Winter Storm Will Impact the Area Today with Snow and High WInd

Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

SYNOPSIS:

A strong cold front will move across the area today. Snow, blowing and drifting snow will cause hazardous travel conditions across the west through the afternoon. Winter Storm Warnings and Winter Weather Advisories are in effect for far western portions until 5 pm. Snowfall amounts of 6 to 10 inches for the mountains, with local amounts of 9 to 15 inches in the Tetons. Lower elevations in the far west will see 4 to 5 inches. Other areas of the state south may see a dusting of snow up to a couple of inches.

Strong winds will also accompany the system in the western mountains, , I-80 and the southern wind corridor and northern I-25 corridor. High Wind Warnings are in effect for portions of Fremont, Natrona and Johnson Counties today where wind gusts over 60 mph are expected. Strong northwest wind will continue across the Wind River Basin and northeast Johnson County through this evening.

IMPACTS:

Western mountain and valley roads will be slick and hazardous due to falling snow and windy conditions.

Strong to High Winds will create hazardous driving conditions and areas of blowing snow.

Southeast Fremont and Natrona counties will see High Wind gusts to 60 mph into this afternoon.
Interstate 80 could see strong winds up to 50 mph today.
The Wind River Basin and northeast Johnson County could see northwest winds gusting near 60 mph this afternoon and evening.

NWS Text Products and Forecasts

Area Forecast Discussion	Winter Weather Statement	Special Weather Statement	What's a "Watch?"
Observed Snow Totals or High Wind	High Wind Statement	Weather Story	What's a "Watch?"

Quick View of Hazards, Simulated Radar Imagery, and Forecast Snow Totals (created at 6 AM 12/12)
Click Images To Enlarge

Winter Storm Warnings and Winter Weather Advisories are in effect until 5 pm Wednesday

High Wind Warnings are in effect for southeast Fremont and Natrona Counties until 2 PM Wednesday

High Wind Warnings are in effect for the Wind River Basin and Northeast Johnson County from noon today until midnight Wednesday night.

Current Radar Loop
Click Images To Enlarge

Radar simulation of timing of snow beginning
at 5 AM Wednesday until 8 PM Wednesday night. The
darker blue shades represent heavier snow.

Snow and Wind Forecasts for Wednesday
Click Images To Enlarge


Forecast Snowfall on Wednesday	Wednesday's Peak Wind Gusts

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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)
178 NOUS45 KRIW 140246 PNSRIW WYZ001>020-022>030-141446- Public Information Statement National Weather Service Riverton WY 846 PM MDT Wed May 13 2026 ...HIGHEST WIND REPORTS... Location Speed Time/Date Lat/Lon WY28 Red Canyon (DOT) 86 MPH 0522 PM 05/13 42.62N/108.61W Dickinson (PC) 66 MPH 0450 PM 05/13 42.35N/109.03W US20 Natrona (DOT) 65 MPH 0352 PM 05/13 43.03N/106.80W Lander Airport (ASOS) 64 MPH 0526 PM 05/13 42.82N/108.73W Cottonwood Merna (PC) 63 MPH 0440 PM 05/13 42.86N/110.30W Boysen Peak (AWOS) 63 MPH 0615 PM 05/13 43.47N/108.23W I-80 Tipton (DOT) 62 MPH 0152 PM 05/13 41.63N/108.30W Big Piney Airport (ASOS) 62 MPH 0417 PM 05/13 42.58N/110.10W WY258 Outer Drive (DOT) 62 MPH 0442 PM 05/13 42.81N/106.31W Dubois Airport (AWOS) 62 MPH 0135 PM 05/13 43.55N/109.68W Anderson Ridge 62 MPH 0550 PM 05/13 42.44N/108.95W Rock Springs Airport (ASOS) 61 MPH 0408 PM 05/13 41.60N/109.07W Horse Ranch Creek (PC) 61 MPH 0430 PM 05/13 43.18N/106.34W US20 Hiland (DOT) 60 MPH 0417 PM 05/13 43.09N/107.32W Jackson Airport (AWOS) 59 MPH 0538 PM 05/13 43.61N/110.73W WY120 Meeteetse Rim (DOT) 59 MPH 0246 PM 05/13 44.27N/108.87W Riverton Airport (ASOS) 59 MPH 0551 PM 05/13 43.07N/108.47W Wyopo (PC) 58 MPH 0520 PM 05/13 42.85N/108.68W 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. $$

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

                        
178
NOUS45 KRIW 140246
PNSRIW
WYZ001>020-022>030-141446-

Public Information Statement
National Weather Service Riverton WY
846 PM MDT Wed May 13 2026

...HIGHEST WIND REPORTS...

Location                     Speed     Time/Date       Lat/Lon
WY28 Red Canyon (DOT)        86 MPH    0522 PM 05/13   42.62N/108.61W
Dickinson (PC)               66 MPH    0450 PM 05/13   42.35N/109.03W
US20 Natrona (DOT)           65 MPH    0352 PM 05/13   43.03N/106.80W
Lander Airport (ASOS)        64 MPH    0526 PM 05/13   42.82N/108.73W
Cottonwood Merna (PC)        63 MPH    0440 PM 05/13   42.86N/110.30W
Boysen Peak (AWOS)           63 MPH    0615 PM 05/13   43.47N/108.23W
I-80 Tipton (DOT)            62 MPH    0152 PM 05/13   41.63N/108.30W
Big Piney Airport (ASOS)     62 MPH    0417 PM 05/13   42.58N/110.10W
WY258 Outer Drive (DOT)      62 MPH    0442 PM 05/13   42.81N/106.31W
Dubois Airport (AWOS)        62 MPH    0135 PM 05/13   43.55N/109.68W
Anderson Ridge               62 MPH    0550 PM 05/13   42.44N/108.95W
Rock Springs Airport (ASOS)  61 MPH    0408 PM 05/13   41.60N/109.07W
Horse Ranch Creek (PC)       61 MPH    0430 PM 05/13   43.18N/106.34W
US20 Hiland (DOT)            60 MPH    0417 PM 05/13   43.09N/107.32W
Jackson Airport (AWOS)       59 MPH    0538 PM 05/13   43.61N/110.73W
WY120 Meeteetse Rim (DOT)    59 MPH    0246 PM 05/13   44.27N/108.87W
Riverton Airport (ASOS)      59 MPH    0551 PM 05/13   43.07N/108.47W
Wyopo (PC)                   58 MPH    0520 PM 05/13   42.85N/108.68W

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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Current Radar & Web Cams - Click Thumbnails To Enlarge

Northern Rockies Radar	Riverton Radar

Pocatello	Billings

Salt Lake	Cheyenne

Road Conditions and Web Cameras click the WYDOT Logo for road conditions

Teton Pass - Hwy 22	Alpine Junction - U.S. Hwy 26/89/191	Jackson	Bondurant - U.S. Hwy 189

Togwotee Pass - U.S. Hwy 26	Dubois	Granite Pass - U.S. Hwy 14	Powder River Pass - U.S. Hwy 16

South Pass - Hwy 28	Salt River Pass	Buffalo - I-25/I-90 Interchange	Casper Mountain

I-80 - Little America	Beaver Rim - U.S. Hwy 287	I-80 - Rock Springs	I-80 - Laramie

Click Here to See All Webcams

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
Get the play-by-play on this storm and contribute your own snow reports to #wywx Follow Us on Twitter @NWSRiverton

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