Severe Thunderstorms in the Northern Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Severe thunderstorms, with a significant wind threat, will continue through tonight across the northern Plains. Wind gusts of 60 to 100 mph are possible. Heavy rainfall will continue through tonight from Oklahoma into Missouri, and in the Tennessee Valley through Monday. Critical fire weather conditions continue in the Southwest through Tuesday. Read More >

SYNOPSIS: Ongoing Light to occasional moderate snow over portions of western Wyoming is expected to continue this evening with a mix of rain and snow below 7000 feet. A strong cold front will push across Western Wyoming late tonight into early Wednesday morning with a 3 to 6 hour time frame when snowfall rates around an inch an hour could occur especially over far western Wyoming. Snow levels will also drop to valley floors with frontal passage. This strong cold front will push across the rest of the Cowboy State Wednesday bringing much colder temperatures along with some light to moderate snowfall. The winter storm comes to an end from northwest to southeast Wednesday afternoon and evening. For snowfall amounts, please check out the graphics below.

Road conditions can be found at wyoroad.info.
Please monitor JHAVALANCHE.org if your plans include travel into the back country.

IMPACTS:

	Snow causing slick road conditions across the west especially tonight and Wednesday. The rest of the area will see slick roads after frontal passage on Wednesday
	High winds from southeast Fremont County into Natrona County including the Casper area will create a blowover risk for lightweight or high-profile vehicles through Tonight.
	Cold and wet conditions could have a significant impact on young livestock especially in wake of the cold front Tonight and Wednesday.

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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 (created at 3 PM on 1/9)**

Click Image To Enlarge Winter Weather Advisory and Winter Storm Warning across western Wyoming in effect through Noon Wednesday. High Wind Warning in effect through midnight Tonight.

Snow Forecasts


Model Forecast of Hourly Precipitation Darker Blues indicate heavier snow Click Image To Enlarge	Forecast Snowfall Tonight thru Wednesday Evening Click Image To Enlarge

Wednesday's Forecast Peak Wind Gusts
Click Image To Enlarge

**High Temperature Forecasts**

Today's High Temperature Click Image To Enlarge	Wednesday's High Temperature Click Image To Enlarge

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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)

                        
777
NOUS45 KRIW 250107
PNSRIW
WYZ001>020-022>030-251200-

Public Information Statement
National Weather Service Riverton WY
706 PM MDT Sun May 24 2026

...12-hour Peak Wind Gusts Ending 6 PM Sunday...

Location                     Speed     Time/Date       Elevation
                                                       (ft.)

...Fremont County...
Dubois Airport (AWOS)        51 MPH    0255 PM 05/24   7297
Lander 1 (CWOP)              50 MPH    0305 PM 05/24   5797

...Lincoln County...
Mount Coffin (BTAC)          73 MPH    0215 PM 05/24   10855
Kemmerer Airport (AWOS)      46 MPH    1155 AM 05/24   7283

...Natrona County...
I-25 F Street (DOT)          58 MPH    0142 PM 05/24   5312
I-25 Hat Six (DOT)           51 MPH    0216 PM 05/24   5157
Casper Airport (ASOS)        44 MPH    0124 PM 05/24   5348

...Park County...
Mccullough Peaks (PC)        56 MPH    0120 PM 05/24   6077
WY296 Chief J Pass (DOT)     48 MPH    0102 PM 05/24   8084
Crandall                     48 MPH    0112 PM 05/24   6640
Cody Airport (AWOS)          46 MPH    0109 PM 05/24   5089

...Sweetwater County...
Rock Springs Airport (ASOS)  59 MPH    0400 PM 05/24   6765
I-80 Bitter Creek (DOT)      47 MPH    0202 PM 05/24   7133
I-80 Baxter Rd (DOT)         45 MPH    0116 PM 05/24   6345

...Teton County...
Surprise Pinnacle (BTAC)     48 MPH    1245 PM 05/24   9770

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

Teton Pass - Hwy 22	Alpine Junction - U.S. Hwy 26/89/191	Jackson	Togwotee Mountain Lodge

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

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

Casper	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	#WyoRoad Tweets
Get the play-by-play on this storm and contribute your own snow reports to #wywx Follow Us on Twitter @NWSRiverton	On the road? Tweet road conditions to #WyoRoad!

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	Check the latest Public Information Statement for the latest storm reports.
	Monitor current road conditions by visiting the Wyoming Dept. of Transportation (WYDOT) or by calling 5-1-1.
	Get current road conditions, web camera images, road alerts, and much more on your mobile device by downloading the Wyoming 511 Mobile App.