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 16 , 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 * 3.2 1.2 267 Blind Bull Sum 8880 .0 .2 0* 1.5 .9 167 Cottonwood Creek 7710 .0 .0 * 2.5 1.4 179 East Rim Divide 8010 .0 .0 * 1.7 .6 283 Grand Targhee 9260 1.3 1.6 81* 4.2 2.5 168 Granite Creek 6770 .0 .0 * 2.0 .7 286 Grassy Lake 7330 .0 .0 * 2.6 1.6 162 Gros Ventre Summit 8760 .0 .2 0* -M 1.0 * Gunsight Pass 9830 1.0 .2 500* 2.9 1.1 264 Lewis Lake Divide 7880 .0 .0 * 2.5 1.5 167 Loomis Park 8240 .0 .0 * 1.8 .9 200 Phillips Bench 8160 .0 .0 * 2.8 1.2 233 Salt River Summit 7630 .0 .0 * 1.8 .8 225 Snake River Station 6900 .0 .0 * 2.2 1.0 220 Somsen Ranch 6830 .1 .0 * 2.8 .9 311 Spring Creek Divide 9020 .3 .2 150* 2.3 1.0 230 Thumb Divide 7970 .1 .0 * 2.7 1.1 245 Togwotee Pass 9590 .7 1.0 70* 3.4 1.4 243 Triple Peak 8520 .2 .0 * 2.1 1.0 210 Two Ocean Plateau 9240 1.6 1.4 114* 3.5 1.6 219 Willow Creek 8060 .0 .0 * 3.4 1.8 189 Younts Peak 8340 .2 .2 100* 4.2 1.0 420 ----- ----- Basin Index (%) 110* 223 MADISON HEADWATERS IN WYOMING Black Bear 8160 .9 1.0 90* 3.3 2.0 165 Canyon 7870 .1 .0 * 2.0 1.2 167 Madison Plateau 7710 .2 .3 67* 2.8 1.6 175 West Yellowstone 6680 .2 .0 * 2.1 .8 262 Whiskey Creek 6790 .2 .0 * 2.7 1.2 225 ----- ----- Basin Index (%) 123* 190 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 1.1 1.1 100* 2.3 1.2 192 Canyon 7870 .1 .0 * 2.0 1.2 167 Evening Star 9040 .7 1.0 70* 3.3 1.8 183 Fisher Creek 9110 1.4 1.2 117* 3.7 1.8 206 Monument Peak 8740 1.0 1.0 100* 3.4 1.6 212 Northeast Entrance 7420 .0 .0 * 2.6 .8 325 Parker Peak 9420 1.0 1.2 83* 3.0 1.5 200 Sylvan Lake 8440 .4 .4 100* 3.6 1.8 200 Thumb Divide 7970 .1 .0 * 2.7 1.1 245 Two Ocean Plateau 9240 1.6 1.4 114* 3.5 1.6 219 White Mill 8730 1.0 .8 125* 2.9 1.3 223 Wolverine 7650 .0 .0 * 1.8 1.1 164 ----- ----- Basin Index (%) 104* 207 WIND RIVER Burroughs Creek 8760 .0 -M * 3.6 -M * Castle Creek 8410 .3 .0 * 1.5 .7 214 Cold Springs 9640 .1 .0 * 1.8 .8 225 Deer Park 9690 .1 .4 25* .7 1.3 54 Hobbs Park 10080 .0 .7 0* 1.3 1.0 130 Kirwin 9580 .3 .8 38* 2.9 1.1 264 Little Warm 9370 .5 .2 250* 2.6 1.0 260 South Pass 9040 .2 .0 * .6 1.0 60 St. Lawrence Alt 8610 .0 -M * 1.1 -M * Togwotee Pass 9590 .7 1.0 70* 3.4 1.4 243 Townsend Creek 8720 .1 .0 * 1.3 1.0 130 ----- ----- Basin Index (%) 74* 173 BIGHORN BASIN Bald Mtn. 9360 1.4 1.8 78* 3.4 1.4 243 Bear Trap Meadow 8200 .2 .1 200* 2.0 1.1 182 Bone Springs Div 9340 .0 1.2 0* 2.4 1.6 150 Grave Springs 8560 .2 .0 * 2.2 1.0 220 Kirwin 9580 .3 .8 38* 2.9 1.1 264 Marquette 8800 .4 .3 133* 1.6 1.2 133 Middle Powder 7760 .3 .3 100* 2.0 1.0 200 Owl Creek 8990 .0 .1 0* 1.8 .9 200 Powder River Pass 9480 .1 .4 25* 2.3 1.2 192 Shell Creek 9570 .5 1.6 31* 2.8 1.2 233 Timber Creek 7910 .0 .0 * 2.0 1.1 182 ----- ----- Basin Index (%) 52* 198 SHOSHONE RIVER Blackwater 9840 1.5 1.4 107* 2.6 1.6 162 Evening Star 9040 .7 1.0 70* 3.3 1.8 183 Marquette 8800 .4 .3 133* 1.6 1.2 133 Sylvan Lake 8440 .4 .4 100* 3.6 1.8 200 Sylvan Road 7140 .1 .0 * 2.5 1.2 208 Younts Peak 8340 .2 .2 100* 4.2 1.0 420 ----- ----- Basin Index (%) 100* 207 POWDER RIVER Bear Trap Meadow 8200 .2 .1 200* 2.0 1.1 182 Cloud Peak Reservoir 9830 .1 .6 17* 2.3 1.5 153 Grave Springs 8560 .2 .0 * 2.2 1.0 220 Hansen Sawmill 8360 .0 .0 * 2.5 1.0 250 Middle Powder 7760 .3 .3 100* 2.0 1.0 200 Powder River Pass 9480 .1 .4 25* 2.3 1.2 192 Soldier Park 8680 .1 .0 * 2.0 1.2 167 ----- ----- Basin Index (%) 71* 191 TONGUE RIVER Big Goose 8010 .3 .2 150* 2.0 1.2 167 Bone Springs Div 9340 .0 1.2 0* 2.4 1.6 150 Burgess Junction 7900 .1 .4 25* 2.2 1.2 183 Dome Lake 8890 .2 .6 33* 2.4 1.4 171 Little Goose 8560 .2 .1 200* 2.2 1.4 157 Sucker Creek 8840 .2 .4 50* 2.3 1.3 177 Tie Creek 7050 .2 .0 * 2.0 1.1 182 ----- ----- Basin Index (%) 41* 168 BELLE FOURCHE Blind Park 6900 .3 .0 * 2.1 1.0 210 Cole Canyon 5930 .0 .0 * 1.9 .8 238 North Rapid Creek 6150 .2 .0 * 1.6 .8 200 ----- ----- Basin Index (%) * 215 CHEYENNE RIVER BASIN Blind Park 6900 .3 .0 * 2.1 1.0 210 North Rapid Creek 6150 .2 .0 * 1.6 .8 200 ----- ----- Basin Index (%) * 206 UPPER N. PLATTE Arapaho Ridge 10960 .1 1.0 10* 1.4 1.4 100 Blackhall Mtn 9830 .1 1.0 10* 2.2 1.5 147 Cinnabar Park 9670 .0 .1 0* .9 .9 100 Columbine 9170 .3 .0 * 1.1 1.4 79 Divide Peak 8700 .3 .0 * 1.8 1.4 129 Joe Wright 10140 .2 .1 200* 1.2 1.8 67 Laprele Creek 8370 .1 .0 * 2.4 .7 343 Med Bow 10500 .0 -M * 2.5 -M * Never Summer 10300 .1 .8 12* .8 1.5 53 North French Creek 10150 .1 .2 50* 2.2 1.6 138 Old Battle 9850 .2 .7 29* 3.8 1.7 224 Rawah 9100 .0 .0 * 1.0 1.5 67 Sage Creek Basin 7830 .1 .0 * 1.2 1.0 120 Sand Lake 10080 .1 .9 11* 2.1 1.2 175 South Brush Creek 8480 .0 .0 * 1.2 .8 150 Tower 10610 .0 .4 0* 1.9 2.0 95 Webber Springs 9250 .2 .0 * 2.8 1.4 200 Whiskey Park 8950 .1 .0 * 2.7 1.4 193 Willow Creek Pass 9520 .1 .0 * .9 1.0 90 Zirkel 9320 .1 .0 * 1.9 1.8 106 ----- ----- Basin Index (%) 42* 129 SWEETWATER Deer Park 9690 .1 .4 25* .7 1.3 54 Larsen Creek 8880 .4 .0 * 1.0 .8 125 South Pass 9040 .2 .0 * .6 1.0 60 ----- ----- Basin Index (%) 175* 74 LOWER N. PLATTE Casper Mtn. 7940 .1 .0 * 1.3 1.0 130 Laprele Creek 8370 .1 .0 * 2.4 .7 343 Reno Hill 8410 .1 .4 25* 1.4 1.2 117 Windy Peak 7900 .0 .0 * 2.0 .6 333 ----- ----- Basin Index (%) 75* 203 LARAMIE RIVER Brooklyn Lake 10250 .2 .0 * 1.1 .8 138 Cinnabar Park 9670 .0 .1 0* .9 .9 100 Crow Creek 8320 .0 .0 * 1.2 .8 150 Deadman Hill 10240 .2 .7 29* .8 1.0 80 Rawah 9100 .0 .0 * 1.0 1.5 67 Roach 9710 .2 .2 100* .9 1.1 82 Windy Peak 7900 .0 .0 * 2.0 .6 333 ----- ----- Basin Index (%) 60* 118 S. PLATTE Crow Creek 8320 .0 .0 * 1.2 .8 150 ----- ----- Basin Index (%) * 150 LITTLE SNAKE RIVER Battle Mountain 7460 .3 .0 * 2.3 .9 256 Divide Peak 8700 .3 .0 * 1.8 1.4 129 Elk River 8710 .2 .0 * 3.2 1.2 267 Elkhead Divide 8780 .1 -M * 3.4 -M * Little Snake River 8930 .1 .0 * 2.9 1.8 161 Old Battle 9850 .2 .7 29* 3.8 1.7 224 Sage Creek Basin 7830 .1 .0 * 1.2 1.0 120 Sandstone RS 8150 .0 .0 * 2.3 1.0 230 Whiskey Park 8950 .1 .0 * 2.7 1.4 193 ----- ----- Basin Index (%) 186* 194 UPPER GREEN RIVER Big Sandy Opening 9100 .6 .2 300* 1.0 1.0 100 Blind Bull Sum 8880 .0 .2 0* 1.5 .9 167 East Rim Divide 8010 .0 .0 * 1.7 .6 283 Elkhart Park G.S. 9410 .0 .1 0* 2.1 1.0 210 Gros Ventre Summit 8760 .0 .2 0* -M 1.0 * Gunsight Pass 9830 1.0 .2 500* 2.9 1.1 264 Indian Creek 9400 .5 .4 125* 2.7 1.0 270 Kendall R.S. 7790 .1 .0 * 2.3 .7 329 Larsen Creek 8880 .4 .0 * 1.0 .8 125 Loomis Park 8240 .0 .0 * 1.8 .9 200 New Fork Lake 8380 .0 .0 * -M .6 * Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .0 .0 * 1.0 .6 167 Spring Creek Divide 9020 .3 .2 150* 2.3 1.0 230 Triple Peak 8520 .2 .0 * 2.1 1.0 210 ----- ----- Basin Index (%) 207* 211 LOWER GREEN RIVER Blacks Fork Jct 8880 .3 -M * .8 -M * Buck Pasture 9620 .0 -M * 1.6 -M * EF Blacks Fork GS 9360 .3 -M * 1.0 -M * Hams Fork 7870 .0 .0 * 1.2 .6 200 Henrys Fork 10180 -M -M * 1.9 -M * Hewinta 9510 .2 .0 * .8 1.0 80 Hickerson Park 9130 .2 .0 * 1.4 .7 200 Hole-in-Rock 9170 .0 .0 * .9 .8 112 Indian Creek 9400 .5 .4 125* 2.7 1.0 270 Kelley R.S. 8240 .1 .0 * 2.4 .7 343 Spirit Lk 10240 .1 .0 * 3.6 1.0 360 Steel Creek Park 10140 .0 .0 * 1.2 1.0 120 ----- ----- Basin Index (%) 275* 209 UPPER BEAR RIVER Bear River RS 8510 .0 -M * .9 -M * Bug Lake 7980 .0 .0 * 2.6 .6 433 Burts Miller Ranch 7900 .0 .0 * .8 .4 200 Chalk Creek #1 9160 .7 .0 * 2.6 1.2 217 Giveout 6940 .0 .0 * 1.8 .7 257 Hayden Fork 9160 .0 .0 * 1.6 1.0 160 Kelley R.S. 8240 .1 .0 * 2.4 .7 343 Lily Lake 9130 .0 .0 * 1.1 1.1 100 Monte Cristo 8930 .6 .0 * 3.5 .9 389 Salt River Summit 7630 .0 .0 * 1.8 .8 225 Spring Creek Divide 9020 .3 .2 150* 2.3 1.0 230 Trial Lake 9970 1.1 .0 * 1.8 .9 200 ----- ----- Basin Index (%) 1400* 240 ----------------------------------------------------------------------------- -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.