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 SATURDAY: OCTOBER 11 , 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 * 1.7 .8 212 Blind Bull Sum 8880 .0 .0 * 1.5 .7 214 Cottonwood Creek 7710 .0 .0 * 1.4 .8 175 East Rim Divide 8010 .0 .0 * 1.2 .4 300 Grand Targhee 9260 .0 1.3 0* 1.8 1.8 100 Granite Creek 6770 .0 .0 * 1.1 .5 220 Grassy Lake 7330 .0 .0 * .5 1.0 50 Gros Ventre Summit 8760 .0 .0 * -M .6 * Gunsight Pass 9830 .5 .0 * 1.5 .8 188 Lewis Lake Divide 7880 .0 .0 * .7 .8 88 Loomis Park 8240 .0 .0 * .7 .4 175 Phillips Bench 8160 .0 .0 * 1.1 .7 157 Salt River Summit 7630 .0 .0 * 1.1 .4 275 Snake River Station 6900 .0 .0 * .6 .7 86 Somsen Ranch 6830 .0 .0 * 1.9 .5 380 Spring Creek Divide 9020 .1 .0 * 1.2 .5 240 Thumb Divide 7970 .1 .0 * 1.2 .7 171 Togwotee Pass 9590 .0 .4 0* 1.7 .9 189 Triple Peak 8520 .2 .0 * 1.2 .7 171 Two Ocean Plateau 9240 .2 .8 25* 1.8 1.2 150 Willow Creek 8060 .0 .0 * 1.8 1.2 150 Younts Peak 8340 .2 .1 200* 3.1 .6 517 ----- ----- Basin Index (%) 50* 179 MADISON HEADWATERS IN WYOMING Black Bear 8160 .0 .5 0* .6 1.0 60 Canyon 7870 .0 .0 * .6 .7 86 Madison Plateau 7710 .0 .0 * .6 .8 75 West Yellowstone 6680 .1 .0 * .5 .6 83 Whiskey Creek 6790 .1 .0 * .6 .6 100 ----- ----- Basin Index (%) 40* 78 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 .1 .6 17* .9 .8 112 Canyon 7870 .0 .0 * .6 .7 86 Evening Star 9040 .1 .4 25* 1.7 1.2 142 Fisher Creek 9110 .0 .4 0* 1.0 1.1 91 Monument Peak 8740 .1 .4 25* 1.3 1.0 130 Northeast Entrance 7420 .0 .0 * .9 .6 150 Parker Peak 9420 .0 .6 0* 1.2 1.1 109 Sylvan Lake 8440 .2 .1 200* 1.1 1.2 92 Thumb Divide 7970 .1 .0 * 1.2 .7 171 Two Ocean Plateau 9240 .2 .8 25* 1.8 1.2 150 White Mill 8730 .0 .4 0* .9 .8 112 Wolverine 7650 .0 .0 * .8 .6 133 ----- ----- Basin Index (%) 22* 122 WIND RIVER Burroughs Creek 8760 .1 -M * 3.0 -M * Castle Creek 8410 .3 .0 * 1.1 .6 183 Cold Springs 9640 .1 .0 * 1.2 .6 200 Deer Park 9690 .0 .3 0* .4 .7 57 Hobbs Park 10080 .0 .5 0* .9 .6 150 Kirwin 9580 .7 .4 175* 2.1 .8 262 Little Warm 9370 .0 .0 * 1.7 .7 243 South Pass 9040 .1 .0 * .4 .7 57 St. Lawrence Alt 8610 .1 -M * 1.0 -M * Togwotee Pass 9590 .0 .4 0* 1.7 .9 189 Townsend Creek 8720 .1 .0 * .8 .8 100 ----- ----- Basin Index (%) 81* 161 BIGHORN BASIN Bald Mtn. 9360 1.5 1.2 125* 2.8 1.2 233 Bear Trap Meadow 8200 .1 .0 * 1.1 .7 157 Bone Springs Div 9340 .2 .8 25* 1.7 1.0 170 Grave Springs 8560 .2 .2 100* .9 .6 150 Kirwin 9580 .7 .4 175* 2.1 .8 262 Marquette 8800 .2 .0 * 1.3 .9 144 Middle Powder 7760 .2 .2 100* 1.1 .7 157 Owl Creek 8990 .5 .4 125* 1.9 .6 317 Powder River Pass 9480 .0 .2 0* .9 .9 100 Shell Creek 9570 .7 1.1 64* 1.7 1.0 170 Timber Creek 7910 .0 .0 * 1.8 .9 200 ----- ----- Basin Index (%) 96* 186 SHOSHONE RIVER Blackwater 9840 1.0 .8 125* 1.7 1.2 142 Evening Star 9040 .1 .4 25* 1.7 1.2 142 Marquette 8800 .2 .0 * 1.3 .9 144 Sylvan Lake 8440 .2 .1 200* 1.1 1.2 92 Sylvan Road 7140 .0 .0 * .9 .8 112 Younts Peak 8340 .2 .1 200* 3.1 .6 517 ----- ----- Basin Index (%) 121* 166 POWDER RIVER Bear Trap Meadow 8200 .1 .0 * 1.1 .7 157 Cloud Peak Reservoir 9830 .0 .2 0* 1.2 1.0 120 Grave Springs 8560 .2 .2 100* .9 .6 150 Hansen Sawmill 8360 .0 .0 * 1.6 .8 200 Middle Powder 7760 .2 .2 100* 1.1 .7 157 Powder River Pass 9480 .0 .2 0* .9 .9 100 Soldier Park 8680 .0 .0 * 1.5 .8 188 ----- ----- Basin Index (%) 62* 151 TONGUE RIVER Big Goose 8010 .2 .1 200* 1.4 .8 175 Bone Springs Div 9340 .2 .8 25* 1.7 1.0 170 Burgess Junction 7900 .1 .2 50* 1.6 1.0 160 Dome Lake 8890 .3 .4 75* 1.7 .9 189 Little Goose 8560 .1 .4 25* 1.5 1.2 125 Sucker Creek 8840 .2 .3 67* 1.6 .8 200 Tie Creek 7050 .1 .0 * 1.6 .8 200 ----- ----- Basin Index (%) 55* 171 BELLE FOURCHE Blind Park 6900 .0 .0 * .8 .7 114 Cole Canyon 5930 .0 .0 * 1.4 .6 233 North Rapid Creek 6150 .1 .0 * .5 .6 83 ----- ----- Basin Index (%) * 142 CHEYENNE RIVER BASIN Blind Park 6900 .0 .0 * .8 .7 114 North Rapid Creek 6150 .1 .0 * .5 .6 83 ----- ----- Basin Index (%) * 100 UPPER N. PLATTE Arapaho Ridge 10960 .1 .2 50* .6 .8 75 Blackhall Mtn 9830 .1 .6 17* .7 1.0 70 Cinnabar Park 9670 .0 .1 0* .3 .7 43 Columbine 9170 .3 .0 * .6 .8 75 Divide Peak 8700 .3 .0 * .8 1.0 80 Joe Wright 10140 .2 .2 100* .5 1.0 50 Laprele Creek 8370 .0 .0 * 1.8 .5 360 Med Bow 10500 .1 -M * 1.4 -M * Never Summer 10300 .1 .6 17* .4 .8 50 North French Creek 10150 .1 .2 50* 1.2 1.0 120 Old Battle 9850 .1 .6 17* 1.6 1.0 160 Rawah 9100 .1 .0 * .5 1.0 50 Sage Creek Basin 7830 .0 .0 * .6 .6 100 Sand Lake 10080 .1 .4 25* 1.4 .7 200 South Brush Creek 8480 .0 .0 * .4 .6 67 Tower 10610 .1 .7 14* .7 1.2 58 Webber Springs 9250 .2 .0 * 1.4 1.0 140 Whiskey Park 8950 .1 .0 * .8 1.0 80 Willow Creek Pass 9520 .0 .0 * .3 .6 50 Zirkel 9320 .1 .0 * .8 1.0 80 ----- ----- Basin Index (%) 56* 94 SWEETWATER Deer Park 9690 .0 .3 0* .4 .7 57 Larsen Creek 8880 .5 .0 * .7 .7 100 South Pass 9040 .1 .0 * .4 .7 57 ----- ----- Basin Index (%) 200* 71 LOWER N. PLATTE Casper Mtn. 7940 .1 .2 50* 1.0 .7 143 Laprele Creek 8370 .0 .0 * 1.8 .5 360 Reno Hill 8410 .0 .4 0* 1.2 .8 150 Windy Peak 7900 .0 .0 * 1.4 .5 280 ----- ----- Basin Index (%) 17* 216 LARAMIE RIVER Brooklyn Lake 10250 .1 .0 * .6 .6 100 Cinnabar Park 9670 .0 .1 0* .3 .7 43 Crow Creek 8320 .0 .0 * 1.0 .5 200 Deadman Hill 10240 .2 .5 40* .5 .6 83 Rawah 9100 .1 .0 * .5 1.0 50 Roach 9710 .1 .0 * .3 .6 50 Windy Peak 7900 .0 .0 * 1.4 .5 280 ----- ----- Basin Index (%) 83* 102 S. PLATTE Crow Creek 8320 .0 .0 * 1.0 .5 200 ----- ----- Basin Index (%) * 200 LITTLE SNAKE RIVER Battle Mountain 7460 .3 .0 * .9 .8 112 Divide Peak 8700 .3 .0 * .8 1.0 80 Elk River 8710 .1 .0 * .8 1.0 80 Elkhead Divide 8780 .1 -M * .8 -M * Little Snake River 8930 .1 .0 * .7 1.2 58 Old Battle 9850 .1 .6 17* 1.6 1.0 160 Sage Creek Basin 7830 .0 .0 * .6 .6 100 Sandstone RS 8150 .0 .0 * .8 .7 114 Whiskey Park 8950 .1 .0 * .8 1.0 80 ----- ----- Basin Index (%) 167* 96 UPPER GREEN RIVER Big Sandy Opening 9100 .7 .0 * .8 .8 100 Blind Bull Sum 8880 .0 .0 * 1.5 .7 214 East Rim Divide 8010 .0 .0 * 1.2 .4 300 Elkhart Park G.S. 9410 .0 .0 * 1.2 .9 133 Gros Ventre Summit 8760 .0 .0 * -M .6 * Gunsight Pass 9830 .5 .0 * 1.5 .8 188 Indian Creek 9400 .2 .2 100* 1.7 .6 283 Kendall R.S. 7790 .1 .0 * 1.1 .4 275 Larsen Creek 8880 .5 .0 * .7 .7 100 Loomis Park 8240 .0 .0 * .7 .4 175 New Fork Lake 8380 .0 .0 * -M .4 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .1 .0 * .4 .4 100 Spring Creek Divide 9020 .1 .0 * 1.2 .5 240 Triple Peak 8520 .2 .0 * 1.2 .7 171 ----- ----- Basin Index (%) 1200* 181 LOWER GREEN RIVER Blacks Fork Jct 8880 .2 -M * .3 -M * Buck Pasture 9620 .0 -M * .7 -M * EF Blacks Fork GS 9360 .1 -M * .2 -M * Hams Fork 7870 .1 .0 * .7 .4 175 Henrys Fork 10180 -M -M * .2 -M * Hewinta 9510 .0 .0 * .2 .6 33 Hickerson Park 9130 .1 .0 * .5 .6 83 Hole-in-Rock 9170 .0 .0 * .3 .7 43 Indian Creek 9400 .2 .2 100* 1.7 .6 283 Kelley R.S. 8240 .1 .0 * 1.2 .6 200 Spirit Lk 10240 .0 .0 * 1.4 1.0 140 Steel Creek Park 10140 .0 .0 * .4 .6 67 ----- ----- Basin Index (%) 250* 125 UPPER BEAR RIVER Bear River RS 8510 .0 -M * .2 -M * Bug Lake 7980 .0 .0 * 1.1 .6 183 Burts Miller Ranch 7900 .2 .0 * .3 .3 100 Chalk Creek #1 9160 .2 .0 * 1.1 .9 122 Giveout 6940 .0 .0 * 1.0 .5 200 Hayden Fork 9160 .0 .0 * .6 .8 75 Kelley R.S. 8240 .1 .0 * 1.2 .6 200 Lily Lake 9130 .0 .0 * .3 .6 50 Monte Cristo 8930 .2 .0 * 1.6 .8 200 Salt River Summit 7630 .0 .0 * 1.1 .4 275 Spring Creek Divide 9020 .1 .0 * 1.2 .5 240 Trial Lake 9970 1.0 .0 * .9 .8 112 ----- ----- Basin Index (%) * 153 ----------------------------------------------------------------------------- -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.