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Strong to Severe Storms in the Upper Midwest; Bering Sea Low Continues to Impact Southwest Alaska

Scattered severe thunderstorms are possible Thursday across central and eastern Minnesota, Iowa, and western Wisconsin. A few tornadoes, isolated very large hail, and damaging winds may occur. In southwest Alaska, a Bering Sea low continues to cause strong winds, significant rainfall, and high seas, with further impacts expected Friday into the weekend from a North Pacific storm. Read More >

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


SYNOPSIS:

A strong weather system will continue to impact the area today through the day Friday with significant snow and wind.  Snow levels are at, or will lower to valley floors across western Wyoming over the next few hours as a cold front begins to pull through the area.  Strong to high wind, rain showers and thunderstorms along with falling temperatures are expected east of the Continental Divide, and across Sweetwater County this afternoon.  Rain in the lower elevations east of the Divide, are expected to change over to snow late this afternoon or evening.  Snow and strong wind will continue tonight into the day Friday across much of the area east of the Divide with the most impacts occurring across northern Wyoming.  Near blizzard conditions are possible across Johnson County late Thursday night and Friday.

IMPACTS:

  • Slick & snow covered roads.
  • Road closures are possible especially across northern Johnson County Thursday night and Friday.
  • Strong winds at times will create a risk for a blow over for light-weight or high-profile vehicles.
     

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Quick View of Hazards and Forecast Snow Totals (created at 11:30 AM on 4/12)
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Winter Storm Warning in effect for Northwestern WY

Winter Weather Advisories are in effect in western & north central WY

High Wind Warning in effect in portions of southern and central WY

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Forecast Snowfall
for Thursday and Friday



Snow and Wind Forecasts

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Today's Snowfall Forecast
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Today's Peak Wind Gusts
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Day 2 Snowfall Forecast
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Day 2 Peak Wind Gusts
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Day 3 Snowfall Forecast
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Day 3 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)

                        
812
NOUS45 KRIW 190145
PNSRIW
WYZ001>020-022>030-191345-

Public Information Statement
National Weather Service Riverton WY
745 PM MDT Wed Sep 18 2024

...HIGHEST WIND REPORTS...

Location                     Speed     Time/Date       Elevation (ft.)

...Wyoming...

...Fremont County...
Muddy Gap 7 SW               78 MPH    0650 AM 09/18   7379

...Johnson County...
Buffalo 18 NW                70 MPH    0447 PM 09/18   8604
Kaycee 12 N (WYDOT)          56 MPH    0316 PM 09/18   5240

...Natrona County...
Hiland 16 S                  83 MPH    0910 AM 09/18   6379
Casper Mountain Rd           82 MPH    0900 AM 09/18   6302
Scenic Dr                    82 MPH    1120 AM 09/18   5827
Casper 2.1 SW (WYDOT)        70 MPH    1156 AM 09/18   5462
I25 - Hat Six                70 MPH    1226 PM 09/18   5157
Muddy Creek                  69 MPH    0450 AM 09/18   5571
Claude Creek                 68 MPH    0430 AM 09/18   6282
Bar Nunn 13.6 N (WYDOT)      61 MPH    1102 AM 09/18   5656
Casper Airport               60 MPH    0848 AM 09/18   5327
Mills 2 NE (WYDOT)           60 MPH    1242 PM 09/18   5312
Alcova 7 W (WYDOT)           60 MPH    0256 PM 09/18   6345
Coates Rd                    57 MPH    1130 AM 09/18   5866
Stag Run                     56 MPH    0110 PM 09/18   8095
Whitcomb Road                55 MPH    1230 PM 09/18   7987

...Park County...
Cody                         60 MPH    0405 PM 09/18   5120
Irma Lake                    59 MPH    0140 PM 09/18   6222
Sunlight Basin 8 E (WYDOT)   57 MPH    1042 AM 09/18   8083
Cedar Mountain               56 MPH    1130 AM 09/18   7542

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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