Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: High Wind Warning
Area(s): North Snowy Range Foothills
Effective: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 1:00 pm
Onset: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 1:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-06-17 @ 9:49 am
Headline: High Wind Warning issued June 17 at 8:49AM MDT until June 17 at 12:00PM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected.

* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80. This includes between mile markers
240 and 290.

* WHEN...Until noon MDT today.

* 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: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 1:00 pm
Onset: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 4:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-06-17 @ 9:49 am
Headline: High Wind Warning issued June 17 at 8:49AM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY
Description: * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...South Laramie Range Foothills.

* WHEN...Until 3 PM MDT this afternoon.

* 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: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 1:00 pm
Onset: 2026-06-17 @ 9:49 am -> 2026-06-17 @ 4:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-06-17 @ 9:49 am
Headline: High Wind Warning issued June 17 at 8:49AM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 30 to 40 mph with gusts up to 65 mph.

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

* WHEN...Until 3 PM MDT this afternoon.

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

Alert: Red Flag Warning
Area(s): Southern Black Hills; Fall River County Area; Custer County Plains; Pine Ridge Area; Badlands Area; Bennett County Area; Southern Campbell; Weston County Plains
Effective: 2026-06-17 @ 8:26 am -> 2026-06-17 @ 4:30 pm
Onset: 2026-06-17 @ 12:00 pm -> 2026-06-17 @ 9:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-06-17 @ 8:26 am
Headline: Red Flag Warning issued June 17 at 7:26AM MDT until June 17 at 8:00PM MDT by NWS Rapid City SD
Description: ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
SOUTHERN BLACK HILLS, FALL RIVER COUNTY AREA, CUSTER COUNTY PLAINS,
PINE RIDGE AREA, BADLANDS AREA, BENNETT COUNTY AREA, SOUTHERN
CAMPBELL, AND WESTON COUNTY PLAINS...

.A cold front moved through early this morning. Behind the cold
front, strong northwest winds from 25 to 35 mph with gusts from 40 to
55 mph are expected. Minimum relative humidity values will dip as low
as 18 percent, which is higher than normal thresholds. However, the
strong winds will make up the difference as well as antecedent D2 to
D3 drought and very dry weather over the past 1-2 weeks. Thus,
critical fire weather conditions are expected for parts of
northeastern Wyoming and southwestern South Dakota late this morning
through the early evening hours.

* AFFECTED AREA...Fire Weather Zones 315, 317, 321, 322, 325, 326,
332, and 333.

* TIMING...From 11 AM this morning to 8 PM MDT this evening.

* WINDS...Northwest winds 25 to 35 mph with gusts from 40 to 55 mph.

* RELATIVE HUMIDITY...Relative Humidity as low as 18 percent.

* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.

Alert: Red Flag Warning
Area(s): Pine Ridge/Nebraska National Forest; Box Butte/South Sioux/Niobrara River; Lower North Platte River Basin/Scottsbluff National Monument; Lodgepole Creek/Southern Nebraska Panhandle; Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland; Middle North Platte River Basin/Niobrara and Converse High Plains; Laramie Foothills and High Plains; Laramie East High Plains; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin
Effective: 2026-06-17 @ 2:41 am -> 2026-06-17 @ 7:00 pm
Onset: 2026-06-17 @ 2:41 am -> 2026-06-17 @ 11:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-06-17 @ 2:41 am
Headline: Red Flag Warning issued June 17 at 1:41AM MDT until June 17 at 10:00PM MDT by NWS Cheyenne WY
Description: * AFFECTED AREA...Fire weather zones 417, 418, 430, 431, 432,
433, 434, 435, 436, and 437.

* WIND...North to northwest winds gusting 35 to 50 mph.

* HUMIDITY...10 to 20 percent.

* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.