Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Fire Weather Watch
Area(s): Natrona County/Casper BLM
Effective: 2026-06-15 @ 1:44 am -> 2026-06-15 @ 5:00 pm
Onset: 2026-06-16 @ 1:00 pm -> 2026-06-16 @ 10:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Riverton WY on 2026-06-15 @ 1:44 am
Headline: Fire Weather Watch issued June 15 at 12:44AM MDT until June 16 at 9:00PM MDT by NWS Riverton WY
Description: The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Tuesday afternoon through Tuesday
evening.

* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and
Strong Gusty Winds could cause erratic fire behavior.

* AFFECTED AREA:
In Central WY...Fire Weather Zone 280.

* COUNTIES AFFECTED:
In Central WY...Natrona.

* WIND: West 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

* TEMPERATURES: Highs in the upper 80s to near 90 degrees.

Alert: High Wind Watch
Area(s): Central Laramie Range and Southwest Platte County
Effective: 2026-06-15 @ 1:40 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 10:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:40 am
Headline: High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 9:00AM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible.

* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.

* WHEN...From Tuesday evening through Wednesday morning.

* 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 Watch
Area(s): North Snowy Range Foothills
Effective: 2026-06-15 @ 1:40 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-16 @ 7:00 pm -> 2026-06-17 @ 1:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:40 am
Headline: High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 12:00PM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible.

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

* WHEN...From Tuesday evening through Wednesday morning.

* 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 Watch
Area(s): South Laramie Range; South Laramie Range Foothills
Effective: 2026-06-15 @ 1:40 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-16 @ 10:00 pm -> 2026-06-17 @ 4:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:40 am
Headline: High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible.

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

* WHEN...From Tuesday evening through Wednesday 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): 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; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin
Effective: 2026-06-15 @ 1:32 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-15 @ 1:00 pm -> 2026-06-15 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:32 am
Headline: Red Flag Warning issued June 15 at 12:32AM MDT until June 15 at 9:00PM MDT by NWS Cheyenne WY
Description: RED FLAG CONDITIONS LIKELY THROUGH WEDNESDAY EVENING FOR AREAS
EAST OF THE I-25 CORRIDOR.

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
FIRE WEATHER ZONES 417, 418, 432, 433, 434, 435, 436, AND 437...

* AFFECTED AREA...Fire weather zones 417, 418, 432, 433, 434,
435, 436, and 437.

* WIND...On Monday, north-northwest winds gusting 25 to 40 mph.
On Tuesday, west-northwest winds gusting 25 to 35 mph. On
Wednesday, northwest winds gusting 35 to 55 mph.

* HUMIDITY...10 to 15 percent each afternoon Monday through
Wednesday. Poor recoveries expected Tuesday night.

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

Alert: Fire Weather Watch
Area(s): Laramie Foothills and High Plains; Laramie East High Plains
Effective: 2026-06-15 @ 1:32 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:32 am
Headline: Fire Weather Watch issued June 15 at 12:32AM MDT until June 17 at 8:00PM MDT by NWS Cheyenne WY
Description: RED FLAG CONDITIONS LIKELY THROUGH WEDNESDAY EVENING FOR AREAS
EAST OF THE I-25 CORRIDOR.

* AFFECTED AREA...Fire weather zones 430 and 431.

* WIND... On Tuesday, northwest winds gusting 25 to 40 mph. On
Wednesday, northwest winds gusting 40 to 60 mph.

* HUMIDITY...10 to 15 percent on Tuesday and Wednesday
afternoons. Poor recoveries expected Tuesday night.

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

Alert: Fire Weather Watch
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; Bordeaux/Chugwater/Wheatland; Goshen/Middle-Lower North Platte River Basin
Effective: 2026-06-15 @ 1:32 am -> 2026-06-15 @ 7:00 pm
Onset: 2026-06-16 @ 1:00 pm -> 2026-06-17 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-06-15 @ 1:32 am
Headline: Fire Weather Watch issued June 15 at 12:32AM MDT until June 17 at 8:00PM MDT by NWS Cheyenne WY
Description: RED FLAG CONDITIONS LIKELY THROUGH WEDNESDAY EVENING FOR AREAS
EAST OF THE I-25 CORRIDOR.

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
FIRE WEATHER ZONES 417, 418, 432, 433, 434, 435, 436, AND 437...

* AFFECTED AREA...Fire weather zones 417, 418, 432, 433, 434,
435, 436, and 437.

* WIND...On Monday, north-northwest winds gusting 25 to 40 mph.
On Tuesday, west-northwest winds gusting 25 to 35 mph. On
Wednesday, northwest winds gusting 35 to 55 mph.

* HUMIDITY...10 to 15 percent each afternoon Monday through
Wednesday. Poor recoveries expected Tuesday night.

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

Alert: Red Flag Warning
Area(s): Fall River County Area; Pine Ridge Area; Badlands Area; Bennett County Area; Weston County Plains
Effective: 2026-06-14 @ 10:33 pm -> 2026-06-15 @ 6:45 am
Onset: 2026-06-15 @ 1:00 pm -> 2026-06-15 @ 9:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Rapid City SD on 2026-06-14 @ 10:33 pm
Headline: Red Flag Warning issued June 14 at 9:33PM MDT until June 15 at 8:00PM MDT by NWS Rapid City SD
Description: ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT MONDAY
DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY
AREA, PINE RIDGE AREA, BADLANDS AREA, BENNETT COUNTY AREA, AND WESTON
COUNTY PLAINS...

.Warmer dry air will push into the area tomorrow. Relative humidity
across portions of northeastern Wyoming and far southwestern South
Dakota will drop to near 15 percent. The dry air will combine with
gusty northwest winds to support critical fire weather conditions
Monday afternoon and early evening.

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

* TIMING...From noon to 8 PM MDT Monday.

* WINDS...Northwest winds 15 to 30 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...Relative Humidity as low as 15 percent.

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