Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: High Wind Warning
Area(s): Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains
Effective: 2025-12-16 @ 7:46 pm -> 2025-12-18 @ 3:00 am
Onset: 2025-12-17 @ 3:00 am -> 2025-12-17 @ 8:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2025-12-16 @ 7:46 pm
Headline: High Wind Warning issued December 16 at 6:46PM MST until December 18 at 2:00AM MST by NWS Billings MT
Description: * WHAT...West winds 35 to 45 mph with gusts up to 65 to 75 mph
expected.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
Northeast Bighorn Mountains.

* WHEN...From 2 AM Wednesday to 2 AM MST Thursday.

* IMPACTS...Damaging winds will blow down trees. Travel will be
difficult, especially for high profile vehicles. Recreation in high
country will be difficult.

* ADDITIONAL DETAILS...Areas of light snow are expected Wednesday
night, which combined with the strong winds could lead to blowing
snow and reduced visibility.

Alert: High Wind Warning
Area(s): Southern Big Horn; Bighorn Canyon; Sheridan Foothills
Effective: 2025-12-16 @ 7:46 pm -> 2025-12-18 @ 3:00 am
Onset: 2025-12-17 @ 3:00 am -> 2025-12-17 @ 8:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2025-12-16 @ 7:46 pm
Headline: High Wind Warning issued December 16 at 6:46PM MST until December 18 at 2:00AM MST by NWS Billings MT
Description: * WHAT...Southwest to west winds gusts 55 to 70 mph expected.

* WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In
Wyoming, Sheridan Foothills.

* WHEN...From 2 AM Wednesday to 2 AM MST Thursday.

* IMPACTS...Damaging winds may blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.
This includes travel on I-90 through Sheridan. Secure loose outdoor
items.

* ADDITIONAL DETAILS...Winds late tonight and Wednesday morning will
be erratic, with periodic strong winds surging down the mountain
slopes. Afternoon and evening winds will be out of the west to
northwest and steadier.

Alert: Air Quality Alert
Area(s): Northern Campbell; Southern Campbell
Effective: 2025-12-16 @ 6:53 pm
Onset: 2025-12-16 @ 6:53 pm -> 2025-12-18 @ 9:00 am
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Rapid City SD on 2025-12-16 @ 6:53 pm
Headline: Air Quality Alert issued December 16 at 5:53PM MST by NWS Rapid City SD
Description: The following message is transmitted in collaboration with the
Wyoming Department of Environmental Quality, Air Quality Division.

* WHAT...Southwest winds 30 to 40 mph. Gusts to 60 mph are expected,
especially across southern Campbell County. Winds will switch to
the northwest late Wednesday afternoon.

* WHERE...Powder River Basin of northeastern Wyoming.

* WHEN...Wednesday through early Thursday morning.

* IMPACTS...The strong winds will create blowing dust.

Alert: Winter Weather Advisory
Area(s): Sierra Madre Range; Snowy Range
Effective: 2025-12-16 @ 6:50 pm -> 2025-12-17 @ 7:00 pm
Onset: 2025-12-17 @ 10:00 am -> 2025-12-17 @ 6:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:50 pm
Headline: Winter Weather Advisory issued December 16 at 5:50PM MST until December 17 at 6:00PM MST by NWS Cheyenne WY
Description: * WHAT...Snow expected. Total snow accumulation of 5 to 10 inches,
mainly above 9000 feet in elevation. Winds gusting as high as 70
mph.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...From 9 AM to 6 PM MST Wednesday.

* IMPACTS...Outdoor recreation could become dangerous to those
caught unprepared for hazardous winter conditions. Hunters,
hikers, and snowmobilers may become disoriented and lost due to
low visibility in falling and blowing snow.

Alert: High Wind Warning
Area(s): North Laramie Range
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 6:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 30 to 50 mph with gusts up to 90 mph possible.

* WHERE...North Laramie Range.

* WHEN...From 5 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Ferris/Seminoe/Shirley Mountains; Shirley Basin; Central Carbon County
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 6:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph
expected.

* WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,
and Shirley Basin.

* WHEN...From 5 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

Alert: High Wind Warning
Area(s): Converse County Lower Elevations
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 4:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 30 to 50 mph with gusts up to 80 mph expected.

* WHERE...Converse County Lower Elevations.

* WHEN...From 3 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Upper North Platte River Basin; Laramie Valley
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.

* WHERE...Upper North Platte River Basin and Laramie Valley.

* WHEN...From 8 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Central Laramie County; East Laramie County
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 12:00 pm -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected.

* WHERE...Central Laramie County and East Laramie County.

* WHEN...From 11 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Central Laramie Range and Southwest Platte County; East Platte County
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 1:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 12:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 55 mph with gusts up to 90 mph expected.

* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland, and East Platte County.

* WHEN...From 8 AM Wednesday to midnight MST Wednesday Night.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): North Snowy Range Foothills
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 6:00 am
Onset: 2025-12-17 @ 4:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 5:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 40 to 50 mph with gusts up to 80 mph expected.

* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80.

* WHEN...From 3 AM Wednesday to 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

Alert: High Wind Warning
Area(s): South Laramie Range
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 6:00 am
Onset: 2025-12-17 @ 6:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 5:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 40 to 50 mph with gusts up to 80 mph expected.

* WHERE...South Laramie Range including the Interstate 80 Summit
between Cheyenne and Laramie.

* WHEN...From 5 AM Wednesday to 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

Alert: High Wind Warning
Area(s): South Laramie Range Foothills
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 6:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 5:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 30 to 50 mph with gusts up to 85 mph expected.

* WHERE...South Laramie Range Foothills.

* WHEN...From 8 AM Wednesday to 5 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Niobrara County; Goshen County
Effective: 2025-12-16 @ 6:08 pm -> 2025-12-18 @ 12:00 pm
Onset: 2025-12-17 @ 12:00 pm -> 2025-12-17 @ 6:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2025-12-16 @ 6:08 pm
Headline: High Wind Warning issued December 16 at 5:08PM MST until December 18 at 11:00AM MST by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.

* WHERE...Niobrara County and Goshen County.

* WHEN...From 11 AM Wednesday to 11 AM MST Thursday.

* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

* ADDITIONAL DETAILS...Wildfires will have the potential to spread
rapidly in these conditions.

Alert: High Wind Warning
Area(s): Southwest Wyoming
Effective: 2025-12-16 @ 3:07 pm -> 2025-12-17 @ 9:00 pm
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 3:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Salt Lake City UT on 2025-12-16 @ 3:07 pm
Headline: High Wind Warning issued December 16 at 2:07PM MST until December 17 at 8:00PM MST by NWS Salt Lake City UT
Description: * WHAT...West winds 35 to 45 mph with gusts to 60 mph expected.
There is a 10% chance wind gusts will exceed 70 mph between noon
and 4 PM.

* WHERE...Southwest Wyoming.

* WHEN...From 8 AM to 8 PM MST Wednesday.

* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult to impossible for
high profile vehicles and vehicles with trailers along SR-89 and
US-189 where strongest crosswinds are favored, in addition to I-80.

Alert: High Wind Warning
Area(s): Northern Campbell; Western Crook
Effective: 2025-12-16 @ 2:04 pm -> 2025-12-18 @ 9:00 am
Onset: 2025-12-17 @ 9:00 pm -> 2025-12-17 @ 5:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2025-12-16 @ 2:04 pm
Headline: High Wind Warning issued December 16 at 1:04PM MST until December 18 at 8:00AM MST by NWS Rapid City SD
Description: * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph
expected.

* WHERE...Northern Campbell and Western Crook.

* WHEN...From 8 PM Wednesday to 8 AM MST Thursday.

* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles. Strong winds can cause
blowing dust, reduced visibility, and flying debris.

Alert: High Wind Warning
Area(s): Southern Campbell; Weston County Plains
Effective: 2025-12-16 @ 2:04 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 6:00 am -> 2025-12-17 @ 5:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2025-12-16 @ 2:04 pm
Headline: High Wind Warning issued December 16 at 1:04PM MST until December 17 at 5:00PM MST by NWS Rapid City SD
Description: * WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph
expected.

* WHERE...Southern Campbell and Weston County Plains.

* WHEN...From 5 AM to 5 PM MST Wednesday.

* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles. Strong winds can cause
blowing dust, reduced visibility, and flying debris.

Alert: High Wind Warning
Area(s): Western Fall River; Newcastle
Effective: 2025-12-16 @ 2:04 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 12:00 pm -> 2025-12-17 @ 5:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2025-12-16 @ 2:04 pm
Headline: High Wind Warning issued December 16 at 1:04PM MST until December 17 at 5:00PM MST by NWS Rapid City SD
Description: * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected.

* WHERE...In South Dakota, Western Fall River. In Wyoming, Newcastle.

* WHEN...From 11 AM to 5 PM MST Wednesday.

* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles. Strong winds can cause
blowing dust, reduced visibility, and flying debris.

Alert: High Wind Warning
Area(s): Harding; Northern Perkins; Butte; Northern Meade Co Plains; Northern Foothills; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Southern Perkins; Northeastern Crook
Effective: 2025-12-16 @ 2:04 pm -> 2025-12-18 @ 12:00 pm
Onset: 2025-12-17 @ 1:00 pm -> 2025-12-17 @ 5:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2025-12-16 @ 2:04 pm
Headline: High Wind Warning issued December 16 at 1:04PM MST until December 18 at 11:00AM MST by NWS Rapid City SD
Description: * WHAT...West winds 35 to 55 mph with gusts up to 75 mph expected.

* WHERE...In South Dakota, Butte, Harding, Northern Foothills,
Northern Meade Co Plains, Northern Perkins, Southern Meade Co
Plains, Southern Perkins, and Sturgis/Piedmont Foothills. In
Wyoming, Northeastern Crook.

* WHEN...From noon Wednesday to 11 AM MST Thursday.

* IMPACTS...The high winds may blow down large trees and damage
roofs, small outbuildings, and signs. Power outages are possible.
Travel could be difficult, especially for high profile vehicles.
Strong winds can cause blowing dust, reduced visibility, and
flying debris.

Alert: High Wind Warning
Area(s): Northern Black Hills; Wyoming Black Hills
Effective: 2025-12-16 @ 2:04 pm -> 2025-12-18 @ 9:00 am
Onset: 2025-12-17 @ 3:00 pm -> 2025-12-17 @ 5:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2025-12-16 @ 2:04 pm
Headline: High Wind Warning issued December 16 at 1:04PM MST until December 18 at 8:00AM MST by NWS Rapid City SD
Description: * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected.
Some blowing snow may occur Wednesday night.

* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
Black Hills.

* WHEN...From 2 PM Wednesday to 8 AM MST Thursday.

* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles. Strong winds can cause
blowing dust, reduced visibility, and flying debris.

Alert: Winter Storm Warning
Area(s): Yellowstone National Park; Absaroka Mountains; Teton and Gros Ventre Mountains; Wind River Mountains West; Wind River Mountains East; Salt River and Wyoming Ranges
Effective: 2025-12-16 @ 12:31 pm -> 2025-12-18 @ 12:00 am
Onset: 2025-12-17 @ 2:00 am -> 2025-12-17 @ 8:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:31 pm
Headline: Winter Storm Warning issued December 16 at 11:31AM MST until December 17 at 11:00PM MST by NWS Riverton WY
Description: * WHAT...Heavy snow expected. Total snow accumulations 6 to 12
inches above 8000 feet possible, with amounts greater than 16
inches at the highest elevations. Widespread westerly winds
gusting 50 to 70 mph, with isolated stronger winds.

* WHERE...Portions of central, northwest, and west central Wyoming.

* WHEN...From 1 AM to 11 PM MST Wednesday.

* IMPACTS...Travel will likely be very difficult, especially along
mountain passes like Teton, Togwotee, and South Pass due to a
combination of strong winds and falling snow reducing visibilities.

* ADDITIONAL DETAILS...Areas of winds near 80 mph possible,
especially for eastern mountain slopes, like the eastern Absaroka
and Wind River Mountains. The heaviest snow occurs between about 5
AM and noon MST Wednesday, where snow rates will exceed 1 inch an
hour, and possibly 2 inches an hour.

Alert: High Wind Warning
Area(s): East Sweetwater County
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-18 @ 12:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 11:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.

* WHERE...East Sweetwater County.

* WHEN...From 8 AM to 11 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): Bighorn Mountains West; Bighorn Mountains Southeast
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-18 @ 12:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 11:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected.
Isolated stronger winds to 80 mph are possible on the eastern
slopes of the Bighorn Mountains.

* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.

* WHEN...From 8 AM to 11 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): Green Mountains and Rattlesnake Range; Natrona County Lower Elevations; Casper Mountain
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-18 @ 12:00 am
Onset: 2025-12-17 @ 2:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 11:00PM MST by NWS Riverton WY
Description: * WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph
expected.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range,
and Natrona County Lower Elevations.

* WHEN...From 1 AM to 11 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Wind prone locations, like Outer Drive in
Casper, could see stronger wind gusts up to around 75 mph.

Alert: High Wind Warning
Area(s): Upper Wind River Basin
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-18 @ 12:00 am
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 11:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.

* WHERE...Upper Wind River Basin.

* WHEN...From 8 AM to 11 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Snow is possible starting Wednesday morning,
continuing into the evening. Accumulations around Dubois will be
around half an inch to an inch.

Alert: High Wind Warning
Area(s): Absaroka Mountains
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 2:00 am
Onset: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 2:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 1:00AM MST by NWS Riverton WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 65 mph. Gusts up
to 80 mph possible along the eastern slopes.

* WHERE...Absaroka Mountains.

* WHEN...Until 1 AM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): North Bighorn Basin; Southeast Bighorn Basin
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 12:00 pm -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected.

* WHERE...Southeast Bighorn Basin and North Bighorn Basin.

* WHEN...From 11 AM to 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): Cody Foothills
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...Cody Foothills.

* WHEN...Until 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Downsloping winds from the Absaroka Mountains
may bring sudden increases in winds, with localized gusts up to 80
mph.

Alert: High Wind Warning
Area(s): Wind River Basin; Lander Foothills
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected.

* WHERE...Lander Foothills and Wind River Basin.

* WHEN...From 8 AM to 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Stronger winds up to 70 mph are possible
around the Lander Foothills.

Alert: High Wind Warning
Area(s): Jackson Hole; Star Valley
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 12:00 pm -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected.

* WHERE...Jackson Hole and Star Valley.

* WHEN...From 11 AM to 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): Northeast Johnson County; Southeast Johnson County; Upper Green River Basin Foothills; Upper Green River Basin; South Lincoln County; Rock Springs and Green River; Flaming Gorge
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.

* WHERE...Northeast Johnson County, Southeast Johnson County,
Flaming Gorge, Rock Springs and Green River, South Lincoln County,
Upper Green River Basin, and Upper Green River Basin Foothills.

* WHEN...From 8 AM to 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.

Alert: High Wind Warning
Area(s): Southwest Bighorn Basin; Owl Creek and Bridger Mountains
Effective: 2025-12-16 @ 12:25 pm -> 2025-12-17 @ 6:00 pm
Onset: 2025-12-17 @ 9:00 am -> 2025-12-17 @ 8:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Riverton WY on 2025-12-16 @ 12:25 pm
Headline: High Wind Warning issued December 16 at 11:25AM MST until December 17 at 5:00PM MST by NWS Riverton WY
Description: * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph
expected.

* WHERE...Owl Creek and Bridger Mountains and Southwest Bighorn
Basin.

* WHEN...From 8 AM to 5 PM MST Wednesday.

* IMPACTS...Damaging winds could blow down trees and power lines.
Travel will be difficult, especially for high profile vehicles.