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 FRIDAY: OCTOBER 23 , 2026 ------------------------------------------------------------------------------ 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 * 1.9 1.5 127 Blind Bull Sum 8880 .0 .7 0* 1.9 1.3 146 Cottonwood Creek 7710 .0 .0 * 2.9 1.8 161 East Rim Divide 8010 .0 .0 * 2.0 .9 222 Grand Targhee 9260 .0 2.5 0* 2.1 3.4 62 Granite Creek 6770 .0 .0 * 2.6 1.2 217 Grassy Lake 7330 .0 .2 0* 1.6 2.2 73 Gros Ventre Summit 8760 .0 .9 0* 3.7 1.3 285 Gunsight Pass 9820 .0 .6 0* 2.3 1.5 153 Lewis Lake Divide 7880 .0 .0 * 1.7 2.1 81 Loomis Park 8240 .0 .2 0* 3.6 1.4 257 Phillips Bench 8170 .0 .1 0* 2.5 1.9 132 Salt River Summit 7630 .1 .0 * 1.5 1.2 125 Snake River Station 6900 .0 .0 * 1.5 1.4 107 Somsen Ranch 6830 .0 .0 * 2.2 1.3 169 Spring Creek Divide 9020 .1 .5 20* 2.4 1.2 200 Thumb Divide 7970 .0 .0 * 1.6 1.4 114 Togwotee Pass 9590 .1 1.6 6* 2.3 2.0 115 Triple Peak 8520 .0 .4 0* 1.9 1.6 119 Two Ocean Plateau 9240 .0 2.4 0* 2.0 2.2 91 Willow Creek 8060 .0 .2 0* 2.3 2.4 96 Younts Peak 8340 .3 .7 43* 2.7 1.4 193 ----- ----- Basin Index (%) 5* 134 MADISON HEADWATERS IN WYOMING Black Bear 8160 .0 1.8 0* 1.4 2.8 50 Canyon 7870 .1 .4 25* 1.3 1.4 93 Madison Plateau 7710 .1 .7 14* 1.4 1.8 78 West Yellowstone 6680 .2 .0 * 1.4 1.1 127 Whiskey Creek 6790 .1 .0 * 1.6 1.4 114 ----- ----- Basin Index (%) 17* 84 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 .5 1.6 31* .7 1.5 47 Canyon 7870 .1 .4 25* 1.3 1.4 93 Evening Star 9030 .1 1.3 8* 1.4 2.3 61 Fisher Creek 9110 .3 1.8 17* 1.8 2.4 75 Monument Peak 8740 .5 1.3 38* 1.8 1.9 95 Northeast Entrance 7420 .0 .0 * 1.0 1.2 83 Parker Peak 9420 .1 1.4 7* .8 2.0 40 Sylvan Lake 8440 .0 1.0 0* 1.7 2.0 85 Thumb Divide 7970 .0 .0 * 1.6 1.4 114 Two Ocean Plateau 9240 .0 2.4 0* 2.0 2.2 91 White Mill 8730 .0 1.2 0* 1.4 1.8 78 Wolverine 7660 .0 .0 * .8 1.4 57 ----- ----- Basin Index (%) 13* 76 WIND RIVER Burroughs Creek 8760 .0 -M * 2.8 -M * Castle Creek 8410 .0 .0 * 1.8 1.1 164 Cold Springs 9640 .0 .3 0* 1.8 1.3 138 Deer Park 9690 .1 .8 12* 3.9 1.4 279 Hobbs Park 10080 .3 1.3 23* 2.0 1.6 125 Kirwin 9580 .0 1.2 0* 1.9 1.4 136 Little Warm 9370 .0 .8 0* 2.2 1.3 169 South Pass 9040 .0 .5 0* 2.4 1.5 160 St. Lawrence Alt 8610 .2 -M * 1.4 -M * Togwotee Pass 9590 .1 1.6 6* 2.3 2.0 115 Townsend Creek 8720 .1 .2 50* 2.2 1.5 147 ----- ----- Basin Index (%) 9* 156 BIGHORN BASIN Bald Mtn. 9360 .2 2.2 9 2.0 2.1 95 Bear Trap Meadow 8200 .0 .3 0* 1.1 1.2 92 Bone Springs Div 9340 .2 1.6 12* 1.3 2.0 65 Grave Springs 8560 .1 .4 25* 1.7 1.2 142 Kirwin 9580 .0 1.2 0* 1.9 1.4 136 Marquette 8800 .1 .7 14* 1.0 1.5 67 Middle Powder 7760 .0 .4 0* 1.3 1.6 81 Owl Creek 8990 .0 .4 0* 1.3 1.0 130 Powder River Pass 9480 .1 1.0 10* 1.4 1.6 88 Shell Creek 9570 .0 2.4 0 1.4 2.0 70 Timber Creek 7910 .0 .2 0* 1.5 1.4 107 ----- ----- Basin Index (%) 6* 94 SHOSHONE RIVER Blackwater 9830 .4 1.7 24* 1.9 2.0 95 Evening Star 9030 .1 1.3 8* 1.4 2.3 61 Marquette 8800 .1 .7 14* 1.0 1.5 67 Sylvan Lake 8440 .0 1.0 0* 1.7 2.0 85 Sylvan Road 7140 .0 .0 * 1.5 1.4 107 Younts Peak 8340 .3 .7 43* 2.7 1.4 193 ----- ----- Basin Index (%) 17* 96 POWDER RIVER Bear Trap Meadow 8200 .0 .3 0* 1.1 1.2 92 Cloud Peak Reservoir 9830 .1 1.2 8* 1.1 2.0 55 Grave Springs 8560 .1 .4 25* 1.7 1.2 142 Hanson Sawmill 8360 .1 .0 * .7 1.3 54 Middle Powder 7760 .0 .4 0* 1.3 1.6 81 Powder River Pass 9480 .1 1.0 10* 1.4 1.6 88 Soldier Park 8680 .1 .0 * .7 1.5 47 ----- ----- Basin Index (%) 15* 77 TONGUE RIVER Big Goose 8010 .0 .4 0* .8 1.5 53 Bone Springs Div 9340 .2 1.6 12* 1.3 2.0 65 Burgess Junction 7910 .1 .8 12* 1.0 1.8 56 Dome Lake 8890 .1 1.0 10* 1.1 1.9 58 Little Goose 8560 .1 .0 * .9 1.6 56 Sucker Creek 8840 .1 1.1 9* .8 1.6 50 Tie Creek 7050 .1 .0 * .8 1.6 50 ----- ----- Basin Index (%) 14* 56 BELLE FOURCHE Blind Park 6900 .1 .0 * .2 1.3 15 Cole Canyon 5930 .1 .0 * .5 1.2 42 North Rapid Creek 6150 .1 .0 * .3 1.1 27 ----- ----- Basin Index (%) * 28 CHEYENNE RIVER BASIN Blind Park 6900 .1 .0 * .2 1.3 15 North Rapid Creek 6150 .1 .0 * .3 1.1 27 ----- ----- Basin Index (%) * 21 UPPER N. PLATTE Arapaho Ridge 10960 .1 1.6 6* 2.1 2.2 95 Blackhall Mtn 9830 .1 1.6 6* 1.9 3.2 59 Cinnabar Park 9670 .0 .8 0* 1.2 1.8 67 Columbine 9170 .6 .0 * 2.0 2.0 100 Divide Peak 8700 .3 .6 50* 2.8 2.3 122 Joe Wright 10140 .2 .8 25* .8 2.6 31 Laprele Creek 8370 .3 .0 * 1.3 1.2 108 Med Bow 10500 .1 -M * 1.4 -M * Never Summer 10300 2.3 1.6 144* .9 1.9 47 North French Creek 10150 1.3 1.1 118* 1.2 2.2 55 Old Battle 9840 .2 1.2 17* 3.7 2.6 142 Rawah 9100 .0 .3 0* 1.5 2.0 75 Sage Creek Basin 7830 .1 .0 * 2.8 1.7 165 Sand Lake 10080 1.1 2.0 55* 2.0 2.1 95 South Brush Creek 8480 .0 .2 0* .9 1.5 60 Tower 10610 .0 1.2 0* 2.8 2.8 100 Webber Springs 9250 .2 .5 40* 3.3 2.3 143 Whiskey Park 8950 .1 .4 25* 1.8 2.4 75 Willow Creek Pass 9520 .6 .4 150* .9 1.4 64 Zirkel 9320 .1 .2 50* 1.7 2.6 65 ----- ----- Basin Index (%) 52* 87 SWEETWATER Deer Park 9690 .1 .8 12* 3.9 1.4 279 Larsen Creek 8880 .0 .0 * 2.5 1.2 208 South Pass 9040 .0 .5 0* 2.4 1.5 160 ----- ----- Basin Index (%) 8* 215 LOWER N. PLATTE Casper Mtn. 7940 .1 .1 100* 1.6 1.4 114 Laprele Creek 8370 .3 .0 * 1.3 1.2 108 Reno Hill 8410 .5 .6 83* 1.9 1.6 119 Windy Peak 7890 .0 .0 * 1.2 1.1 109 ----- ----- Basin Index (%) 129* 113 LARAMIE RIVER Brooklyn Lake 10250 .1 .3 33* 1.6 1.4 114 Cinnabar Park 9670 .0 .8 0* 1.2 1.8 67 Crow Creek 8320 1.2 .0 * 1.4 1.5 93 Deadman Hill 10240 .1 1.2 8* 1.2 2.0 60 Rawah 9100 .0 .3 0* 1.5 2.0 75 Roach 9710 .0 .6 0* 1.4 1.8 78 Windy Peak 7890 .0 .0 * 1.2 1.1 109 ----- ----- Basin Index (%) 44* 82 S. PLATTE Crow Creek 8320 1.2 .0 * 1.4 1.5 93 ----- ----- Basin Index (%) * 93 LITTLE SNAKE RIVER Battle Mountain 7460 .4 .0 * 2.1 1.4 150 Divide Peak 8700 .3 .6 50* 2.8 2.3 122 Elk River 8710 .2 .0 * 2.2 1.8 122 Elkhead Divide 8780 .1 -M * 2.8 -M * Little Snake River 8930 .1 .2 50* 2.1 2.8 75 Old Battle 9840 .2 1.2 17* 3.7 2.6 142 Sage Creek Basin 7830 .1 .0 * 2.8 1.7 165 Sandstone RS 8150 .0 .0 * 2.0 1.5 133 Whiskey Park 8950 .1 .4 25* 1.8 2.4 75 ----- ----- Basin Index (%) 58* 118 UPPER GREEN RIVER Big Sandy Opening 9100 .0 .8 0* 2.5 1.2 208 Blind Bull Sum 8880 .0 .7 0* 1.9 1.3 146 East Rim Divide 8010 .0 .0 * 2.0 .9 222 Elkhart Park G.S. 9410 .0 .6 0* 1.4 1.4 100 Gros Ventre Summit 8760 .0 .9 0* 3.7 1.3 285 Gunsight Pass 9820 .0 .6 0* 2.3 1.5 153 Indian Creek 9400 .1 1.0 10* 1.9 1.6 119 Kendall R.S. 7790 .0 .0 * 2.8 1.2 233 Larsen Creek 8880 .0 .0 * 2.5 1.2 208 Loomis Park 8240 .0 .2 0* 3.6 1.4 257 New Fork Lake 8380 .0 .0 * 2.3 1.0 230 Pocket Creek 9370 -M -M * -M -M * Snider Basin 8080 .0 .0 * 2.6 1.0 260 Spring Creek Divide 9020 .1 .5 20* 2.4 1.2 200 Triple Peak 8520 .0 .4 0* 1.9 1.6 119 ----- ----- Basin Index (%) 4* 190 LOWER GREEN RIVER Blacks Fork Jct 8880 .0 .0 * 1.2 1.1 109 Buck Pasture 9630 .0 -M * 3.1 -M * EF Blacks Fork GS 9360 .0 .0 * 1.6 1.2 133 Hams Fork 7860 .0 .0 * 1.7 1.1 155 Henrys Fork 10180 -M -M * 2.9 -M * Hewinta 9510 .0 .0 * 1.6 1.3 123 Hickerson Park 9120 .0 .0 * 2.0 1.0 200 Hole-in-Rock 9170 .0 .0 * 2.1 1.4 150 Indian Creek 9400 .1 1.0 10* 1.9 1.6 119 Kelley R.S. 8240 -M .1 * -M 1.3 * Spirit Lk 10240 .0 .0 * 6.1 1.4 436 Steel Creek Park 10140 .0 .7 0* 2.2 1.6 138 ----- ----- Basin Index (%) 6* 174 UPPER BEAR RIVER Bear River RS 8510 .0 .0 * 1.6 1.0 160 Bug Lake 7980 .0 .0 * 2.4 1.3 185 Burts Miller Ranch 7900 .0 .0 * 1.4 .7 200 Chalk Creek #1 9160 .0 .0 * 4.2 1.8 233 Giveout 6940 .1 .0 * 2.4 1.1 218 Hayden Fork 9170 .0 .0 * 3.2 1.8 178 Kelley R.S. 8240 -M .1 * -M 1.3 * Lily Lake 9130 .0 .0 * 1.7 1.5 113 Monte Cristo 8930 .3 .0 * 3.2 1.7 188 Salt River Summit 7630 .1 .0 * 1.5 1.2 125 Spring Creek Divide 9020 .1 .5 20* 2.4 1.2 200 Trial Lake 9970 .0 .2 0* 3.6 1.5 240 ----- ----- Basin Index (%) 86* 186 ---------------------------------------------------------------------------- -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.