A potent winter storm is impacting the region today. Winter Storm Warnings still in effect for Cody and Buffalo until 5 pm this evening. Winter Weather Advisories have also been issued for other areas of the state. Treacherous travel conditions with near zero visibility could occur along Interstate 80 Saturday morning when a heavy band of snow combined with strong wind is expected to track across the area (see radar simulation below). The snow has spread to areas east of the Divide. The heaviest snow is expected along Interstate 25 from Buffalo to Casper through Saturday afternoon. The snow tapers off or becomes very light across the west by early Saturday afternoon while the snow east of the Divide should exit the area late Saturday night. Windy conditions on Saturday could cause significant blowing and drifting of snow.
IMPACTS:
Western roads remaining slick and hazardous especially in the morning.
Interstate 80 could see white-out conditions Saturday morning from continued snowfall, and strong wind creating significant blowing snow.
Roads east of the Divide will gradually become slick in most locations. Travel will become difficult, especially along Interstate 25 between Casper and Buffalo by Saturday afternoon.
Quick View of Hazards, Simulated Radar Imagery, and Forecast Snow Totals (created at 12 PM 11/24) Click Images To Enlarge
Winter Storm Warnings and Winter Weather Advisories are in effect for much of western and southern Wyoming
Current Radar Loop Click Images To Enlarge
Radar simulation of timing of snow beginning
at 2 AM Saturday until midnight Saturday night. The
darker blue shades represent heavier snow. ***Note the heavier band of snow moving along Interstate 80 between 4 am and 8 am Saturday when near zero visibility in heavy snow and blowing snow are likely.***
Snow and Wind Forecasts for Saturday Click Images To Enlarge
Forecast Additional Snowfall
from 5 AM until Midnight Saturday
Snow Totals and Wind Reports will be posted and updated here once the storm occurs
(Please double check date and time of product)
000
NOUS45 KRIW 282359
PNSRIW
WYZ001>020-022>030-291300-
Public Information Statement
National Weather Service Riverton WY
559 PM MDT Sun Apr 28 2024
...Two-day Rainfall Totals from Across Western and Central Wyoming...
An area of low pressure wrapped moisture into the region Friday and
Saturday, with the heaviest rain generally falling late Friday
evening and night. Showers lingered Saturday, but amounts were less
than those observed over the previous 24 hours. The heaviest rain
fell along the Wind River Range in Fremont County and in the
Absaroka foothills of Park County. Locations in the eastern Bighorn
Basin and Johnson County saw the lowest rainfall totals. Following
are cooperative observer and CoCoRaHS two-day rainfall totals ending
Sunday morning.
Location Amount Time/Date Elev.
(ft.)
...Big Horn County...
1 WNW Shell 0.08 in 1200 PM 04/28 4166
Cowley 0.02 in 1200 PM 04/28 4011
Lovell 0.01 in 1200 PM 04/28 3835
...Fremont County...
2 SSE Fort Washakie 1.53 in 1200 PM 04/28 5555
6 SW Lander 1.17 in 1200 PM 04/28 6046
4 WSW Lander 1.01 in 1200 PM 04/28 5765
Hudson 0.97 in 1200 PM 04/28 5098
Lander 0.95 in 1200 PM 04/28 5363
2 NNW Lander 0.92 in 1200 PM 04/28 5346
9 SSE Lander 0.85 in 1200 PM 04/28 5818
1 NNW Lander 0.80 in 1200 PM 04/28 5332
6 ESE Dubois 0.72 in 1200 PM 04/28 6657
Burris 0.70 in 1200 PM 04/28 6123
1 WNW Saint Stephens 0.65 in 1200 PM 04/28
9 N Riverton 0.40 in 1200 PM 04/28 5224
6 WNW Riverton 0.40 in 1200 PM 04/28 5565
4 W Riverton 0.28 in 1200 PM 04/28 5116
1 NE Riverton 0.25 in 1200 PM 04/28 4949
2 W Riverton 0.23 in 1200 PM 04/28 5073
12 NNW Shoshoni Trace 1200 PM 04/28 4859
...Hot Springs County...
1 WSW Lucerne 0.75 in 1200 PM 04/28 4429
15 WSW Hamilton Dome 0.65 in 1200 PM 04/28 6608
1 W Kirby 0.64 in 1200 PM 04/28 4345
2 NE Lucerne 0.58 in 1200 PM 04/28 4280
...Johnson County...
8 NNE Mayoworth Trace 1200 PM 04/28 5070
Buffalo 0.00 in 1200 PM 04/28 4700
13 SSE Buffalo 0.00 in 1200 PM 04/28 4810
...Lincoln County...
2 NNW Turnerville 0.60 in 1200 PM 04/28 6346
5 SSE Smoot 0.59 in 1200 PM 04/28 6971
4 NNE Thayne 0.45 in 1200 PM 04/28 6247
1 SE Thayne 0.36 in 1200 PM 04/28 6079
3 N Etna 0.28 in 1200 PM 04/28 5929
...Natrona County...
2 ENE Casper 0.17 in 1200 PM 04/28 5254
5 SSW Casper 0.12 in 1200 PM 04/28 6257
1 NW Casper 0.12 in 1200 PM 04/28 5138
3 SSW Mills 0.11 in 1200 PM 04/28 5200
1 SSE Mills 0.11 in 1200 PM 04/28 5136
1 WSW Casper 0.11 in 1200 PM 04/28 5200
1 E Casper 0.10 in 1200 PM 04/28 5279
2 S Casper 0.08 in 1200 PM 04/28 5510
9 ENE Lost Cabin 0.07 in 1200 PM 04/28 6029
...Park County...
3 WSW Wapiti 0.94 in 1200 PM 04/28 5882
5 W Wapiti 0.89 in 1200 PM 04/28
2 SE Meeteetse 0.71 in 1200 PM 04/28
1 ESE Meeteetse 0.68 in 1200 PM 04/28 5907
Meeteetse 0.62 in 1200 PM 04/28 5761
5 NNE Meeteetse 0.62 in 1200 PM 04/28 5518
2 W Wapiti 0.60 in 1200 PM 04/28 5814
2 NNW Meeteetse 0.45 in 1200 PM 04/28 5885
5 NNE Meeteetse 0.40 in 1200 PM 04/28 5518
9 E Tower Junction 0.39 in 1200 PM 04/28 6565
11 SE Cody 0.12 in 1200 PM 04/28 5248
3 NNE Clark 0.05 in 1200 PM 04/28 4145
4 NNE Cody 0.04 in 1200 PM 04/28 5066
10 SW Cody 0.03 in 1200 PM 04/28 5516
3 ESE Cody 0.03 in 1200 PM 04/28 5092
1 ESE Cody 0.03 in 1200 PM 04/28 5084
4 SE Cody 0.02 in 1200 PM 04/28 5124
2 NE Cody 0.02 in 1200 PM 04/28 4938
3 WSW Cody 0.02 in 1200 PM 04/28 5286
2 S Garland 0.01 in 1200 PM 04/28 4269
7 SW Ralston 0.01 in 1200 PM 04/28 4750
7 NNE Cody 0.01 in 1200 PM 04/28 4849
2 ENE Ralston Trace 1200 PM 04/28 4504
1 W Garland Trace 1200 PM 04/28 4287
1 SW Cody Trace 1200 PM 04/28 5134
...Sublette County...
2 WSW Pinedale 0.65 in 1200 PM 04/28 7298
5 NW Daniel 0.58 in 1200 PM 04/28 7345
6 WNW Cora 0.56 in 1200 PM 04/28 7461
1 NNW Pinedale 0.54 in 1200 PM 04/28 7205
3 W Boulder 0.46 in 1200 PM 04/28 6945
5 SE Pinedale 0.39 in 1200 PM 04/28 7127
11 NE Marbleton 0.39 in 1200 PM 04/28 6938
...Sweetwater County...
7 SSE Rock Springs 0.74 in 1200 PM 04/28 6752
7 SSE Rock Springs 0.69 in 1200 PM 04/28 6769
1 S Rock Springs 0.38 in 1200 PM 04/28
1 SSW Green River 0.37 in 1200 PM 04/28 6307
1 NNW Green River 0.35 in 1200 PM 04/28 6086
1 S Rock Springs 0.34 in 1200 PM 04/28 6278
2 NNE Farson 0.32 in 1200 PM 04/28 6624
1 SSE Green River 0.29 in 1200 PM 04/28 6210
2 SSE Green River 0.27 in 1200 PM 04/28 6203
2 SE Green River 0.25 in 1200 PM 04/28 6168
4 WSW Reliance 0.20 in 1200 PM 04/28 6489
...Teton County...
3 SSW Wilson 0.71 in 1200 PM 04/28 7002
4 WNW Moran Junction 0.40 in 1200 PM 04/28 6806
Kelly 0.25 in 1200 PM 04/28 6650
Kelly 0.24 in 1200 PM 04/28 6652
Old Faithful 0.00 in 1200 PM 04/28 7358
...Washakie County...
Winchester 0.10 in 1200 PM 04/28 4213
5 N Ten Sleep 0.06 in 1200 PM 04/28 4749
9 S Manderson 0.00 in 1200 PM 04/28 4053
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.
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