157  
NOUS45 KRIW 281954  
PNSRIW  
WYZ001>020-022>030-290744-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
144 PM MDT THU AUG 28 2025  
   
..RAINFALL TOTALS FROM WEDNESDAY AUGUST 27TH  
 
MONSOONAL MOISTURE BROUGHT WETTING SHOWERS AND THUNDERSTORMS TO THE  
AREA WEDNESDAY, AUGUST 27TH. TRAINING STORMS BROUGHT LOCALLY HIGHER  
AMOUNTS TO SOME LOCATIONS, LIKE AROUND JEFFERY CITY IN FREMONT  
COUNTY. A SELECTION OF RAIN TOTAL REPORTS ARE LISTED BELOW, WHICH  
COVER THE TIMEFRAME OF WEDNESDAY THE 27TH THROUGH ABOUT 1PM MDT  
THURSDAY THE 28TH.  
   
..PRECIPITATION REPORTS  
 
LOCATION AMOUNT TIME/DATE ELEVATION (FT.)  
   
..WYOMING  
 
   
..BIG HORN COUNTY  
 
BONE SPRINGS DIV 0.20 IN 1000 AM 08/28 9350  
GREYBULL 12.9 ENE 0.03 IN 0600 AM 08/28 4169  
WILLOW CREEK 0.01 IN 1249 PM 08/28 4299  
BYRON 2.9 WSW T IN 0700 AM 08/28  
   
..FREMONT COUNTY  
 
RIVERTON 2.2 WSW 0.62 IN 0800 AM 08/28 5033  
RIVERTON 2 W 0.53 IN 0700 AM 08/28 5073  
LANDER 9.3 S 0.44 IN 0700 AM 08/28 5995  
RIVERTON 0.34 IN 0700 AM 08/28 4955  
LANDER 7WNW 0.32 IN 0700 AM 08/28 6042  
LANDER 6 SW 0.32 IN 0700 AM 08/28 6088  
RIVERTON 0.31 IN 0130 PM 08/28 4920  
DUBOIS 0.30 IN 0600 AM 08/28 6955  
LANDER 5.9 SSE 0.30 IN 0700 AM 08/28 5556  
SOUTH PASS CITY 8 W 0.29 IN 1250 PM 08/28 8120  
FORT WASHAKIE 3.7 SE 0.28 IN 0545 AM 08/28 5548  
MUDDY GAP 7 SW 0.28 IN 1250 PM 08/28 7379  
RED CANYON RANCH NC LANDER 1 0.24 IN 0110 PM 08/28 5777  
ELKHORN 0.22 IN 1257 PM 08/28 8084  
RIVERTON - CWC 0.22 IN 0130 PM 08/28 5372  
1 W RIVERTON 0.21 IN 0130 PM 08/28 4989  
PAVILLION 5.8 E 0.19 IN 0700 AM 08/28 5322  
DUBOIS 19 WSW 0.19 IN 0110 PM 08/28 8833  
LANDER 5.1 SW 0.17 IN 0700 AM 08/28 5980  
FORT WASHAKIE 10 W 0.17 IN 0101 PM 08/28 9234  
5 ESE DUBOIS 0.16 IN 0800 AM 08/28  
RIVERTON AIRPORT 0.15 IN 1253 PM 08/28 5509  
KINNEAR 0.14 IN 0126 PM 08/28 5488  
CROWHEART 0.11 IN 0130 PM 08/28 6137  
LANDER 4 WSW 0.10 IN 0900 AM 08/28 5768  
BURROUGHS CREEK 0.10 IN 1200 PM 08/28 8750  
RIVERTON 0.10 IN 0115 PM 08/28 4966  
LANDER 6 SW 0.09 IN 0115 PM 08/28 6555  
LANDER 0.4 WNW 0.06 IN 0800 AM 08/28 5367  
DUBOIS 0.06 IN 0125 PM 08/28 7014  
LANDER 9 SSE 0.05 IN 0700 AM 08/28 5818  
LANDER 7 NW 0.05 IN 0125 PM 08/28 5797  
LANDER 0.05 IN 0129 PM 08/28 5278  
JEFFREY CITY 0.05 IN 0130 PM 08/28 6442  
LANDER AIRPORT 0.04 IN 1253 PM 08/28 5565  
RIVERTON 0.03 IN 0130 PM 08/28 5390  
HUDSON 3 NNW 0.02 IN 1246 PM 08/28 5555  
   
..HOT SPRINGS COUNTY  
 
THERMOPOLIS 18.6 E 0.12 IN 0800 AM 08/28 4879  
KIRBY 0.05 IN 0800 AM 08/28 4352  
THERMOPOLIS 9NE 0.04 IN 0700 AM 08/28 4282  
KIRBY 0.04 IN 0115 PM 08/28 4350  
THERMOPOLIS 6 NNE 0.02 IN 0700 AM 08/28 4434  
MEETEETSE 10 S 0.01 IN 1242 PM 08/28 7126  
THERMOPOLIS 0.01 IN 0125 PM 08/28 4425  
   
..JOHNSON COUNTY  
 
BARNUM 7 SW 0.60 IN 1246 PM 08/28 6439  
BARNUM 4 S 0.48 IN 0100 PM 08/28 5075  
CLOUD PEAK RESERVOIR 0.20 IN 1200 PM 08/28 9859  
KAYCEE 14.6 W 0.18 IN 0700 AM 08/28  
BEAR TRAP MEADOW 0.10 IN 1200 PM 08/28 8200  
STORY 8 S 0.08 IN 0115 PM 08/28 5278  
KAYCEE 10.9 WNW 0.02 IN 0700 AM 08/28 5481  
BUFFALO 0.02 IN 0115 PM 08/28 4370  
BUFFALO 15 W 0.01 IN 0115 PM 08/28 8398  
BUFFALO AIRPORT 0.01 IN 0127 PM 08/28 4905  
KAYCEE 0.01 IN 0130 PM 08/28 5403  
BUFFALO 1.3 ENE T IN 0700 AM 08/28 4699  
BUFFALO 0.6 E T IN 0700 AM 08/28 4696  
BUFFALO 13 SSE T IN 0700 AM 08/28 4819  
   
..LINCOLN COUNTY  
 
STAR VALLEY RANCH 1.0 S 1.51 IN 0700 AM 08/28 6204  
AFTON 0.95 IN 0126 PM 08/28 6257  
AFTON 0.90 IN 0800 AM 08/28 6248  
ETNA 3.3 N 0.84 IN 0800 AM 08/28 5989  
AFTON 0.82 IN 0115 PM 08/28 6267  
AFTON 1SW 0.81 IN 1249 PM 08/28 6234  
STAR VALLEY RANCH 0.80 IN 0800 AM 08/28 6253  
ALPINE 5.9 S 0.75 IN 0700 AM 08/28 5932  
STAR VALLEY RANCH 0.73 IN 0127 PM 08/28 21105  
AFTON 0.6 NW (AGRIMET) 0.56 IN 0100 PM 08/28 6210  
THAYNE 0.56 IN 0115 PM 08/28 5948  
BEDFORD 0.51 IN 0115 PM 08/28 6279  
THAYNE 2SE 0.50 IN 0700 AM 08/28 6086  
COTTONWOOD CREEK 0.50 IN 1200 PM 08/28 7669  
ETNA 0.35 IN 0100 PM 08/28 5692  
BLIND BULL SUMMIT 0.30 IN 1200 PM 08/28 8649  
INDIAN CREEK SNOTEL 0.20 IN 1200 PM 08/28 9424  
SMOOT 5 SSE 0.19 IN 0700 AM 08/28 7005  
COKEVILLE 15 NE 0.16 IN 0100 PM 08/28 8470  
CALPET 15 SW 0.09 IN 1245 PM 08/28 6957  
   
..NATRONA COUNTY  
 
CASPER 8 S 0.98 IN 1252 PM 08/28 7740  
CASPER 2.0 ENE 0.91 IN 0700 AM 08/28 5252  
LYSITE 12 NE 0.75 IN 0700 AM 08/28 6045  
CASPER 1.2 E 0.72 IN 0800 AM 08/28  
HILAND 16 S 0.70 IN 0110 PM 08/28 6379  
2 SW MILLS 0.53 IN 0600 AM 08/28  
CASPER 1.5 SW 0.52 IN 0600 AM 08/28  
CASPER 0.7 WSW 0.42 IN 0700 AM 08/28  
BAR NUNN 0.42 IN 0128 PM 08/28 5275  
CASPER 7.5 W 0.41 IN 0630 AM 08/28 5361  
RENO HILL SNOTEL 0.40 IN 1200 PM 08/28 8399  
CASPER 1 NW 0.38 IN 0700 AM 08/28 5142  
CASPER 2 SW 0.34 IN 0800 AM 08/28 5434  
CASPER 7.1 SW 0.31 IN 0530 AM 08/28 5415  
CASPER AIRPORT 0.24 IN 1253 PM 08/28 5327  
CASPER 5 SSW 0.20 IN 0700 AM 08/28 6262  
CASPER 0.17 IN 0115 PM 08/28 5341  
   
..PARK COUNTY  
 
MAMMOTH 15 WSW 0.52 IN 1249 PM 08/28 7899  
CANYON 1 SW - YNP 0.25 IN 1249 PM 08/28 7899  
PAHASKA 3 E 0.15 IN 1257 PM 08/28 7500  
POWELL 0.5 WNW 0.08 IN 0700 AM 08/28 446  
PAHASKA 0.08 IN 0100 PM 08/28 6798  
CODY 2.9 ESE 0.04 IN 0700 AM 08/28  
EAST ENTRANCE - YNP 0.04 IN 0800 AM 08/28 6954  
POWELL 1W 0.03 IN 0700 AM 08/28 4410  
WAPITI 0.03 IN 0125 PM 08/28 5993  
POWELL 0.03 IN 0130 PM 08/28 4386  
TOWER RANGER STATION - YNP 0.02 IN 0115 PM 08/28 6266  
WAPITI 0.02 IN 0115 PM 08/28 5398  
POWELL 4.0 WSW 0.01 IN 0700 AM 08/28  
CODY 5.3 E 0.01 IN 0700 AM 08/28  
CODY 7NE 0.01 IN 0700 AM 08/28 4787  
CODY 7.2 NNE 0.01 IN 0900 AM 08/28 4859  
CODY 15 SE 0.01 IN 1246 PM 08/28 5520  
CRANDALL 0.01 IN 0112 PM 08/28 6640  
POWELL 0.01 IN 0130 PM 08/28 4381  
6 SW RALSTON T IN 0700 AM 08/28  
CODY 2NE T IN 0700 AM 08/28 4939  
POWELL 4 ENE T IN 0700 AM 08/28 4288  
CODY 4.3 NNE T IN 0732 AM 08/28  
CODY AIRPORT T IN 1256 PM 08/28 5138  
   
..SUBLETTE COUNTY  
 
CORA 14.2 N 0.97 IN 0700 AM 08/28 7740  
BIG PINEY AIRPORT 0.92 IN 1253 PM 08/28 6944  
DANIEL 0.72 IN 0800 AM 08/28 7341  
PINEDALE 13 SE 0.62 IN 0700 AM 08/28 7050  
PINEDALE 14 NW 0.51 IN 0600 AM 08/28 7464  
KENDALL R.S. 0.50 IN 1200 PM 08/28 7740  
PINEDALE 1 NNW 0.38 IN 0800 AM 08/28 7213  
PINEDALE 2.0 WSW 0.37 IN 0800 AM 08/28 7302  
ELKHART PARK G.S. SNOTEL 0.30 IN 1200 PM 08/28 9399  
BIG SANDY OPENING 0.30 IN 1200 PM 08/28 9080  
BONDURANT 0.25 IN 0100 PM 08/28 6648  
BONDURANT 2 NW 0.22 IN 1251 PM 08/28 6726  
DANIEL 11 N 0.19 IN 1245 PM 08/28 7470  
PINEDALE 7 NE 0.11 IN 1226 PM 08/28 8529  
BOULDER REARING STATION 0.08 IN 0800 AM 08/28 6940  
BOULDER 0.07 IN 0125 PM 08/28 7338  
MARBLETON 0.05 IN 0125 PM 08/28 6850  
   
..SWEETWATER COUNTY  
 
GREEN RIVER 0.5 NNW 0.60 IN 0700 AM 08/28 6185  
ROCK SPRINGS 1.0 SSE 0.34 IN 0800 AM 08/28 6330  
ROCK SPRINGS 1.6 W 0.30 IN 0724 AM 08/28  
ROCK SPRINGS 7 SE 0.25 IN 0800 AM 08/28 6750  
ROCK SPRINGS AIRPORT 0.19 IN 1254 PM 08/28 6745  
GREEN RIVER 0.10 IN 0700 AM 08/28 6160  
ROCK SPRINGS 15 SE 0.07 IN 1244 PM 08/28 7549  
GREEN RIVER 1 SSE 0.06 IN 0630 AM 08/28 6241  
GREEN RIVER 0.06 IN 0125 PM 08/28 6149  
ROCK SPRINGS 6.7 WSW 0.05 IN 0700 AM 08/28 6252  
GREEN RIVER 1 SE 0.05 IN 0700 AM 08/28  
GREEN RIVER 2 SSE 0.05 IN 0700 AM 08/28 6209  
GREEN RIVER 0.8 SSW 0.04 IN 0900 AM 08/28 6314  
MCKINNON 0.02 IN 0115 PM 08/28 7086  
ROCK SPRINGS 4 NNW 0.01 IN 0700 AM 08/28 6498  
   
..TETON COUNTY  
 
GROS VENTRE SUMMIT 1.10 IN 1200 PM 08/28 8750  
BECHLER RANGER STATION 0.96 IN 0800 AM 08/28 6432  
SOUTH ENTRANCE 19 W - YNP 0.94 IN 1249 PM 08/28 6399  
SNAKE RIVER R.S. - YNP 0.70 IN 0800 AM 08/28 6882  
LAKE YELLOWSTONE - YNP 0.67 IN 1256 PM 08/28 7839  
SOUTH ENTRANCE - YNP 0.63 IN 1245 PM 08/28 6898  
THUMB DIVIDE SNOTEL 0.60 IN 1200 PM 08/28 7979  
LAKE YELLOWSTONE - YNP 0.56 IN 0100 PM 08/28 7875  
ALTA 17 N 0.54 IN 0103 PM 08/28 6830  
JACKSON 5 NW 0.53 IN 0700 AM 08/28 6217  
SOUTH ENTRANCE 5 SSW - YNP 0.46 IN 1245 PM 08/28 7020  
SOUTH ENTRANCE 3 W - YNP 0.43 IN 1245 PM 08/28 7040  
BASE CAMP 0.40 IN 1200 PM 08/28 7029  
JACKSON 0.39 IN 0900 AM 08/28 6210  
JACKSON HOLE - BASE (BTAVAL) 0.36 IN 0115 PM 08/28 6611  
JACKSON HOLE - MID MTN (BTAV 0.33 IN 0115 PM 08/28 8225  
WILSON 1.0 SE 0.32 IN 0700 AM 08/28 6155  
JACKSON 12 NE 0.32 IN 0723 AM 08/28 6663  
JACKSON 0.3 ENE 0.30 IN 0700 AM 08/28 6264  
JACKSON HOLE AIRPORT 0.29 IN 1256 PM 08/28 6453  
MORAN 0.29 IN 0115 PM 08/28 6748  
MOOSE 4 N 0.19 IN 1258 PM 08/28 6729  
JACKSON DAM 0.18 IN 1245 PM 08/28 6776  
OLD FAITHFUL - YNP 0.17 IN 0115 PM 08/28 7319  
JACKSON HOLE - RENDEZVOUS BO 0.17 IN 0115 PM 08/28 9634  
HOBACK 0.15 IN 0124 PM 08/28 5928  
ALTA 0.15 IN 0125 PM 08/28 21204  
JACKSON 0.14 IN 1245 PM 08/28 6240  
JACKSON HOLE - RAYMER (BTAVA 0.11 IN 0115 PM 08/28 9657  
ALTA 0.10 IN 1245 PM 08/28 6430  
JACKSON 0.10 IN 0130 PM 08/28 6158  
MORAN JCT 7 E 0.09 IN 1252 PM 08/28 7250  
JACKSON 0.08 IN 0130 PM 08/28 6236  
   
..WASHAKIE COUNTY  
 
WINCHESTER 0.06 IN 0830 AM 08/28 4216  
TEN SLEEP 12 ENE 0.04 IN 0114 PM 08/28 8202  
TEN SLEEP 27 S 0.01 IN 0700 AM 08/28 5002  
BIG TRAILS 15 SSW 0.01 IN 1240 PM 08/28 6554  
WORLAND 8 SW T IN 0550 AM 08/28 4136  
 
OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING  
EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS  
FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.  
 
 
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