SYNOPSIS: Ongoing Light to occasional moderate snow over portions of western Wyoming is expected to continue this evening with a mix of rain and snow below 7000 feet. A strong cold front will push across Western Wyoming late tonight into early Wednesday morning with a 3 to 6 hour time frame when snowfall rates around an inch an hour could occur especially over far western Wyoming. Snow levels will also drop to valley floors with frontal passage. This strong cold front will push across the rest of the Cowboy State Wednesday bringing much colder temperatures along with some light to moderate snowfall. The winter storm comes to an end from northwest to southeast Wednesday afternoon and evening. For snowfall amounts, please check out the graphics below.
Please monitor JHAVALANCHE.org if your plans include travel into the back country.
IMPACTS:
Snow causing slick road conditions across the west especially tonight and Wednesday. The rest of the area will see slick roads after frontal passage on Wednesday
High winds from southeast Fremont County into Natrona County including the Casper area will create a blowover risk for lightweight or high-profile vehicles through Tonight.
Cold and wet conditions could have a significant impact on young livestock especially in wake of the cold front Tonight and Wednesday.
Click Image To Enlarge Winter Weather Advisory and Winter Storm Warning across
western Wyoming in effect through Noon Wednesday. High Wind Warning in effect through midnight Tonight.
Snow Forecasts
Model Forecast of Hourly Precipitation
Darker Blues indicate heavier snow Click Image To Enlarge
Forecast Snowfall
Tonight thru Wednesday Evening Click Image To Enlarge
Wednesday's Forecast Peak Wind Gusts Click Image To Enlarge
High Temperature Forecasts
Today's High Temperature Click Image To Enlarge
Wednesday's High Temperature Click Image To Enlarge
Snow Totals and Wind Reports will be posted and updated here once the storm occurs
(Please double check date and time of product)
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NOUS45 KRIW 182140
PNSRIW
WYZ001>020-022>030-191200-
Public Information Statement
National Weather Service Riverton WY
240 PM MST Sat Jan 18 2025
...Storm Total Snowfall Reports from Friday and Saturday...
An Arctic cold front blasted north-to-south across Wyoming Friday
morning leaving snow and colder temperatures in its wake. Many areas
saw accumulating snow end late Friday, while central basins and
foothill locations east of the Continental Divide saw snow linger
into Saturday morning. Following are storm total snow reports
through around midday Saturday.
Location Amount Time/Date Elev
(ft.)
...Big Horn County...
14 NE Shell 3.0 in 1100 AM 01/18 9343
19 N Shell 2.0 in 1100 AM 01/18 9384
Deaver T in 0206 PM 01/18 4107
Lovell T in 0215 PM 01/18 3830
...Fremont County...
6 SW Lander 12.2 in 0215 PM 01/18 6043
9 SSE Lander 9.0 in 0216 PM 01/18 5819
7 WNW Lander 8.3 in 0216 PM 01/18 6040
10 NNW South Pass City 8.0 in 1100 AM 01/18 9659
1 ENE Lander 8.0 in 0209 PM 01/18 5365
2 SSE Lander 8.0 in 0209 PM 01/18 5517
5 SW Lander 8.0 in 0216 PM 01/18 5976
2 NNW Lander 6.5 in 0216 PM 01/18 5340
2 SSE Fort Washakie 6.5 in 0217 PM 01/18 5543
7 NNW South Pass City 6.0 in 1100 AM 01/18 8936
13 SW Lander 4.0 in 1100 AM 01/18 8725
11 N Dubois 4.0 in 1100 AM 01/18 8666
16 NE Dubois 4.0 in 1100 AM 01/18 8423
1 NE Riverton 3.8 in 0208 PM 01/18 4950
6 WNW Riverton 3.4 in 0208 PM 01/18 5570
14 SW Fort Washakie 3.0 in 1100 AM 01/18 10065
15 W Fort Washakie 3.0 in 1100 AM 01/18 8444
23 NW Dubois 3.0 in 0214 PM 01/18 9347
6 WSW Dubois 2.0 in 1100 AM 01/18 9411
11 WSW Burris 2.0 in 1100 AM 01/18 9903
6 ESE Dubois 1.5 in 0217 PM 01/18 6668
...Hot Springs County...
15 WSW Hamilton Dome 3.8 in 0218 PM 01/18 6607
23 WSW Hamilton Dome 3.0 in 1100 AM 01/18 8899
1 WSW Lucerne 1.0 in 0218 PM 01/18 4432
2 NE Lucerne 0.7 in 0205 PM 01/18 4275
...Johnson County...
14 WNW Mayoworth 5.0 in 1100 AM 01/18 8052
27 WNW Buffalo 3.0 in 1100 AM 01/18 8539
18 WNW Buffalo 3.0 in 1100 AM 01/18 9857
Buffalo 1.0 in 0219 PM 01/18 4695
1 NNE Buffalo 0.5 in 0218 PM 01/18 4617
5 SSW Buffalo 0.5 in 0218 PM 01/18 5295
13 SSE Buffalo 0.2 in 0218 PM 01/18 4814
...Lincoln County...
10 ESE Smoot 5.0 in 0213 PM 01/18 9378
16 ENE Turnerville 5.0 in 0213 PM 01/18 9022
6 ENE Smoot 4.0 in 1100 AM 01/18 8398
15 ENE Cokeville 3.0 in 1100 AM 01/18 7903
3 SE Turnerville 3.0 in 1100 AM 01/18 8237
15 NNE Cokeville 2.0 in 1100 AM 01/18 8355
21 NE Cokeville 2.0 in 1100 AM 01/18 9322
15 ESE Smoot 2.0 in 1100 AM 01/18 9037
8 S Smoot 2.0 in 1100 AM 01/18 7593
16 ENE Turnerville 2.0 in 1100 AM 01/18 8783
10 ENE Turnerville 2.0 in 0213 PM 01/18 6642
2 NE Alpine 2.0 in 0213 PM 01/18 5698
5 SSE Smoot 2.0 in 0224 PM 01/18 6980
4 NE Thayne 2.0 in 0225 PM 01/18 6199
3 N Etna 2.0 in 0225 PM 01/18 5927
4 NNE Thayne 2.0 in 0225 PM 01/18 6248
1 SE Thayne 1.2 in 0225 PM 01/18 6071
Afton 1.0 in 0203 PM 01/18 6255
2 NNW Turnerville 0.7 in 0205 PM 01/18 6355
...Natrona County...
7 S Casper 12.5 in 1208 PM 01/18 8025
7 S Casper 6.0 in 1100 AM 01/18 8070
2 SSW Casper 4.5 in 0210 PM 01/18 5419
1 WSW Casper 3.5 in 0220 PM 01/18 5199
9 ENE Lost Cabin 3.0 in 0219 PM 01/18 6028
1 E Casper 3.0 in 0220 PM 01/18 5280
1 NW Casper 2.5 in 0220 PM 01/18 5139
22 SE Casper 2.0 in 1100 AM 01/18 8402
4 NW Mills 2.0 in 0210 PM 01/18 5278
...Park County...
15 SE Wapiti 9.0 in 1100 AM 01/18 8910
2 SE Meeteetse 5.8 in 0222 PM 01/18 6065
12 SE Pahaska 4.0 in 1100 AM 01/18 9650
13 WSW Sunlight Basin 4.0 in 1100 AM 01/18 9378
2 WSW Cody 4.0 in 0221 PM 01/18 5164
5 NNE Meeteetse 3.2 in 0223 PM 01/18 5516
19 SW Valley 3.0 in 1100 AM 01/18 8491
6 SW Pitchfork 3.0 in 1100 AM 01/18 7931
8 W East Entrance 3.0 in 1100 AM 01/18 8411
16 N Pahaska 3.0 in 1100 AM 01/18 9326
3 WSW Wapiti 2.5 in 0223 PM 01/18 5882
20 SW Pitchfork 2.0 in 1100 AM 01/18 9789
2 WSW East Entrance 2.0 in 1100 AM 01/18 7354
7 NW Sunlight Basin 2.0 in 1100 AM 01/18 8017
1 SW Canyon 2.0 in 1100 AM 01/18 7865
7 NNE Cody 0.9 in 0222 PM 01/18 4853
3 WSW Cody 0.7 in 0206 PM 01/18 5293
2 NE Cody 0.5 in 0222 PM 01/18 4944
7 SW Ralston 0.5 in 0223 PM 01/18 4763
3 NNE Clark 0.2 in 0205 PM 01/18 4146
2 ENE Ralston 0.1 in 0221 PM 01/18 4508
1 W Garland T in 0221 PM 01/18 4288
1 NW Powell T in 0221 PM 01/18 4414
3 NNW Clark T in 0222 PM 01/18 4342
...Sublette County...
17 WNW South Pass City 4.0 in 1100 AM 01/18 8883
14 E Bondurant 4.0 in 1100 AM 01/18 8206
17 ESE Turnerville 3.0 in 1100 AM 01/18 8764
11 E Big Sandy 3.0 in 1100 AM 01/18 9062
20 NW Calpet 2.0 in 1100 AM 01/18 8062
11 NNE Pinedale 2.0 in 1100 AM 01/18 9010
12 N Cora 2.0 in 1100 AM 01/18 8413
6 WNW Cora 1.8 in 0224 PM 01/18 7460
5 SE Pinedale 0.3 in 0224 PM 01/18 7137
...Sweetwater County...
2 NNE Farson 2.0 in 0207 PM 01/18 6623
1 NNW Green River 1.0 in 0207 PM 01/18 6097
2 SE Green River 0.7 in 0227 PM 01/18 6165
2 SSE Green River 0.7 in 0227 PM 01/18 6203
1 SSE Green River 0.7 in 0227 PM 01/18 6220
...Teton County...
6 ENE Alta 5.0 in 1100 AM 01/18 9260
5 ENE Alta 5.0 in 0212 PM 01/18 8792
19 NE Bondurant 4.0 in 1100 AM 01/18 8770
4 WNW Teton Village 3.1 in 0211 PM 01/18 9628
2 NW Wilson 3.0 in 1100 AM 01/18 8017
23 ESE Moran Junction 3.0 in 1100 AM 01/18 9612
8 W South Entrance 3.0 in 1100 AM 01/18 7352
22 E South Entrance 3.0 in 1100 AM 01/18 9332
5 W Wilson 3.0 in 0212 PM 01/18 8047
6 NNW Moose 3.0 in 0212 PM 01/18 9561
3 NW Teton Village 2.1 in 0211 PM 01/18 9663
3 NW Teton Village 2.1 in 0212 PM 01/18 8220
10 N Bondurant 2.0 in 1100 AM 01/18 6912
8 NNE Moran Junction 2.0 in 1100 AM 01/18 7671
South Entrance 2.0 in 1100 AM 01/18 7004
5 N South Entrance 2.0 in 1100 AM 01/18 7875
2 SSW Grant Village 2.0 in 1100 AM 01/18 7968
6 ESE Hoback Junction 2.0 in 0213 PM 01/18 6150
16 E Moran Junction 2.0 in 0214 PM 01/18 9188
1 S Jackson 1.0 in 0212 PM 01/18 7804
2 NW Teton Village 1.0 in 0212 PM 01/18 6596
Jackson 1.0 in 0226 PM 01/18 6256
1 N Lake 0.6 in 0207 PM 01/18 7895
3 SSW Wilson 0.5 in 0226 PM 01/18 6996
1 NNE Jackson 0.4 in 0207 PM 01/18 6226
...Washakie County...
12 SE Big Trails 7.0 in 1100 AM 01/18 7621
18 ENE Ten Sleep 3.0 in 1100 AM 01/18 9449
5 N Ten Sleep 0.9 in 0228 PM 01/18 4753
Ten Sleep 0.5 in 0228 PM 01/18 4422
Winchester T in 0228 PM 01/18 4211
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.
$$
If you plan to travel, we recommend checking road conditions along your route and staying on top of road closures here. If you are on Twitter, follow the hashtag: #WyoRoad (or look below) for the latest weather affecting roads and road conditions in and around Wyoming.