 2.8 1.0 280 Steel Creek Park 10140 .0 .2 0* .8 .9 89 ----- ----- Basin Index (%) 50* 180 UPPER BEAR RIVER Bear River RS 8510 .0 -M * .8 -M * Bug Lake 7980 .0 .0 * 1.7 .6 283 Burts Miller Ranch 7900 .0 .0 * .6 .3 200 Chalk Creek #1 9160 .3 .0 * 1.8 1.0 180 Giveout 6940 .0 .0 * 1.3 .6 217 Hayden Fork 9160 .0 .0 * 1.4 1.0 140 Kelley R.S. 8240 .0 .0 * 1.8 .6 300 Lily Lake 9130 .0 .0 * .8 1.0 80 Monte Cristo 8930 .3 .0 * 2.3 .8 288 Salt River Summit 7630 .0 .0 * 1.4 .7 200 Spring Creek Divide 9020 .0 .2 0* 1.6 .7 229 Trial Lake 9970 .8 .0 * 1.5 .8 188 ----- ----- Basin Index (%) 700* 200 ----------------------------------------------------------------------------- -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.