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Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

 

 

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SYNOPSIS: A winter storm will spread moderate to heavy amounts of snow, along with windy conditions, into Western Wyoming tonight through early Monday morning.  The heaviest snowfall is expected to occur Sunday night as the main system and associated cold front move across the area.  Light snowfall is expected to spread east of the Divide late Sunday night and into the day Monday, as the strong cold front plows southeast across Wyoming.  Much colder air is expected in the wake of this cold front Sunday night and Monday.  High temperatures on Tuesday will be about 20 degrees below average, with highs generally in the teens.

 

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thru 12pm Monday

Forecast Additional Snowfall from
8 PM Sunday until 11 AM Monday
(See Below for Snowfall Reports)

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Preliminary Snowfall and Wind Reports

                        
650
NOUS45 KRIW 281654
PNSRIW
WYZ001>020-022>030-290443-

Public Information Statement
National Weather Service Riverton WY
1043 AM MDT Tue Oct 28 2025

...SNOWFALL REPORTS...

A Winter weather system moved through the region beginning Saturday
evening with snowfall occurring across much of western WY through
early Monday evening. Greatest snowfall amounts occurred across the
western WY mountains and higher elevations in Yellowstone National
Park. Accumulating snow was also measured across the Western
Valleys, most notably Star Valley on Sunday. There were also a few
isolated reports around Casper and in Johnson County, as well as the
Cody Foothills, most of which fell on Monday with convective snow
showers that occurred off an on through the afternoon.

Location                     Amount     Elevation (ft.)

...Big Horn County...
17 E Shell                   3.0 in     9577
14 NE Shell                  3.0 in     9343

...Fremont County...
7 NNW South Pass City        11.0 in    8936
10 NNW South Pass City       11.0 in    9659
14 SW Fort Washakie          8.0 in     10065
23 NW Dubois                 5.1 in     9347
6 WSW Dubois                 5.0 in     9411
15 W Fort Washakie           4.0 in     8444
13 SW Lander                 4.0 in     8725
11 WSW Burris                3.0 in     9903
11 N Dubois                  2.0 in     8666
1 WNW Dubois                 1.0 in     6955

...Johnson County...
18 WNW Buffalo               4.0 in     9857
3 SSW Mayoworth              1.0 in     5477
Kaycee                        T in      4668

...Lincoln County...
10 ESE Smoot                 13.0 in    9378
3 SE Turnerville             13.0 in    8237
15 ESE Smoot                 12.0 in    9037
16 ENE Turnerville           11.0 in    9022
6 ENE Smoot                  10.0 in    8398
16 ENE Turnerville           9.0 in     8783
21 NE Cokeville              9.0 in     9322
1 SE Thayne                  6.3 in     6071
8 S Smoot                    6.0 in     7593
15 ENE Cokeville             6.0 in     7903
4 NE Thayne                  5.7 in     6199
4 NNE Thayne                 5.2 in     6248
5 SSE Smoot                  5.0 in     6980
15 NNE Cokeville             5.0 in     8355
10 ENE Turnerville           4.0 in     6642
Afton                        3.6 in     6255
3 N Etna                     3.5 in     5927
2 NE Alpine                  3.0 in     5698

...Natrona County...
4 NW Mills                   1.0 in     5278
1 NW Casper                  0.1 in     5139

...Park County...
12 SE Pahaska                10.0 in    9650
13 WSW Sunlight Basin        10.0 in    9378
8 W East Entrance            7.0 in     8411
14 N Sunlight Basin          6.0 in     9357
16 N Pahaska                 5.0 in     9326
2 WSW East Entrance          4.0 in     7354
19 SW Valley                 4.0 in     8491
Pahaska                      3.0 in     6687
East Entrance                3.0 in     6952
1 SW Canyon                  3.0 in     7865
20 SW Pitchfork              2.0 in     9789
7 NW Sunlight Basin          1.0 in     8017

...Sublette County...
17 ESE Turnerville           11.0 in    8764
17 WNW South Pass City       7.0 in     8883
11 E Big Sandy               7.0 in     9062
20 NW Calpet                 7.0 in     8062
16 SW Dubois                 6.0 in     9716
12 ESE Bondurant             6.0 in     7960
14 E Bondurant               5.0 in     8206
12 N Cora                    4.0 in     8413
11 NNE Pinedale              3.0 in     9010
6 WNW Cora                   2.3 in     7460
20 E Bondurant               2.0 in     7741
1 NNE Bondurant              1.5 in     6691
5 NW Daniel                  1.0 in     7338
1 NNW Pinedale               0.8 in     7204

...Teton County...
22 E South Entrance          12.0 in    9332
6 ENE Alta                   12.0 in    9260
5 ENE Alta                   11.0 in    8792
5 N South Entrance           11.0 in    7875
8 W South Entrance           10.0 in    7352
23 ESE Moran Junction        10.0 in    9612
4 WNW Teton Village          9.0 in     9628
2 NW Wilson                  9.0 in     8017
6 NNW Moose                  8.0 in     9561
16 E Moran Junction          8.0 in     9188
3 NW Teton Village           8.0 in     9663
2 SSW Grant Village          8.0 in     7968
3 NW Teton Village           7.0 in     8220
South Entrance               7.0 in     7004
South Entrance               6.3 in     6887
5 W Wilson                   5.0 in     8047
19 NE Bondurant              4.0 in     8770
10 N Bondurant               4.0 in     6912
1 S Jackson                  3.0 in     7804
6 ESE Hoback Junction        3.0 in     6150
6 WNW Hoback Junction        3.0 in     6526
8 NNE Moran Junction         3.0 in     7671
19 NE Bondurant              2.1 in     8170
2 NNE Teton Village          2.0 in     6338
Kelly                        2.0 in     6652
2 NW Teton Village           1.1 in     6596
Jackson                      0.9 in     6256

...Washakie County...
18 ENE Ten Sleep             6.0 in     9449

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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