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Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Summary | Forecast | Observed Snow and Wind | Travel Center | Monitoring & Reporting | Safety


SYNOPSIS:

A strong cold front will move across west and central this morning. This front will bring more snow to the western mountains and valleys with moderate to locally heavy snow falling this morning.  Strong to high winds are also expected with this storm.  Sustained winds will be 30 to 45 mph with gusts of 50 to 65 mph across the mountains, and portions of central and southwest Wyoming.

 

IMPACTS:

  • Severely reduced visibility at times from snow and blowing snow.
  • Strong to possibly high wind gusts will create dangerous cross winds.  This includes I-80, I-90, I-25, and Wyoming Boulevard.

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Snow Totals and Wind Reports will be posted and updated here once the storm occurs
(Please double check date and time of product)

                        
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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