Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Severe Thunderstorm Warning
Area(s): Crook, WY; Weston, WY
Effective: 2026-07-07 @ 6:44 pm -> 2026-07-07 @ 7:45 pm
Onset: 2026-07-07 @ 6:44 pm -> 2026-07-07 @ 7:45 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Rapid City SD on 2026-07-07 @ 6:44 pm
Headline: Severe Thunderstorm Warning issued July 7 at 5:44PM MDT until July 7 at 6:45PM MDT by NWS Rapid City SD
Description: SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
Southern Crook County in northeastern Wyoming...
Northern Weston County in northeastern Wyoming...

* Until 645 PM MDT.

* At 544 PM MDT, a severe thunderstorm was located 11 miles southwest
of Upton, or 28 miles west of Newcastle, moving northeast 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...
Upton and Osage.

Alert: Special Weather Statement
Area(s): Bighorn Mountains Southeast; Southeast Johnson County
Effective: 2026-07-07 @ 6:35 pm -> 2026-07-07 @ 7:00 pm
Onset: 2026-07-07 @ 6:35 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Riverton WY on 2026-07-07 @ 6:35 pm
Headline: Special Weather Statement issued July 7 at 5:35PM MDT by NWS Riverton WY
Description: At 535 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles northwest of Hole In The Wall, which is 16 miles west of
Kaycee, moving east at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could blow around unsecured objects. Minor hail
damage to vegetation is possible.

This storm will remain over mainly rural areas of southwestern
Johnson County, including the following locations... Barnum.

Alert: Special Weather Statement
Area(s): Owl Creek and Bridger Mountains; Bighorn Mountains West; Wind River Basin; Green Mountains and Rattlesnake Range; Natrona County Lower Elevations
Effective: 2026-07-07 @ 6:32 pm -> 2026-07-07 @ 7:00 pm
Onset: 2026-07-07 @ 6:32 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Riverton WY on 2026-07-07 @ 6:32 pm
Headline: Special Weather Statement issued July 7 at 5:32PM MDT by NWS Riverton WY
Description: At 532 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles northeast of Shoshoni to near Sand
Draw. Movement was east at 55 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could blow around unsecured objects.

Strong thunderstorms will be near...
Lysite and Moneta around 545 PM MDT.
Lost Cabin around 550 PM MDT.

Other locations in the path of these storms include Castle Gardens.

Alert: Special Weather Statement
Area(s): North Snowy Range Foothills
Effective: 2026-07-07 @ 6:00 pm -> 2026-07-07 @ 10:00 pm
Onset: 2026-07-07 @ 6:00 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-07-07 @ 6:00 pm
Headline: Special Weather Statement issued July 7 at 5:00PM MDT by NWS Cheyenne WY
Description: Gusty showers are ongoing across Interstate 80 near Arlington and
Elk Mountain, or mile markers 240 to 290. Sudden, isolated gusts
up to 60mph are likely, with the occasional gust over 70mph
possible. Showers have little to no lightning or rain with them,
but the gusts will be sudden. Use caution if traveling in this
area for the next 2 to 4 hours.

Alert: Severe Thunderstorm Watch
Area(s): Bennett, SD; Butte, SD; Custer, SD; Fall River, SD; Haakon, SD; Jackson, SD; Lawrence, SD; Meade, SD; Mellette, SD; Oglala Lakota, SD; Pennington, SD; Todd, SD; Tripp, SD; Campbell, WY; Crook, WY; Weston, WY
Effective: 2026-07-07 @ 5:26 pm -> 2026-07-08 @ 12:00 am
Onset: 2026-07-07 @ 5:26 pm -> 2026-07-08 @ 12:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Rapid City SD on 2026-07-07 @ 5:26 pm
Headline: Severe Thunderstorm Watch issued July 7 at 4:26PM MDT until July 7 at 11:00PM MDT by NWS Rapid City SD
Description: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
469 IN EFFECT UNTIL 11 PM MDT /MIDNIGHT CDT/ THIS EVENING FOR THE
FOLLOWING AREAS

IN SOUTH DAKOTA THIS WATCH INCLUDES 13 COUNTIES

IN NORTHWEST SOUTH DAKOTA

BUTTE

IN SOUTH CENTRAL SOUTH DAKOTA

MELLETTE TODD TRIPP

IN SOUTHWEST SOUTH DAKOTA

BENNETT CUSTER FALL RIVER
JACKSON OGLALA LAKOTA

IN WEST CENTRAL SOUTH DAKOTA

HAAKON LAWRENCE MEADE
PENNINGTON

IN WYOMING THIS WATCH INCLUDES 3 COUNTIES

IN NORTHEAST WYOMING

CAMPBELL CROOK WESTON

THIS INCLUDES THE CITIES OF ALLEN, BILLSBURG, BUCKHORN, CLARETON,
CLEARFIELD, CUSTER, DEADWOOD, DOWNTOWN BELLE FOURCHE,
DOWNTOWN NEWCASTLE, EDGEMONT, FAITH, FOUR CORNERS, GILLETTE,
HERMOSA, HILL CITY, HOT SPRINGS, IDEAL, KADOKA, KIRLEY, KYLE,
LACREEK WILDLIFE REFUGE, LEAD, MARTIN, MILESVILLE, MISSION,
MOORCROFT, MORRISEY, OGLALA, PHILIP, PINE RIDGE, RAPID CITY,
ROCHELLE, ROSEBUD, SAINT FRANCIS, SPEARFISH, STURGIS, SUNDANCE,
TUTHILL, UNION CENTER, UPTON, WALL, WHITE RIVER, WINNER, WOOD,
AND WRIGHT.

THIS INCLUDES THE TRIBAL LANDS OF THE PINE RIDGE RESERVATION AND
THE ROSEBUD RESERVATION.