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Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

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


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.

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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

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

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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
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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)

                        
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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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. 

 

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