Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Northern Stillwater; Red Lodge Foothills; Southern Big Horn; Southeastern Carbon; Northern Carbon; Pryor/Northern Bighorn Mountains; Southwestern Yellowstone
Effective: 2026-07-08 @ 9:32 pm -> 2026-07-08 @ 10:15 pm
Onset: 2026-07-08 @ 9:32 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-08 @ 9:32 pm
Headline: Special Weather Statement issued July 8 at 8:32PM MDT by NWS Billings MT
Description: At 832 PM MDT, Doppler radar was tracking a line of strong
thunderstorms extending from 9 miles east of Columbus to near
Fromberg, or extending from 9 miles east of Columbus to 17 miles
northeast of Red Lodge, moving east at 35 mph.

HAZARD...Wind gusts of 45 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include...
Bridger, Joliet, Fromberg, Pryor, Edgar, Rockvale, Silesia, Park
City and Boyd.

Alert: Special Weather Statement
Area(s): Powder River; Carter
Effective: 2026-07-08 @ 9:24 pm -> 2026-07-08 @ 10:45 pm
Onset: 2026-07-08 @ 9:24 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-08 @ 9:24 pm
Headline: Special Weather Statement issued July 8 at 8:24PM MDT by NWS Billings MT
Description: At 824 PM MDT, Doppler radar was tracking an area of strong
thunderstorms extending from 20 miles west of Ridgeway to 21 miles
west of Alzada, or extending from 25 miles east of Broadus to 42
miles southeast of Broadus, moving east at 35 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Ridgeway, Alzada, Albion, Hammond, Boyes, Ridge and Capitol.

Alert: Special Weather Statement
Area(s): Musselshell; Treasure; Northern Rosebud; Custer; Powder River; Northern Big Horn; Northeastern Yellowstone
Effective: 2026-07-08 @ 9:12 pm -> 2026-07-08 @ 10:15 pm
Onset: 2026-07-08 @ 9:12 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-08 @ 9:12 pm
Headline: Special Weather Statement issued July 8 at 8:12PM MDT by NWS Billings MT
Description: At 812 PM MDT, Doppler radar was tracking an area of strong
thunderstorms extending from 14 miles east of Forsyth to 13 miles
northwest of Custer, or extending from 14 miles east of Forsyth to 25
miles west of Hysham, moving southeast at 15 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail. The strongest
storm is currently located west of Vananda as of 812 PM MDT.

SOURCE...Radar indicated.

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

Locations impacted include...
Hardin, Colstrip, Forsyth, Hysham, Custer, Volborg, Rosebud,
Vananda, Cartersville, Bighorn, Brandenberg, Hathaway, Moon Creek
Ranch and Garland.

Alert: Extreme Heat Watch
Area(s): Central and Southeast Phillips; Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Petroleum; Garfield; McCone; Richland; Dawson; Prairie; Wibaux; Northern Phillips; Southwest Phillips; Northern Valley; Eastern Roosevelt
Effective: 2026-07-08 @ 12:24 pm -> 2026-07-09 @ 12:30 pm
Onset: 2026-07-11 @ 7:00 am -> 2026-07-13 @ 7:00 am
Severity: Severe
Certainty: Likely
Urgency: Future
Issued By: NWS Glasgow MT on 2026-07-08 @ 12:24 pm
Headline: Extreme Heat Watch issued July 8 at 11:24AM MDT until July 13 at 6:00AM MDT by NWS Glasgow MT
Description: * WHAT...Dangerously hot and humid conditions. High temperatures will
be in the mid 90s to low 100s on Saturday and upper 90s to mid 100s
on Sunday. Isolated highs near 110 degrees possible in the
Yellowstone River Valley on Sunday.

* WHERE...All of northeast Montana.

* WHEN...From Saturday morning through late Sunday night.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...Overnight temperatures will range from the
upper 60s to mid 70s both Saturday night and Sunday night,
providing little relief from the heat.

Alert: Extreme Heat Watch
Area(s): Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Northern Stillwater; Powder River; Carter; Northern Park; Golden Valley; Red Lodge Foothills; Northern Big Horn; Southern Rosebud; Judith Gap; Paradise Valley; Livingston Area; Beartooth Foothills; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Bighorn Canyon; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Sheridan Foothills
Effective: 2026-07-08 @ 12:14 pm -> 2026-07-09 @ 12:15 pm
Onset: 2026-07-11 @ 7:00 am -> 2026-07-13 @ 7:00 am
Severity: Severe
Certainty: Likely
Urgency: Future
Issued By: NWS Billings MT on 2026-07-08 @ 12:14 pm
Headline: Extreme Heat Watch issued July 8 at 11:14AM MDT until July 13 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Dangerously hot conditions with all time record high
temperatures possible.

* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.

* WHEN...From Saturday morning through late Sunday night. Hottest
temperatures are expected Sunday Afternoon.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Morning low temperatures may only fall into
the 70s. This would result in little to no time for the body and
infrastructure to cool off and recover, therefore increasing the
risk of impacts.