A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >
Summary | Forecast & Snow, Wind Reports | Travel Center | Monitoring & Reporting | Safety
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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High Wind Statement |
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Winter Storm Warnings/Advisories thru 12pm Monday |
Forecast Additional Snowfall from Click Image To Enlarge |
Preliminary Snowfall and Wind Reports |
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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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Day 3 High Temperature |
Day 3 Low Temperature |
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