Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Severe Thunderstorm Warning
Area(s): Niobrara, WY
Effective: 2026-05-30 @ 3:41 pm -> 2026-05-30 @ 4:15 pm
Onset: 2026-05-30 @ 3:41 pm -> 2026-05-30 @ 4:15 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Cheyenne WY on 2026-05-30 @ 3:41 pm
Headline: Severe Thunderstorm Warning issued May 30 at 2:41PM MDT until May 30 at 3:15PM MDT by NWS Cheyenne WY
Description: At 241 PM MDT, a severe thunderstorm was located near Van Tassell, or
16 miles southeast of Lusk, moving north at 25 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

Locations impacted include...
Van Tassell.

Alert: Special Weather Statement
Area(s): Niobrara County; Goshen County
Effective: 2026-05-30 @ 3:37 pm -> 2026-05-30 @ 4:15 pm
Onset: 2026-05-30 @ 3:37 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-30 @ 3:37 pm
Headline: Special Weather Statement issued May 30 at 2:37PM MDT by NWS Cheyenne WY
Description: At 237 PM MDT, Doppler radar was tracking a strong thunderstorm over
Rawhide Buttes, or 12 miles south of Lusk, moving northwest at 25
mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Lusk, Manville, Keeline, Rawhide Buttes, and Niobrara County
Fairgrounds.

Alert: Severe Thunderstorm Watch
Area(s): Banner, NE; Box Butte, NE; Cheyenne, NE; Dawes, NE; Kimball, NE; Morrill, NE; Scotts Bluff, NE; Sioux, NE; Goshen, WY; Laramie, WY; Niobrara, WY
Effective: 2026-05-30 @ 3:18 pm -> 2026-05-30 @ 10:00 pm
Onset: 2026-05-30 @ 3:18 pm -> 2026-05-30 @ 10:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-30 @ 3:18 pm
Headline: Severe Thunderstorm Watch issued May 30 at 2:18PM MDT until May 30 at 9:00PM MDT by NWS Cheyenne WY
Description: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
252 IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS

IN NEBRASKA THIS WATCH INCLUDES 8 COUNTIES

IN PANHANDLE NEBRASKA

BANNER BOX BUTTE CHEYENNE
DAWES KIMBALL MORRILL
SCOTTS BLUFF SIOUX

IN WYOMING THIS WATCH INCLUDES 3 COUNTIES

IN EAST CENTRAL WYOMING

NIOBRARA

IN SOUTHEAST WYOMING

GOSHEN LARAMIE

THIS INCLUDES THE CITIES OF AGATE, ALLIANCE, ANGORA, BAYARD,
BRIDGEPORT, BROWNSON, CHADRON, CHADRON ST PARK, CHEYENNE, GERING,
HARRISBURG, HARRISON, HEMINGFORD, KIMBALL, LUSK, REDBIRD,
REDINGTON, SCOTTSBLUFF, SIDNEY, AND TORRINGTON.

Alert: Severe Thunderstorm Watch
Area(s): Custer, SD; Fall River, SD; Meade, SD; Oglala Lakota, SD; Pennington, SD; Weston, WY
Effective: 2026-05-30 @ 3:17 pm -> 2026-05-30 @ 10:00 pm
Onset: 2026-05-30 @ 3:17 pm -> 2026-05-30 @ 10:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Rapid City SD on 2026-05-30 @ 3:17 pm
Headline: Severe Thunderstorm Watch issued May 30 at 2:17PM MDT until May 30 at 9:00PM MDT by NWS Rapid City SD
Description: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
252 IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR THE FOLLOWING AREAS

IN SOUTH DAKOTA THIS WATCH INCLUDES 5 COUNTIES

IN SOUTHWEST SOUTH DAKOTA

CUSTER FALL RIVER OGLALA LAKOTA

IN WEST CENTRAL SOUTH DAKOTA

MEADE PENNINGTON

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTHEAST WYOMING

WESTON

THIS INCLUDES THE CITIES OF BUCKHORN, CLARETON, CUSTER,
DOWNTOWN NEWCASTLE, EDGEMONT, FAITH, FOUR CORNERS, HERMOSA,
HILL CITY, HOT SPRINGS, KYLE, MORRISEY, OGLALA, PINE RIDGE,
RAPID CITY, ROCHELLE, STURGIS, UNION CENTER, UPTON, AND WALL.

THIS INCLUDES THE TRIBAL LANDS OF THE PINE RIDGE RESERVATION.

Alert: Flash Flood Watch
Area(s): Red Lodge Foothills; Southern Rosebud; Absaroka/Beartooth Mountains; Northeast Bighorn Mountains; Sheridan Foothills
Effective: 2026-05-30 @ 3:08 pm -> 2026-05-31 @ 1:00 am
Onset: 2026-05-30 @ 3:08 pm -> 2026-05-31 @ 1:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Billings MT on 2026-05-30 @ 3:08 pm
Headline: Flash Flood Watch issued May 30 at 2:08PM MDT until May 31 at 12:00AM MDT by NWS Billings MT
Description: * WHAT...Flash flooding and debris flows caused by excessive rainfall
are possible over the North Remington McGhee, Elk, Robertson Draw,
and East Side burn areas.

* WHERE...Portions of Montana, including the following areas,
Absaroka/Beartooth Mountains, Red Lodge Foothills and Southern
Rosebud and north central Wyoming, including the following areas,
Northeast Bighorn Mountains and Sheridan Foothills.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Periods of heavy rainfall with embedded thunderstorms are
expected over the North Remington McGhee, Elk, Robertson Draw, and
East Side burn areas this afternoon and evening. Residents in and
downstream of these burn areas should be prepared for potential
rapid runoff, flooding, and debris flows. Narrow drainages and
low-lying areas are especially prone to flooding. Be sure to stay
up to date with information from local authorities.

* ADDITIONAL DETAILS...
- Periods of heavy rainfall with embedded thunderstorms are
expected across the region. The North Remington burn area in
southern Rosebud County, Elk burn area along the eastern slopes
of the Bighorn Mountains, and the Robertson Draw and East Side
burn areas south of Red Lodge, could experience flash flooding
and debris flows. Stay alert!
- http://www.weather.gov/safety/flood

Alert: High Wind Warning
Area(s): North Snowy Range Foothills
Effective: 2026-05-30 @ 1:34 pm -> 2026-05-31 @ 6:00 am
Onset: 2026-05-30 @ 5:00 pm -> 2026-05-31 @ 10:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-30 @ 1:34 pm
Headline: High Wind Warning issued May 30 at 12:34PM MDT until May 31 at 9:00AM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 25 to 40 mph with gusts up to 65 mph expected.

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

* WHEN...From 4 PM this afternoon to 9 AM MDT Sunday.

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

* ADDITIONAL DETAILS...Late afternoon showers and thunderstorms on
Saturday may result in brief wind gusts up to 65 mph. This is in
addition to the very windy conditions tonight.

Alert: High Wind Watch
Area(s): Central Laramie Range and Southwest Platte County; South Laramie Range; South Laramie Range Foothills
Effective: 2026-05-30 @ 1:34 pm -> 2026-05-31 @ 6:00 am
Onset: 2026-05-30 @ 10:00 pm -> 2026-05-31 @ 4:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-30 @ 1:34 pm
Headline: High Wind Watch issued May 30 at 12:34PM MDT until May 31 at 3:00PM MDT by NWS Cheyenne WY
Description: * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible.

* WHERE...Southeast Wyoming wind-prone areas including Interstate 80
near Arlington and the Summit and Interstate 25 near Bordeaux, and
South Laramie Range Foothills.

* WHEN...From 9 PM MDT this evening through Sunday afternoon.

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