
A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >
Summary | Forecast | Observed Snow and Wind | Travel Center | Monitoring & Reporting | Safety
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.
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High Wind Statement |
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Snow and Wind Forecasts for Saturday
Click Images To Enlarge
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Forecast Additional Snowfall |
Saturday's Peak Wind Gusts |
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Snow Totals and Wind Reports will be posted and updated here once the storm occurs |
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147
NOUS45 KRIW 180426
PNSRIW
WYZ001>020-022>030-181611-
Public Information Statement
National Weather Service Riverton WY
1011 PM MDT Tue Mar 17 2026
...EVENT SUMMARY...
Another intense jet streak moved over the area, mixing strong gusty
winds to the surface. Winds began increasing early Tuesday morning
and continued through the day on Tuesday 3/17/26. Below is the
highest wind gust report received for each of the listed locations.
Only wind gusts 45 mph or greater are included.
Location Speed Time/Date Elevation (ft.)
...Wind River Basin...
Riverton Airport (ASOS) 71 MPH 1011 AM 03/17 5443
Sharpnose 60 MPH 0546 AM 03/17 5555
Riverton 2 (CWOP) 56 MPH 1030 AM 03/17 4966
Riverton 3 (CWOP) 54 MPH 1010 AM 03/17 5390
Pavillion (CWOP) 52 MPH 0430 PM 03/17 5485
Poston Ranch Rd (PC) 49 MPH 1010 AM 03/17 5749
Riverton 2 (AWS) 45 MPH 1135 AM 03/17 4990
...Upper Wind River Basin...
Crowheart (CWOP) 53 MPH 1000 AM 03/17 6137
Dubois Airport (AWOS) 53 MPH 0335 PM 03/17 7297
...Upper Green River Basin...
Cottonwood Merna (PC) 48 MPH 0330 AM 03/17 7830
Dickinson (PC) 47 MPH 0340 PM 03/17 7490
WY372 Shute Creek (DOT) 45 MPH 1022 AM 03/17 6496
...Upper Green River Basin Foothills...
Half Moon Lake (PC) 55 MPH 0900 AM 03/17 7857
...Teton and Gros Ventre Mountains...
Surprise Pinnacle (BTAC) 74 MPH 1015 PM 03/16 9770
Summit (JHMR) 48 MPH 1000 PM 03/16 10328
Mt Glory (DOTAV) 48 MPH 1115 PM 03/16 10059
...Southeast Johnson County...
Tisdale Mtn (PC) 49 MPH 1200 PM 03/17 5557
I-25 Tisdale Divide (DOT) 46 MPH 1256 PM 03/17 4990
...South Lincoln County...
US30 Nugget Canyon (DOT) 45 MPH 0146 PM 03/17 6626
...Salt River and Wyoming Ranges...
Mount Coffin (BTAC) 79 MPH 0245 AM 03/17 10855
Snider Basin 56 MPH 0609 PM 03/17 8200
Hogsback (PC) 55 MPH 0910 AM 03/17 9008
...Rock Springs and Green River...
Rock Springs 6 WSW (UPR) 56 MPH 0235 PM 03/17 6213
I-80 Green River (DOT) 48 MPH 0326 PM 03/17 6325
I-80 Rock Springs (DOT) 47 MPH 0322 PM 03/17 6253
...Owl Creek and Bridger Mountains...
Grass Creek 53 MPH 0642 AM 03/17 7127
...Natrona County Lower Elevations...
Scenic Dr (PC) 62 MPH 0510 AM 03/17 5827
...Lander Foothills...
Lander Airport (ASOS) 49 MPH 1230 PM 03/17 5587
Wyopo (PC) 47 MPH 0150 PM 03/17 5471
...Green Mountains and Rattlesnake Range...
Camp Creek 57 MPH 0350 AM 03/17 7380
...Flaming Gorge...
Little Bitter Creek (PC) 48 MPH 0310 PM 03/17 7320
...East Sweetwater County...
Snows Springs 62 MPH 0944 AM 03/17 7549
Rock Springs Airport (ASOS) 55 MPH 1121 AM 03/17 6759
I-80 Tipton (DOT) 54 MPH 1242 PM 03/17 6958
I-80 Bitter Creek (DOT) 53 MPH 1206 PM 03/17 7133
I-80 Baxter Rd (DOT) 52 MPH 1152 AM 03/17 6345
Point of Rocks (PC) 50 MPH 1140 AM 03/17 6534
Pine Butte (PC) 47 MPH 0830 AM 03/17 8730
Point of Rocks 5 SSE (UPR) 45 MPH 1119 AM 03/17 6567
...Cody Foothills...
Clark (CWOP) 61 MPH 0515 AM 03/17 4270
Greybull River (PC) 60 MPH 0310 AM 03/17 7124
Mccullough Peaks (PC) 56 MPH 1020 AM 03/17 6077
Dry Creek 56 MPH 1146 AM 03/17 5520
WY120 Meeteetse Rim (DOT) 55 MPH 0526 AM 03/17 5876
Irma Lake (PC) 55 MPH 0340 AM 03/17 6222
Dead Indian Hill (PC) 53 MPH 0910 AM 03/17 5549
Shoshone Southfork (PC) 51 MPH 0320 AM 03/17 5896
Wood River South (PC) 51 MPH 0810 AM 03/17 7001
Wapiti (CWOP) 50 MPH 0245 AM 03/17 5993
Fort Collins (CWOP) 49 MPH 0730 AM 03/17 5102
Cody Airport (AWOS) 48 MPH 0727 AM 03/17 5089
...Casper Mountain...
Casper Mtn Rd (PC) 61 MPH 0300 AM 03/17 6302
Claude Creek (PC) 53 MPH 0330 AM 03/17 6282
Coates Rd (PC) 45 MPH 0320 AM 03/17 5866
...Absaroka Mountains...
WY296 Chief J Pass (DOT) 79 MPH 1242 AM 03/17 8084
Cedar Mountain (PC) 69 MPH 0650 AM 03/17 7542
Eagle 53 MPH 0257 PM 03/17 7500
Elkhorn 52 MPH 0457 PM 03/17 8085
Rattlesnake Mtn 51 MPH 0140 AM 03/17 8401
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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Summary | Forecast | Observed Snow and Wind | Travel Center | Monitoring & Reporting | Safety
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| Road Conditions and Web Cameras click the WYDOT Logo for road conditions |
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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.
| Tweets by @NWSRiverton | A Twitter List by NWSRiverton |
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Get the play-by-play on this storm and contribute your own snow reports to #wywx |

Summary | Forecast | Observed Snow and Wind | Travel Center | Monitoring & Reporting | Safety
PLEASE SEND US YOUR SNOW REPORTS (CLICK HERE)
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Summary | Forecast | Observed Snow and Wind | Travel Center | Monitoring & Reporting | Safety

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