Exceptionally Cold Early Fall Morning in Western Wyoming Region

Exceptionally Cold Early Fall Morning in Western Wyoming Region

 


Temperatures across Star Valley were all record breakers for the date.  
The coldest was a frigid 6 above zero at Double L Ranch northwest of Etna

The coldest in the region was at West Yellowstone where several readings were 
from 8 below to 11 below zero. Temperatures have in the record book never been 
this cold so early in the Fall going back over 100 years.
minimum temperatures October 11 2019
854 AM MDT Fri Oct 11 2019

...LOW TEMPERATURE REPORTS...

Location                     Temp      Time/Date       Elevation (ft.)

...Wyoming...

...Big Horn County...
Greybull 30 E                  1 F     1058 PM 10/10   8897
Frannie                       11 F     0433 AM 10/11   5002
Hyattville 5 ENE              12 F     0652 AM 10/11   5669
Hyattville 4 NE               13 F     0615 AM 10/11   4845
Basin                         15 F     0740 AM 10/11   3897
Lovell                        15 F     0745 AM 10/11   3964
Burlington                    15 F     0800 AM 10/11   4416
Cowley Airport                16 F     0315 AM 10/11   4083
Deaver                        18 F     0800 AM 10/11   4105
Greybull Airport              18 F     0753 AM 10/11   3917
Lovell                        19 F     0800 AM 10/11   3847

...Fremont County...
Atlantic City                 -2 F     0800 AM 10/11   7821
Dubois 19 WSW                  0 F     0710 AM 10/11   8833
South Pass City 8 W            3 F     0650 AM 10/11   8120
Jeffrey City                   6 F     0246 AM 10/11   6442
I 80 - Mile Marker 142         6 F     0657 AM 10/11   8084
Dubois 14 NE                   7 F     0715 AM 10/11   7365
Hudson 4 SSW                   7 F     0700 AM 10/11   5148
Atlantic City 3 NW             7 F     0445 AM 10/11   8540
Sweetwater Station 4 SW        7 F     0615 AM 10/11   6591
Fort Washakie 10 W             7 F     0801 PM 10/10   9234
Riverton                       8 F     0731 AM 10/11   4950
Shoshoni                       9 F     0700 AM 10/11   4822
Riverton 1 S                   9 F     0730 AM 10/11   4899
Riverton Airport              10 F     0633 AM 10/11   5509
Fort Washakie 1 SSE           10 F     0315 AM 10/11   5564
Jeffrey City                  10 F     0700 AM 10/11   6319
Muddy Gap 7 SW                11 F     1150 PM 10/10   7379
Crowheart                     11 F     1216 AM 10/11   6099
Riverton - CWC                11 F     0540 AM 10/11   5372
Kinnear                       12 F     0731 AM 10/11   5413
Crowheart 10 SE               13 F     0515 AM 10/11   5652
Lander 7 NW                   13 F     0747 AM 10/11   5797
Lander 1 S                    13 F     0600 AM 10/11   5479
Fort Washakie 6 WNW           13 F     0630 AM 10/11   6120
Lander 6 NW                   13 F     0315 AM 10/11   5760
Sinks Canyon                  13 F     0830 PM 10/10   7083
Pavillion                     13 F     0700 AM 10/11   5472
Lander Airport                14 F     0553 AM 10/11   5565
Hudson 3 NNW                  15 F     0746 AM 10/11   5555
Crowheart 11 WNW              18 F     0945 PM 10/10   6520
Dubois 7 NW                   18 F     0230 AM 10/11   7188
Dubois                        18 F     1250 AM 10/11   7014
Dubois Airport                18 F     1235 AM 10/11   7095
Boysen Reservoir              20 F     0530 AM 10/11   4708
Dubois 10 SE                  23 F     0500 AM 10/11   6399

...Hot Springs County...
Meeteetse 10 S                 7 F     1042 PM 10/10   7126
Thermopolis                   10 F     0555 AM 10/11   4903
Thermopolis 9NE               11 F     0700 AM 10/11   4282
Thermopolis                   11 F     0726 AM 10/11   4425
Kirby                         14 F     0630 AM 10/11   4350
Boysen Peak                   18 F     0835 AM 10/11   7099

...Johnson County...
Story 15 WSW                   1 F     1130 PM 10/10   8292
Buffalo 18 NW                  3 F     0147 AM 10/11   8604
Mayoworth 20 NW                5 F     0700 AM 10/11   8180
Story 10 SW                    5 F     1245 AM 10/11   8580
Kaycee                        10 F     0701 AM 10/11   4681
Buffalo                       13 F     0640 AM 10/11   4639
Buffalo                       14 F     0300 AM 10/11   4370
Linch                         14 F     0547 AM 10/11   4934
Kaycee 9 SW                   14 F     0700 AM 10/11   4898
Buffalo Airport               15 F     0653 AM 10/11   4905
Buffalo 6 W                   15 F     0330 AM 10/11   5745
Barnum 7 SW                   17 F     0746 AM 10/11   6439

...Lincoln County...
Cokeville 12 E                 5 F     0515 AM 10/11   7458
Etna                           6 F     0715 AM 10/11   5692
Cokeville 3 N                  8 F     0600 AM 10/11   6160
Afton                         10 F     0800 AM 10/11   6248
Afton Airport                 10 F     0815 AM 10/11   6163
Cokeville 15 NE               10 F     0200 AM 10/11   8470
Bedford 3SE                   11 F     0600 AM 10/11   6345
Thayne                        12 F     0816 AM 10/11   5948
Bedford                       12 F     0717 AM 10/11   6279
Star Valley Ranch             12 F     0721 AM 10/11   6692
Kemmerer Airport              12 F     0715 AM 10/11   7127
Kemmerer 2 W                  13 F     0445 AM 10/11   6979
Alpine 4 SSW                  20 F     0930 PM 10/10   5673

...Natrona County...
Casper 8 S                     6 F     0552 AM 10/11   7740
Hiland 16 S                    9 F     0110 AM 10/11   6379
Independence Rock              9 F     0645 AM 10/11   5916
Alcova                         9 F     0700 AM 10/11   5903
Midwest                       14 F     0646 AM 10/11   4865
Casper Airport                15 F     0949 PM 10/10   5344
Powder River                  15 F     0600 AM 10/11   5722
Casper 7 SE                   17 F     1100 PM 10/10   5591
Bar Nunn                      17 F     0346 AM 10/11   5275
Pathfinder Dam                17 F     0315 AM 10/11   5856
Casper                        20 F     1130 PM 10/10   5100
CASPER 1SW                    23 F     0730 AM 10/11   5143

...Park County...
Canyon 1 SW - YNP             -5 F     0749 AM 10/11   7899
Lamar Ranger Station - YNP    -4 F     0700 AM 10/11   6604
NE Entrance - YNP             -2 F     0600 AM 10/11   7359
Tower Ranger Station - YNP    -2 F     0700 AM 10/11   6266
Shf2 - Portable                4 F     0702 AM 10/11   7156
East Entrance 6 W              5 F     0530 AM 10/11   9798
Mammoth 15 WSW                 5 F     0649 AM 10/11   7899
Meeteetse 6 SW                 5 F     0650 AM 10/11   6224
Crandall                       6 F     0712 AM 10/11   6640
Sylvan Pass 14 S - YNP         7 F     0508 AM 10/11   8649
Mammoth                        7 F     0800 AM 10/11   6126
Pahaska 3 E                    8 F     0757 AM 10/11   7500
Cody 32 SW                     8 F     0900 PM 10/10   6200
Pahaska                        9 F     0800 AM 10/11   6798
Cody 10 WNW                    9 F     1040 PM 10/10   8400
Buffalo Bill Dam 1 E          10 F     1145 PM 10/10   5355
Cody                          11 F     0116 AM 10/11   5154
Cody Airport                  12 F     0256 AM 10/11   5138
Powell                        13 F     0710 AM 10/11   4386
Meeteetse                     13 F     0646 AM 10/11   5748
Clark                         14 F     0615 AM 10/11   4270
Powell Airport                14 F     0735 AM 10/11   5025
Wapiti                        14 F     1030 PM 10/10   5398
Cody 3.1W                     19 F     0715 AM 10/11   5280

...Sublette County...
Pinedale 7 NE                 -1 F     0726 AM 10/11   8529
Big Piney 11 W                 0 F     0700 AM 10/11   7412
Marbleton 9 NW                 4 F     0729 AM 10/11   7176
Big Piney Airport              5 F     0553 AM 10/11   6944
Boulder                        5 F     0800 AM 10/11   6959
Bondurant                      6 F     0445 AM 10/11   6648
Big Piney 21 W                 7 F     0809 AM 10/11   8200
Daniel                         9 F     0800 AM 10/11   7341
Bondurant 2 NW                10 F     0751 AM 10/11   6726
Pinedale Airport              10 F     0735 AM 10/11   7105
B-T Portable No. 1            10 F     0551 AM 10/11   9100
Pinedale                      11 F     0651 AM 10/11   7381
Daniel 8 SSE                  11 F     0700 AM 10/11   7056
Boulder 9 N                   12 F     0500 AM 10/11   7350
Farson 15 NNW                 12 F     0330 AM 10/11   6798
Big Piney 9 ENE               15 F     0700 AM 10/11   6803
Daniel 11 N                   15 F     0400 AM 10/11   7470
Pinedale 1 NE                 17 F     1145 PM 10/10   7310

...Sweetwater County...
La Barge 18 SE                 7 F     0645 AM 10/11   6390
Bitter Creek 4 NE             11 F     1245 AM 10/11   6720
Rock Springs 15 SE            12 F     0344 AM 10/11   7549
Manila Utah 2 NE              13 F     0800 AM 10/11   6060
Rock Springs Airport          13 F     0654 AM 10/11   6745
Green River 1 E               14 F     0530 AM 10/11   6060
Mckinnon                      15 F     0745 AM 10/11   7086
Green River                   16 F     0700 AM 10/11   6160
Little America 8 E            16 F     0730 AM 10/11   6129
Rock Springs 3 NW             17 F     0640 AM 10/11   6598

...Teton County...
Old Faithful - YNP            -5 F     0800 AM 10/11   7319
Old Faithful                  -2 F     0700 AM 10/11   7350
Togwotee Pass                  0 F     0730 AM 10/11   8579
Lake Yellowstone - YNP         0 F     0756 AM 10/11   7839
South Entrance 3 W - YNP       4 F     0545 AM 10/11   7040
South Entrance 19 W - YNP      5 F     0749 AM 10/11   6399
Lake - YNP                     5 F     0300 AM 10/11   7875
Moran Jct 7 E                  6 F     0752 AM 10/11   7250
Kelly                          6 F     0747 AM 10/11   6653
Moose 4 N                      7 F     0658 AM 10/11   6729
South Entrance - YNP           7 F     0645 AM 10/11   6898
South Entrance 5 SSW - YNP     8 F     0445 AM 10/11   7020
Jackson                        9 F     0745 AM 10/11   6240
Jackson Dam                    9 F     0745 AM 10/11   6776
Alta 17 N                     11 F     0703 AM 10/11   6830
Alta                          13 F     0530 AM 10/11   6430

...Washakie County...
Ten Sleep 12 ENE               3 F     0514 AM 10/11   8202
Ten Sleep 16SSE                5 F     0700 AM 10/11   4680
Big Trails 15 SE               9 F     0345 AM 10/11   7220
Worland                       11 F     0650 AM 10/11   4400
Ten Sleep                     12 F     0746 AM 10/11   4470
Worland 10 SSE                12 F     0617 AM 10/11   4520
Worland                       13 F     0730 AM 10/11   4064
Worland Airport               15 F     1053 PM 10/10   4190

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.