KCWY News13 Weather | Casper, Wyoming | Interactive Radar | Forecast

Winter Storm Warning

Areas Affected: Bighorn Mountains Southeast

NWS Riverton (Western Wyoming)

...SIGNIFICANT SNOW OVER THE WEST ENDING THIS MORNING, BUT SHIFTING TO NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT, AND LASTING THROUGH FRIDAY EVENING... .A cold spring storm will impact the Cowboy State through Friday night with significant snowfall. The main impacts from this storm system will shift from western Wyoming this morning, into northern and central Wyoming later today and this evening as the rain and snow changes to all snow, and becomes heavy at times. The snow is gradually expected to taper off from north to south Friday afternoon into Friday night. ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...Snow will begin over the Bighorns this morning and continue, heavy at times into Friday evening.

* SNOW ACCUMULATION...12 to 18 inches.

* MAIN IMPACT...Slushy to snow packed roads will make travel difficult on Powder River and Granite Passes.

* OTHER IMPACTS...Heavy snow will reduce visibility below a quarter mile at times.

A winter storm warning means significant amounts of snow, and or blowing snow are expected or occurring. This could make travel very hazardous or impossible. If you must travel keep some food, water, and an extra flashlight in your vehicle in case of an emergency. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.


Winter Storm Warning

Areas Affected: Converse County Lower Elevations; Niobrara County

NWS Cheyenne (Southeastern Wyoming and Western Nebraska)

...Strong Spring Storm to Bring Widespread Moderate to Heavy Snow Returns Portions of Southeast Wyoming and the Northern Nebraska Panhandle Today through Friday... ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... The National Weather Service in Cheyenne has issued a Winter Storm Warning for Heavy Snow, which is in effect from 6 PM this evening to 6 PM MDT Friday.

* TIMING...Rain will change to snow early this evening, with moderate to heavy snow expected at times through Friday afternoon.

* TOTAL SNOW ACCUMULATIONS...5 to 8 inches.

* WINDS/VISIBILITY...Northeast winds 10 to 20 mph. Visibility will be reduced to one half mile at times in snow.

* IMPACTS...Travel could become dangerous due to snow covered roads and low visibility. Heavy snow on fully leafed trees could cause tree damage, with the possibility of tree branches falling onto power lines and causing power outages.

A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency.


Winter Storm Warning

Areas Affected: Ferris, Seminoe, Shirley Mountains; North Laramie Range; Shirley Basin

NWS Cheyenne (Southeastern Wyoming and Western Nebraska)

...Strong Spring Storm to Bring Widespread Moderate to Heavy Snow Returns Portions of Southeast Wyoming and the Northern Nebraska Panhandle Today through Friday... ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT FRIDAY NIGHT... The National Weather Service in Cheyenne has issued a Winter Storm Warning for Heavy Snow, which is in effect from 6 PM this evening to midnight MDT Friday night.

* TIMING...Moderate to heavy snow will develop this evening and will continue at times through Friday evening.

* TOTAL SNOW ACCUMULATIONS...4 to 8 inches below 7500 feet in northern Carbon and Albany Counties and in the North Laramie Range, with 8 to 14 inches above 7500 feet.

* WINDS/VISIBILITY...North to northwest 5 to 15 mph today, becoming north to northeast 15 to 20 mph with higher gusts on Friday afternoon. Visibility will be reduced to one half mile at times.

* IMPACTS...Travel could become dangerous due to snow covered roads and low visibility. Heavy snow on fully leafed trees could cause tree damage, with the possibility of tree branches falling onto power lines and causing power outages.

A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency.


Winter Storm Warning

Areas Affected: Natrona County Lower Elevations

NWS Riverton (Western Wyoming)

...SIGNIFICANT SNOW OVER THE WEST ENDING THIS MORNING, BUT SHIFTING TO NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT, AND LASTING THROUGH FRIDAY EVENING... .A cold spring storm will impact the Cowboy State through Friday night with significant snowfall. The main impacts from this storm system will shift from western Wyoming this morning, into northern and central Wyoming later today and this evening as the rain and snow changes to all snow, and becomes heavy at times. The snow is gradually expected to taper off from north to south Friday afternoon into Friday night. ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...A mix of rain and snow will change to snow by this evening. Periods of snow will continue into Friday evening.

* SNOW ACCUMULATION...5 to 9 inches, with the highest amounts in northern Natrona County and lesser amounts toward Casper.

* MAIN IMPACT...Roads will likely become slushy to snow covered later tonight, and remain slick at times through Friday night. The worst driving conditions should occur Friday morning, with some improvement in road conditions by midday Friday.

* OTHER IMPACTS...Heavy snow will reduce visibility below a quarter mile at times.

A winter storm warning means significant amounts of snow, and or blowing snow are expected or occurring. This could make travel very hazardous or impossible. If you must travel keep some food, water, and an extra flashlight in your vehicle in case of an emergency. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.


Winter Storm Warning

Areas Affected: Northeast Big Horn Mountains

NWS Billings (Southeastern Montana)

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT... The National Weather Service in Billings has issued a Winter Storm Warning for Heavy Snow...which is in effect until Midnight MDT Friday Night.

* IMPACTS...Heavy, wet snow will cause difficult travel conditions due to poor visibility and snow packed roads. This includes Highway 14 through Burgess Junction. Power outages are possible.

* TIMING...Snow will develop this morning and continue through Friday afternoon. The snow will be heavy at times, especially this afternoon through Friday morning. Snow will taper off Friday afternoon and evening.

* SNOW ACCUMULATION...12 to 18 inches with higher amounts possible. Precautionary/preparedness actions... A Winter Storm Warning means a significant amount of snow is expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible. &&


Winter Storm Warning

Areas Affected: Northeast Johnson County; Southeast Johnson County

NWS Riverton (Western Wyoming)

...SIGNIFICANT SNOW OVER THE WEST ENDING THIS MORNING, BUT SHIFTING TO NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT, AND LASTING THROUGH FRIDAY EVENING... .A cold spring storm will impact the Cowboy State through Friday night with significant snowfall. The main impacts from this storm system will shift from western Wyoming this morning, into northern and central Wyoming later today and this evening as the rain and snow changes to all snow, and becomes heavy at times. The snow is gradually expected to taper off from north to south Friday afternoon into Friday night. ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...A mix of rain and snow will change to all snow this evening and continue through Friday.

* SNOW ACCUMULATION...5 to 9 inches, with the highest amounts in the foothills of the Bighorns.

* MAIN IMPACT...Roads are expected to become slushy to snow covered tonight. Travel could become difficult at times especially late tonight and Friday morning.

* OTHER IMPACTS...Heavy snow will reduce visibility below a quarter mile at times.

A winter storm warning means significant amounts of snow, and or blowing snow are expected or occurring. This could make travel very hazardous or impossible. If you must travel keep some food, water, and an extra flashlight in your vehicle in case of an emergency. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.


Winter Storm Warning

Areas Affected: Sheridan Foothills

NWS Billings (Southeastern Montana)

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT... The National Weather Service in Billings has issued a Winter Storm Warning for Heavy Snow...which is in effect until Midnight MDT Friday Night.

* IMPACTS...Heavy, wet snow will cause difficult travel conditions due to poor visibility and snow packed roads. This includes Interstate 90 and Highway 14. Power outages are possible.

* TIMING...Rain and snow will develop this morning and change to all snow this afternoon. Snow will continue through Friday afternoon before tapering off by Friday evening. Heaviest period of snowfall will be this evening through Friday morning.

* SNOW ACCUMULATION...6 to 10 inches for the foothills and areas west of Interstate 90, with 4 to 8 inches for eastern Plains locations, including the city of Sheridan. Precautionary/preparedness actions... A Winter Storm Warning means a significant amount of snow is expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible. &&


Winter Storm Warning

Areas Affected: Sierra Madre Range; Snowy Range

NWS Cheyenne (Southeastern Wyoming and Western Nebraska)

...Strong Spring Storm to Bring Widespread Moderate to Heavy Snow Returns Portions of Southeast Wyoming and the Northern Nebraska Panhandle Today through Friday... ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT FRIDAY NIGHT... The National Weather Service in Cheyenne has upgraded the Winter Weather Advisory to a Winter Storm Warning for Heavy Snow and Blowing Snow, which is in effect until midnight MDT Friday night.

* TIMING...Moderate snow will continue through the afternoon, with a break in activity expected early this evening. Moderate to heavy snow will then return by midnight tonight and will continue periodically through Friday evening.

* TOTAL SNOW ACCUMULATIONS...9 to 16 inches, with locally higher amounts under any thunderstorms that develop this afternoon.

* WINDS/VISIBILITY...Southwest 10 to 20 mph this morning, becoming west 20 to 30 mph with gusts to 40 mph this afternoon. Visibility may be reduced to one half mile or less at times in snow and blowing snow.

* IMPACTS...Hazardous travel likely due to snow covered roads and low visibility. Those planning outdoor recreation in the mountains should be prepared for heavy snow conditions and low visibility at times.

A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency.


Winter Storm Warning

Areas Affected: Southern Campbell

NWS RapidCity (Western South Dakota and Northeastern Wyoming)

...Winter weather to return to Northeastern Wyoming and southwestern South Dakota tonight into Friday... .Another spring storm system will move through portions of the Northern Plains tonight. Low pressure will strengthen across the Northern Rockies today and shift into eastern Wyoming tonight. Rain and snow will develop through the day today, then transition to all snow by early this evening. Snow will continue overnight and into Friday morning, then finally diminish Friday afternoon as the low pressure system slides southeast of the area. The heaviest snow is expected to fall across southern Campbell County, where 6 to 8 inches of snow is expected by late Friday afternoon. ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... The National Weather Service in Rapid City has issued a Winter Storm Warning for heavy snow, which is in effect from 6 PM this evening to 6 PM MDT Friday.

* TIMING...Rain and snow will develop today, becoming all snow by this evening. Snow, heavy at times, will continue through the day on Friday.

* MAIN IMPACT...Snowfall totals of 6 to 8 inches are expected.

* OTHER IMPACTS...Visibilities will be reduced to less than a quarter mile in the heavier snow.

A winter storm warning for heavy snow means snow accumulations will create dangerous conditions.


Winter Storm Warning

Areas Affected: Wind River Mountains East

NWS Riverton (Western Wyoming)

...SIGNIFICANT SNOW OVER THE WEST ENDING THIS MORNING, BUT SHIFTING TO NORTHERN AND CENTRAL WYOMING TODAY AND TONIGHT, AND LASTING THROUGH FRIDAY EVENING... .A cold spring storm will impact the Cowboy State through Friday night with significant snowfall. The main impacts from this storm system will shift from western Wyoming this morning, into northern and central Wyoming later today and this evening as the rain and snow changes to all snow, and becomes heavy at times. The snow is gradually expected to taper off from north to south Friday afternoon into Friday night. ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT FRIDAY NIGHT...

* TIMING...Periods of snow will become steadier and heavier late today and continue into Friday evening.

* Snow Accumulation...8 to 15 inches.

* MAIN IMPACT...Slushy to snow packed roads will make travel difficult, including over South Pass.

* OTHER IMPACTS...Heavy snow will reduce visibility below a quarter mile at times.

A winter storm warning means significant amounts of snow, and or blowing snow are expected or occurring. This could make travel very hazardous or impossible. If you must travel keep some food, water, and an extra flashlight in your vehicle in case of an emergency. Check the latest road conditions at wyoroad.info or by dialing 5 1 1.


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Updated: 6:20 AM - April 27th, 2017