Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

SYNOPSIS: Areas of light to moderate snow will continue across most of Wyoming today, and across the southern half of the state thru this evening. Snow will taper off across the area overnight, leaving bitter cold temperatures across the area through Wednesday. Low temperatures will be mostly from -15F to -25F across north and central Wyoming Tuesday morning.

IMPACTS:

**Current Radar and Forecast of Heavier Snowfall**

Click Image To Enlarge Heavier areas of snow in darker blues and green colors.	Click Image To Enlarge Weather model simulation of snow development across the area from 5 am Monday until midnight Monday night. Expected heavier snow bands depicted in darker blue shades.

Video Briefing
Created at 3 PM on February 18th

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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 Winter Hazards and Forecast Snow Totals**

Click Image To Enlarge Winter Storm Warnings and Advisories are in effect Tonight into Monday Latest Winter Storm Warning and Advisory Statement	Click Image To Enlarge New snowfall expected from 5 PM Sunday until 5 PM Monday

**Quick View of Expected High and Low Temperatures Monday and Tuesday**

Click Image To Enlarge Forecast High Temperatures on Monday, February 19th.	Click Image To Enlarge Forecast Low Temperatures on Tuesday Morning, February 20th

Click Image To Enlarge Forecast High Temperatures on Tuesday, February 20th.	Click Image To Enlarge Forecast Low Temperatures on Wednesday Morning, February 21st

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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)
220 NOUS45 KRIW 171517 PNSRIW WYZ001>020-022>030-180312- Public Information Statement National Weather Service Riverton WY 812 AM MST Sat Jan 17 2026 ...Highest Wind Reports Thursday through Friday... Strong winds impacted portions of central and northern Wyoming beginning on Thursday, January 15th. Below are gusts of at least 58 mph. Location Speed Time/Date Elevation (ft.) ...Big Horn County... Willow Creek 70 MPH 0549 PM 01/15 4310 Greybull Airport (ASOS) 63 MPH 0725 PM 01/15 3934 ...Fremont County... Camp Creek 62 MPH 1150 AM 01/15 7380 ...Johnson County... School House 85 MPH 0447 AM 01/16 8604 I-90 Indian Creek Rd (DOT) 79 MPH 1128 AM 01/16 4605 Buffalo Airport (ASOS) 78 MPH 0842 AM 01/16 4925 Poker Creek 77 MPH 0846 AM 01/16 6439 Buffalo 1 (CWOP) 75 MPH 1230 PM 01/16 4675 I-90 Piney Creek (DOT) 65 MPH 0616 AM 01/16 4633 Purdy East (PC) 64 MPH 0300 PM 01/15 4687 Buffalo South (PC) 64 MPH 0900 AM 01/16 4511 Buffalo 2 (CWOP) 62 MPH 0915 AM 01/16 4370 I-90 Dead Horse (DOT) 59 MPH 1148 AM 01/16 4022 I-25 Tisdale Divide (DOT) 58 MPH 0352 PM 01/15 4990 ...Natrona County... Scenic Dr (PC) 72 MPH 1010 AM 01/16 5827 I-25 Twenty Mile Hill (DOT) 65 MPH 0412 PM 01/15 5656 Casper Airport (ASOS) 62 MPH 1011 AM 01/16 5348 Claude Creek (PC) 61 MPH 1030 AM 01/16 6282 Casper Mtn Rd (PC) 61 MPH 1110 AM 01/16 6302 I-25 Smokey Gap (DOT) 60 MPH 0356 PM 01/15 5161 US20 Natrona (DOT) 60 MPH 1026 AM 01/16 5594 US20 Hiland (DOT) 60 MPH 1059 AM 01/16 6115 ...Washakie County... Leigh Creek 68 MPH 0314 AM 01/16 8202 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)

                        
220
NOUS45 KRIW 171517
PNSRIW
WYZ001>020-022>030-180312-

Public Information Statement
National Weather Service Riverton WY
812 AM MST Sat Jan 17 2026

...Highest Wind Reports Thursday through Friday...

Strong winds impacted portions of central and northern Wyoming
beginning on Thursday, January 15th. Below are gusts of at least 58
mph.

Location                     Speed     Time/Date   Elevation (ft.)

...Big Horn County...
Willow Creek                 70 MPH    0549 PM 01/15   4310
Greybull Airport (ASOS)      63 MPH    0725 PM 01/15   3934

...Fremont County...
Camp Creek                   62 MPH    1150 AM 01/15   7380

...Johnson County...
School House                 85 MPH    0447 AM 01/16   8604
I-90 Indian Creek Rd (DOT)   79 MPH    1128 AM 01/16   4605
Buffalo Airport (ASOS)       78 MPH    0842 AM 01/16   4925
Poker Creek                  77 MPH    0846 AM 01/16   6439
Buffalo 1 (CWOP)             75 MPH    1230 PM 01/16   4675
I-90 Piney Creek (DOT)       65 MPH    0616 AM 01/16   4633
Purdy East (PC)              64 MPH    0300 PM 01/15   4687
Buffalo South (PC)           64 MPH    0900 AM 01/16   4511
Buffalo 2 (CWOP)             62 MPH    0915 AM 01/16   4370
I-90 Dead Horse (DOT)        59 MPH    1148 AM 01/16   4022
I-25 Tisdale Divide (DOT)    58 MPH    0352 PM 01/15   4990

...Natrona County...
Scenic Dr (PC)               72 MPH    1010 AM 01/16   5827
I-25 Twenty Mile Hill (DOT)  65 MPH    0412 PM 01/15   5656
Casper Airport (ASOS)        62 MPH    1011 AM 01/16   5348
Claude Creek (PC)            61 MPH    1030 AM 01/16   6282
Casper Mtn Rd (PC)           61 MPH    1110 AM 01/16   6302
I-25 Smokey Gap (DOT)        60 MPH    0356 PM 01/15   5161
US20 Natrona (DOT)           60 MPH    1026 AM 01/16   5594
US20 Hiland (DOT)            60 MPH    1059 AM 01/16   6115

...Washakie County...
Leigh Creek                  68 MPH    0314 AM 01/16   8202

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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