Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Severe Thunderstorm Watch
Area(s): Carter, MT; Custer, MT; Fallon, MT; Powder River, MT; Rosebud, MT; Sheridan, WY
Effective: 2026-06-07 @ 8:32 pm -> 2026-06-07 @ 11:00 pm
Onset: 2026-06-07 @ 8:32 pm -> 2026-06-07 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Billings MT on 2026-06-07 @ 8:32 pm
Headline: Severe Thunderstorm Watch issued June 7 at 7:32PM MDT until June 7 at 10:00PM MDT by NWS Billings MT
Description: SEVERE THUNDERSTORM WATCH 285 REMAINS VALID UNTIL 10 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 5 COUNTIES

IN SOUTHEAST MONTANA

CARTER CUSTER FALLON
POWDER RIVER ROSEBUD

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN NORTH CENTRAL WYOMING

SHERIDAN

THIS INCLUDES THE CITIES OF ASHLAND, BAKER, BROADUS, COLSTRIP,
EKALAKA, FORSYTH, LAME DEER, MILES CITY, AND SHERIDAN.

Alert: Special Weather Statement
Area(s): Northern Rosebud; Powder River; Southern Rosebud; Southern Big Horn; Sheridan Foothills
Effective: 2026-06-07 @ 8:32 pm -> 2026-06-07 @ 9:30 pm
Onset: 2026-06-07 @ 8:32 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-06-07 @ 8:32 pm
Headline: Special Weather Statement issued June 7 at 7:32PM MDT by NWS Billings MT
Description: At 732 PM MDT, Doppler radar was tracking a line of strong
thunderstorms extending from near Ashland to 33 miles east of
Sheridan, or extending from 23 miles southeast of Colstrip to 33
miles east of Sheridan, moving east at 55 mph.

HAZARD...Wind gusts of up to 55 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...
Broadus, Biddle, Ashland, Sonnette, Moorhead, Olive, Otter, Birney
Village, Belle Creek, Powderville and Northern Cheyenne Indian
Reservation.

Alert: Flood Advisory
Area(s): Carter, MT
Effective: 2026-06-07 @ 7:31 pm -> 2026-06-07 @ 9:00 pm
Onset: 2026-06-07 @ 7:31 pm -> 2026-06-07 @ 9:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-06-07 @ 7:31 pm
Headline: Flood Advisory issued June 7 at 6:31PM MDT until June 7 at 8:00PM MDT by NWS Billings MT
Description: * WHAT...Small stream flooding caused by excessive rainfall
continues.

* WHERE...Southeastern Carter County in southeastern Montana...

* WHEN...Until 800 PM MDT.

* IMPACTS...Rises in small streams and normally dry coulees. Water
may flow over roadways due to overflowing of poor drainage areas.
Ponding of water in low lying areas.

* ADDITIONAL DETAILS...
- At 625 PM MDT, Earlier thunderstorms produced between 1 and 2
inches over southern Carter county. While rainfall has ended,
flooding of low lying areas and small streams remains a threat as
water flows out of the impacted area.
- Flooding impacts will continue, but no additional rainfall is
expected.
- Some locations that will experience flooding include...
Alzada and Albion.
- Box Elder creek and the Little Missouri River.
- http://www.weather.gov/safety/flood

Alert: Special Weather Statement
Area(s): Musselshell; Northern Stillwater; Golden Valley; Red Lodge Foothills; Judith Gap; Beartooth Foothills; Southeastern Carbon; Northern Sweet Grass; Northern Carbon; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone
Effective: 2026-06-07 @ 7:09 pm -> 2026-06-07 @ 9:00 pm
Onset: 2026-06-07 @ 7:09 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-06-07 @ 7:09 pm
Headline: Special Weather Statement issued June 7 at 6:09PM MDT by NWS Billings MT
Description: West to northwest winds gusting 40 to 55 mph have been reported over
the western foothills. These strong winds, not associated with
thunderstorms, will spread eastward over the next few hours. They may
reach as far east as Musselshell and Yellowstone county before
diminishing late this evening. Those outdoors and those driving this
evening should be prepared for these sudden strong wind gusts.

Alert: Severe Thunderstorm Watch
Area(s): Dawson, MT; Prairie, MT; Richland, MT; Wibaux, MT
Effective: 2026-06-07 @ 4:05 pm -> 2026-06-07 @ 11:00 pm
Onset: 2026-06-07 @ 4:05 pm -> 2026-06-07 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Glasgow MT on 2026-06-07 @ 4:05 pm
Headline: Severe Thunderstorm Watch issued June 7 at 3:05PM MDT until June 7 at 10:00PM MDT by NWS Glasgow MT
Description: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
285 IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR THE FOLLOWING
AREAS

IN MONTANA THIS WATCH INCLUDES 4 COUNTIES

IN NORTHEAST MONTANA

DAWSON PRAIRIE RICHLAND
WIBAUX

THIS INCLUDES THE CITIES OF FAIRVIEW, GLENDIVE, RICHEY, SIDNEY,
TERRY, AND WIBAUX.

Alert: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone
Effective: 2026-06-07 @ 12:58 pm -> 2026-06-07 @ 10:00 pm
Onset: 2026-06-07 @ 4:00 pm -> 2026-06-07 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-06-07 @ 12:58 pm
Headline: Lake Wind Advisory issued June 7 at 11:58AM MDT until June 7 at 9:00PM MDT by NWS Glasgow MT
Description: * WHAT...West northwest winds 15 to 25 mph with gusts up to 40 mph
expected.

* WHERE...Fort Peck Lake.

* WHEN...From 3 PM this afternoon to 9 PM MDT this evening.

* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.

Alert: Frost Advisory
Area(s): Northern Clearwater Mountains; Southern Clearwater Mountains; Orofino/Grangeville Region; Eastern Lemhi County; Kootenai/Cabinet Region; Flathead/Mission Valleys; Lower Clark Fork Region; Missoula/Bitterroot Valleys
Effective: 2026-06-07 @ 12:35 pm -> 2026-06-08 @ 10:00 am
Onset: 2026-06-08 @ 1:00 am -> 2026-06-08 @ 10:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Missoula MT on 2026-06-07 @ 12:35 pm
Headline: Frost Advisory issued June 7 at 11:35AM MDT until June 8 at 9:00AM MDT by NWS Missoula MT
Description: * WHAT...Temperatures between 30 to 36 degrees will result in frost
formation. Localized cold spots could reach into the upper 20s.

* WHERE...In Idaho, Orofino/Grangeville Region, Southern Clearwater
Mountains, Eastern Lemhi County, and Northern Clearwater Mountains.
In Montana, Flathead/Mission Valleys, Kootenai/Cabinet Region,
Lower Clark Fork Region, and Missoula/Bitterroot Valleys.

* WHEN...From midnight MDT /11 PM PDT/ tonight to 9 AM MDT /8 AM PDT/
Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.