Observed precipitation 7 days up to August 20 2021
Beneficial rains with even some snow about 10,000 ft fell across much of the area
the past couple of days. Following is a collection of rainfall totals by Riverton
FForecast Office that fell over the past 2 days
National Weather Service Riverton WY
913 AM MDT Fri Aug 20 2021
...HERE ARE THE PRECIPITATION TOTALS FROM THE LAST 2 DAYS ACROSS
WESTERN AND CENTRAL WYOMING...
Location Amount Time/Date Elevation (ft.)
...Yellowstone National Park...
Sylvan Pass 14 S - YNP 1.47 in 0808 AM 08/20 8649
Mammoth 15 WSW 1.36 in 0849 AM 08/20 7899
South Entrance 19 W - YNP 1.34 in 0849 AM 08/20 6399
Bechler Ranger Station 1.29 in 0800 AM 08/20 6432
Snake River R.S. - YNP 1.08 in 0800 AM 08/20 6882
Lamar Ranger Station - YNP 1.04 in 0800 AM 08/20 6575
Canyon 1 SW - YNP 0.93 in 0849 AM 08/20 7899
Tower Falls 0.93 in 0800 AM 08/20 6275
Lake Yellowstone - YNP 0.90 in 0856 AM 08/20 7839
...Wind River Mountains West...
Pinedale 7 NE 1.02 in 0826 AM 08/20 8529
Atlantic City 0.65 in 0800 AM 08/20 7821
South Pass City 8 W 0.52 in 0850 AM 08/20 8120
Dubois 19 WSW 0.49 in 0810 AM 08/20 8833
...Wind River Mountains East...
Fort Washakie 10 W 0.80 in 0801 AM 08/20 9234
...Wind River Basin...
Fort Washakie 3.7 SE 1.09 in 0700 AM 08/20 5548
Kinnear 0.79 in 0900 AM 08/20 5413
Riverton Forecast Office 0.51 in 0455 AM 08/20 5576
Riverton Airport 0.48 in 0853 AM 08/20 5509
Shoshoni 0.47 in 0845 AM 08/20 4822
Riverton 2 W 0.47 in 0700 AM 08/20 5073
Riverton 0.42 in 0900 AM 08/20 5390
Hudson 3 NNW 0.37 in 0846 AM 08/20 5555
Riverton 0.32 in 0905 AM 08/20 4990
Riverton - CWC 0.31 in 0905 AM 08/20 5372
1 W Riverton 0.30 in 0905 AM 08/20 4989
Pavillion 0.20 in 0845 AM 08/20 5485
...Upper Wind River Basin...
Crowheart 0.76 in 0845 AM 08/20 6099
Dubois 0.60 in 0600 AM 08/20 6955
1 WNW Dubois 0.38 in 0900 AM 08/20 7050
Dubois 0.35 in 0855 AM 08/20 7014
...Upper Green River Basin...
Marbleton 9 NW 0.68 in 0905 AM 08/20 7176
Big Piney Airport 0.40 in 0853 AM 08/20 6944
...Upper Green River Basin Foothills...
Bondurant 2 NW 1.44 in 0851 AM 08/20 6726
Pinedale 5.0 SE 0.85 in 0700 AM 08/20 7144
Pinedale 1 NNW 0.72 in 0800 AM 08/20 7213
Daniel 0.64 in 0800 AM 08/20 7341
Pinedale 14 NW 0.21 in 0600 AM 08/20 7464
...Teton and Gros Ventre Mountains...
Alta 17 N 1.61 in 0803 AM 08/20 6830
Moran 0.58 in 0847 AM 08/20 6867
...Star Valley...
Star Valley Ranch 0.90 in 0855 AM 08/20 6692
Bedford 3SE 0.79 in 0700 AM 08/20 6345
Alpine 5.9 S 0.79 in 0700 AM 08/20 5932
Afton 1SW 0.77 in 0800 AM 08/20 6234
Afton 0.73 in 0800 AM 08/20 6248
Etna 0.69 in 0846 AM 08/20 5692
Thayne 2SE 0.64 in 0700 AM 08/20 6086
Afton 0.59 in 0846 AM 08/20 6267
Afton 0.6 NW (AGRIMET) 0.57 in 0800 AM 08/20 6210
Bedford 0.54 in 0846 AM 08/20 6279
Etna 0.51 in 0845 AM 08/20 5823
...Southwest Big Horn Basin...
Thermopolis 9NE 1.95 in 0700 AM 08/20 4282
Thermopolis 6 NNE 1.04 in 0700 AM 08/20 4434
Thermopolis 11 WNW 0.65 in 0730 AM 08/20 4905
Kirby 0.61 in 0800 AM 08/20 4352
Thermopolis 0.43 in 0855 AM 08/20 4425
Kirby 0.41 in 0845 AM 08/20 4350
...Southeast Johnson County...
Kaycee 17 NNW 0.31 in 0700 AM 08/20 5056
Kaycee 0.30 in 0845 AM 08/20 5403
Kaycee 0.23 in 0846 AM 08/20 4681
Kaycee 17.0 E 0.19 in 0700 AM 08/20
...Southeast Big Horn Basin...
Ten Sleep 5 NNW 1.10 in 0700 AM 08/20 4531
Ten Sleep 0.91 in 0700 AM 08/20 4426
Ten Sleep 16SSE 0.88 in 0700 AM 08/20 4680
Ten Sleep 0.85 in 0845 AM 08/20 4470
Winchester 0.70 in 0830 AM 08/20 4216
Ten Sleep 27 S 0.70 in 0500 AM 08/20 5002
Worland 10 SSE 0.55 in 0817 AM 08/20 4520
Worland 8 SW 0.55 in 0700 AM 08/20 4136
Worland 2 NE 0.48 in 0700 AM 08/20 4089
Worland Airport 0.47 in 0853 AM 08/20 4190
Worland 0.45 in 0905 AM 08/20 4400
...Salt River and Wyoming Ranges...
Cokeville 15 NE 0.79 in 0800 AM 08/20 8470
Big Piney 21 W 0.68 in 0809 AM 08/20 8200
...Rock Springs and Green River...
Green River 1 SSE 0.92 in 0630 AM 08/20 6241
Green River 0.91 in 0700 AM 08/20 6160
Green River 2 SSE 0.86 in 0600 AM 08/20 6209
Green River 1 SE 0.81 in 0700 AM 08/20
Rock Springs 4 NNW 0.74 in 0700 AM 08/20 6498
Rock Springs 1 S 0.67 in 0600 AM 08/20 6269
Green River 0.64 in 0900 AM 08/20 6149
Rock Springs 0.54 in 0857 AM 08/20 6432
Rock Springs 3 NW 0.40 in 0905 AM 08/20 6598
Mckinnon 0.25 in 0845 AM 08/20 7086
...Owl Creek and Bridger Mountains...
Thermopolis 28.1 W 0.78 in 0745 AM 08/20
Meeteetse 10 S 0.71 in 0842 AM 08/20 7126
...Northeast Johnson County...
Buffalo 4 SSW 0.45 in 0700 AM 08/20 5262
Buffalo 0.32 in 0900 AM 08/20 4370
Buffalo 13 SSE 0.22 in 0700 AM 08/20 4819
Buffalo Airport 0.03 in 0853 AM 08/20 4905
...North Big Horn Basin...
Willow Creek 1.13 in 0849 AM 08/20 4299
Powell 4SW 1.10 in 0700 AM 08/20 4485
Powell 4 ENE 0.88 in 0700 AM 08/20 4288
Greybull Airport 0.82 in 0853 AM 08/20 3917
Powell 0.74 in 0900 AM 08/20 4386
Burlington 2 SE 0.65 in 0700 AM 08/20 4372
Powell 0.63 in 0845 AM 08/20 4509
Deaver 0.57 in 0800 AM 08/20 4105
Frannie 0.46 in 0859 AM 08/20 5002
Lovell 0.37 in 0846 AM 08/20 3964
Basin 0.36 in 0850 AM 08/20 3897
...Natrona County Lower Elevations...
Casper Airport 0.30 in 0853 AM 08/20 5327
Midwest 0.21 in 0700 AM 08/20 4860
Casper 10 WSW 0.21 in 0700 AM 08/20 5277
Bar Nunn 0.17 in 0859 AM 08/20 5275
Casper 1 NW 0.15 in 0700 AM 08/20 5142
...Lander Foothills...
Lander 6 SW 0.76 in 0700 AM 08/20 6088
Lander 9 SSE 0.55 in 0700 AM 08/20 5818
Lander Airport 0.52 in 0853 AM 08/20 5565
...Jackson Hole...
Wilson 3 SSW 1.27 in 0800 AM 08/20 7010
Moran Jct 7 E 1.26 in 0852 AM 08/20 7250
Teton Village 2 NE 1.16 in 0700 AM 08/20 6339
Jackson Hole Airport 1.04 in 0856 AM 08/20 6453
Moose 4 N 0.97 in 0858 AM 08/20 6729
Moran 0.96 in 0846 AM 08/20 6748
Moose 0.73 in 0800 AM 08/20 6444
Jackson 0.55 in 0848 AM 08/20 6210
Moran 0.55 in 0800 AM 08/20 6805
Hoback 0.40 in 0859 AM 08/20 5928
Jackson 12 NE 0.40 in 0709 AM 08/20 6663
...Green Mountains and Rattlesnake Range...
Muddy Gap 7 SW 0.73 in 0850 AM 08/20 7379
Hiland 16 S 0.54 in 0810 AM 08/20 6379
Jeffrey City 0.28 in 0845 AM 08/20 6442
...Flaming Gorge...
Manila Utah 2 NE 1.24 in 0815 AM 08/20 6060
...East Sweetwater County...
Rock Springs 15 SE 0.50 in 0844 AM 08/20 7549
Rock Springs Airport 0.27 in 0854 AM 08/20 6745
...Cody Foothills...
Cody 1.68 in 0855 AM 08/20 5120
Dry Creek 1.66 in 0846 AM 08/20 5520
Cody 4SE 1.57 in 0800 AM 08/20 5152
Cody 1SE 1.55 in 0700 AM 08/20 5102
Cody 2WSW 1.49 in 0630 AM 08/20 5161
Cody 3.1W 1.47 in 0800 AM 08/20 5280
Cody 2NE 1.41 in 0700 AM 08/20 4939
Cody 7NE 1.34 in 0700 AM 08/20 4787
Cody Airport 1.26 in 0856 AM 08/20 5138
Cody 7SW 1.26 in 0700 AM 08/20 5419
Clark 0.69 in 0845 AM 08/20 4660
Powell 24.2 WNW 0.68 in 0800 AM 08/20
Clark 0.45 in 0845 AM 08/20 4270
Meeteetse 2.0 SE 0.45 in 0700 AM 08/20 6071
Meeteetse 0.35 in 0845 AM 08/20 5748
...Casper Mountain...
Casper Mtn. 0.60 in 0600 AM 08/20 7899
Casper 8 S 0.26 in 0852 AM 08/20 7740
Casper 5 SSW 0.21 in 0700 AM 08/20 6262
...Bighorn Mountains West...
Hyattville 5 ENE 0.90 in 0852 AM 08/20 5669
Big Trails 15 SSW 0.84 in 0840 AM 08/20 6554
Ten Sleep 12 ENE 0.74 in 0814 AM 08/20 8202
Greybull 30 E 0.58 in 0858 AM 08/20 8897
Bone Springs Div 0.30 in 0600 AM 08/20 9350
Middle Powder Snotel 0.10 in 0700 AM 08/20 7760
...Bighorn Mountains Southeast...
Barnum 7 SW 0.45 in 0846 AM 08/20 6439
Buffalo 18 NW 0.35 in 0847 AM 08/20 8604
...Absaroka Mountains...
Cody 10 WNW 1.02 in 0840 AM 08/20 8400
Elkhorn 0.78 in 0857 AM 08/20 8084
Pahaska 0.65 in 0700 AM 08/20 6692
Pahaska 3 E 0.53 in 0857 AM 08/20 7500
Crandall 0.43 in 0812 AM 08/20 6640
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.