Brrrrr, -26F in Pinedale
February 20, 2018
Very cold temperatures finally arrived this winter in Pinedale, making it feel more like January than mid-February. Overnight lows dipped to -26F degrees in Pinedale last night, according to the National Weather Service. Daytime weather will have some sunshine, but temperatures will struggle to get up to the teens this week (12F to 21F), with a slight chance of some snow. Nighttime lows will drop to -18F degrees this week.
Below are the top 10 coldest overnight temperatures by county in addition to airports and other notable locations for Monday night, February 19, 2018 ending at 530 AM Tuesday, February 20, 2018 - from the National Weather Service in Riverton, Wyoming
Location, Temp, Time/Date, Elevation (ft.)
Big Horn County
13 NE Ten Sleep, -27 F, 0510AM, 02/20, 8038
5 NW Granite Pass, -20 F, 0400AM, 02/20, 9350
Greybull Airport, -19 F, 0524AM, 02/20, 3935
Basin, -18 F, 0440AM, 02/20, 3897
Lovell, -18 F, 0518AM, 02/20, 3830
Cowley Airport, -18 F, 0435AM, 02/20, 4090
30 E Greybull, -17 F, 0958PM, 02/19, 8898
17 E Shell, -17 F, 0400AM, 02/20, 9580
Bald Mtn., -16 F, 0300AM, 02/20, 9380
5 ENE Hyattville, -13 F, 0452AM, 02/20, 5670
Fremont County
14 ENE Dubois, -34 F, 0415AM, 02/20, 7365
17 NE Dubois, -27 F, 0200AM, 02/20, 8400
11 N Dubois, -22 F, 0100AM, 02/20, 8750
Crowheart, -19 F, 0522AM, 02/20, 6099
6 NW Dubois, -19 F, 0245AM, 02/20, 7189
10 N Dubois, -19 F, 0157AM, 02/20, 8085
13 W Fort Washakie, -19 F, 0300AM, 02/20, 8620
10 SE Crowheart, -18 F, 0515AM, 02/20, 5654
10 W Dubois, -18 F, 0106AM, 02/20, 8432
12 SW Lander, -18 F, 0400AM, 02/20, 8700
Riverton Airport, -17 F, 0500AM, 02/20, 5525
Jeffrey City, -11 F, 0419AM, 02/20, 6374
Lander Airport, -10 F, 0500AM, 02/20, 5586
3 NNW Hudson, -10 F, 0446AM, 02/20, 5555
South Pass, -9 F, 0355AM, 02/20, 8556
Hot Springs County
9 WNW Thermopolis, -23 F, 0450AM, 02/20, 4902
Thermopolis, -17 F, 0525AM, 02/20, 4426
Kirby, -16 F, 0515AM, 02/20, 4350
10 S Meeteetse, -16 F, 0342AM, 02/20, 7127
22 WSW Hamilton Dome, -14 F, 1200AM, 02/20, 8975
Johnson County
18 WNW Buffalo, -24 F, 0445AM, 02/20, 8580
Cloud Peak, -23 F, 0400AM, 02/20, 9860
20 SW Echeta, -20 F, 0500AM, 02/20, 4068
15 W Buffalo, -18 F, 0400AM, 02/20, 8720
15 WSW Buffalo, -17 F, 0400AM, 02/20, 8360
18 NW Buffalo, -17 F, 0747PM, 02/19, 8604
14 WNW Mayoworth, -16 F, 1000PM, 02/19, 8200
Powder River Pass, -16 F, 0900PM, 02/19, 9480
14 WNW Mayoworth, -15 F, 0200AM, 02/20, 8200
Kaycee, -15 F, 0504AM, 02/20, 4681
2 NW Mayoworth, -15 F, 1149PM, 02/19, 5404
25 ESE Buffalo, -12 F, 0500AM, 02/20, 4657
7 NE Buffalo, -11 F, 0427AM, 02/20, 4370
Buffalo Airport, -10 F, 0500AM, 02/20, 4970
Lincoln County
6 WNW Granger, -20 F, 0400AM, 02/20, 6359
Kemmerer, -19 F, 0500AM, 02/20, 6980
4 E Opal, -18 F, 0300AM, 02/20, 6589
4 W Kemmerer, -17 F, 0200AM, 02/20, 6989
Blind Bull Summit, -12 F, 0100AM, 02/20, 9000
13 W Kemmerer, -12 F, 0145AM, 02/20, 6718
Deadman Mtn, -11 F, 0100AM, 02/20, 10350
Box Y Ranch, -10 F, 0200AM, 02/20, 6650
3 E Sage Junction, -10 F, 0100AM, 02/20, 6378
15 NE Cokeville, -9 F, 0200AM, 02/20, 8180
Cokeville, -9 F, 0400AM, 02/20, 6194
Thayne, -6 F, 1258AM, 02/20, 5928
Etna, -1 F, 0127AM, 02/20, 5823
Natrona County
Casper Airport, -21 F, 0500AM, 02/20, 5320
Natrona, -20 F, 1125PM, 02/19, 5589
8 S Casper, -19 F, 0252AM, 02/20, 7740
Casper Mtn, -19 F, 0100AM, 02/20, 7850
Casper, -19 F, 1200AM, 02/20, 5399
28 N Waltman, -17 F, 0700PM, 02/19, 8550
2 SE Hiland, -17 F, 1035PM, 02/19, 6134
20 N Casper, -17 F, 0346AM, 02/20, 5677
8 SE Evansville, -16 F, 0515AM, 02/20, 5592
22 SE Casper, -16 F, 1200AM, 02/20, 8500
Independence Rock, -16 F, 0415AM, 02/20, 5920
Casper Outer Drive, -15 F, 0511AM, 02/20, 5463
Midwest, -14 F, 0522AM, 02/20, 4865
Pathfinder Reservoir, -11 F, 0430AM, 02/20, 5858
Park County
9 E Tower Junction, -29 F, 0215AM, 02/20, 7266
NE Entrance Yellowstone, -29 F, 0445AM, 02/20, 7360
9 W Canyon, -27 F, 0325AM, 02/20, 7686
6 SSW Mammoth, -27 F, 0500AM, 02/20, 7382
1 WSW Canyon, -27 F, 0325AM, 02/20, 7830
5 ENE Tower Junction, -27 F, 0325AM, 02/20, 6312
4 W Pahaska, -27 F, 0300AM, 02/20, 7120
1 SW Canyon, -26 F, 0449AM, 02/20, 7900
Sylvan Lake, -26 F, 0400AM, 02/20, 8420
Tower Falls, -25 F, 0230AM, 02/20, 6266
2 N Frannie, -22 F, 0453AM, 02/20, 4275
Beartooth Lake, -20 F, 0300AM, 02/20, 9275
Pahaska, -20 F, 0230AM, 02/20, 6800
Cody Airport, -19 F, 0500AM, 02/20, 5100
20 SW Cody, -19 F, 0410AM, 02/20, 5843
Chief Joseph Hwy, -19 F, 0531PM, 02/19, 8136
Buffalo Bill Reservoir, -18 F, 0245AM, 02/20, 5357
Meeteetse, -17 F, 0518AM, 02/20, 5797
5 WNW Clark, -17 F, 0149AM, 02/20, 4659
Mammoth, -16 F, 0515AM, 02/20, 6300
Powell Airport, -13 F, 0515AM, 02/20, 5050
Sublette County
7 NE Pinedale, -26 F, 0426AM, 02/20, 8530
21 W Big Piney, -25 F, 0309AM, 02/20, 8200
10 E Big Sandy, -21 F, 0400AM, 02/20, 9080
Snider Basin, -20 F, 0400AM, 02/20, 8060
28 WNW Big Piney, -19 F, 0200AM, 02/20, 8500
6 NW Cora, -18 F, 0433AM, 02/20, 7462
Pinedale Airport, -18 F, 0515AM, 02/20, 7085
14 N Farson, -16 F, 0500AM, 02/20, 6780
1 NE Pinedale, -15 F, 0512AM, 02/20, 7382
8 SE Bondurant, -15 F, 0421AM, 02/20, 7797
Pinedale, -12 F, 0500AM, 02/20, 7310
East Rim Divide, -5 F, 0400AM, 02/20, 7930
Bondurant, -3 F, 0500AM, 02/20, 6650
Big Piney Airport, -3 F, 0500AM, 02/20, 6974
Sweetwater County
I 80 - Mile Marker 131, -20 F, 0505AM, 02/20, 6636
20 ENE Opal, -16 F, 0501AM, 02/20, 6556
12 W Green River, -16 F, 0430AM, 02/20, 6130
Farson, -13 F, 0515AM, 02/20, 6594
I 80 - Mile Marker 184, -12 F, 0516AM, 02/20, 7112
3 ENE Granger, -12 F, 0400AM, 02/20, 6254
13 E Wamsutter, -12 F, 0500AM, 02/20, 7052
I 80 - Mile Marker 124, -12 F, 0516AM, 02/20, 6475
I 80 - Mile Marker 157, -12 F, 0435AM, 02/20, 6965
7 WSW Rock Springs, -12 F, 0515AM, 02/20, 6238
Green River, -6 F, 0445AM, 02/20, 6091
Rock Springs Airport, -6 F, 0513AM, 02/20, 6760
Teton County
1 W Grant Village, -34 F, 0330AM, 02/20, 7874
Lake Yellowstone, -30 F, 0500AM, 02/20, 7835
2 S Grant Village, -30 F, 0300AM, 02/20, 7980
Old Faithful, -27 F, 0325AM, 02/20, 7481
12 SE Lake, -27 F, 0325AM, 02/20, 7807
1 ESE Grant Village, -27 F, 0325AM, 02/20, 7771
Old Faithful, -26 F, 0230AM, 02/20, 7350
Lake Village, -23 F, 0230AM, 02/20, 7875
4 W South Entrance YNP, -20 F, 0245AM, 02/20, 7040
32 ESE Jackson, -19 F, 0300AM, 02/20, 8750
Togwotee Mtn Lodge, -13 F, 1200AM, 02/20, 9184
Togwotee Pass, -13 F, 0100AM, 02/20, 9850
South Entrance YNP, -12 F, 0445AM, 02/20, 6900
Summit - Jackson Resort, -10 F, 0500AM, 02/20, 10318
Snake River At Jackson Lake, -7 F, 0330AM, 02/20, 6779
Moran Junction, -6 F, 1259AM, 02/20, 6749
7 E Moran Jct, -6 F, 0452AM, 02/20, 7251
Grand Targhee - Chief Joseph, -6 F, 1200AM, 02/20, 8800
Raymer - Jackson Resort, -6 F, 0500AM, 02/20, 9360
Teton Pass, -5 F, 1035PM, 02/19, 8463
Alta, -4 F, 1030PM, 02/19, 6430
Moose, -3 F, 0510AM, 02/20, 6466
Kelly, -2 F, 0524AM, 02/20, 6653
Jackson Hole Airport, -1 F, 0456AM, 02/20, 6445
Washakie County
12 ENE Ten Sleep, -20 F, 0414AM, 02/20, 8202
Ten Sleep, -18 F, 0525AM, 02/20, 4470
1 NNE Worland, -18 F, 0519AM, 02/20, 4065
Worland, -17 F, 0519AM, 02/20, 4042
12 SE Big Trails, -16 F, 0300AM, 02/20, 7760
Worland Airport, -16 F, 0500AM, 02/20, 4245
15 SSW Big Trails, -15 F, 0740PM, 02/19, 6554
6 SE Ten Sleep, -14 F, 0500AM, 02/20, 4541
10 SSE Worland, -13 F, 0517AM, 02/20, 4520
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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