Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Flash Flood Warning
Area(s): Valley, MT
Effective: 2026-07-03 @ 6:18 pm -> 2026-07-03 @ 9:15 pm
Onset: 2026-07-03 @ 6:18 pm -> 2026-07-03 @ 9:15 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-03 @ 6:18 pm
Headline: Flash Flood Warning issued July 3 at 5:18PM MDT until July 3 at 8:15PM MDT by NWS Glasgow MT
Description: FFWGGW

The National Weather Service in Glasgow has issued a

* Flash Flood Warning for...
Central Valley County in northeastern Montana...

* Until 815 PM MDT.

* At 518 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Whatley.

This includes the following streams and drainages...
East Fork Cherry Creek, Beaver Creek, Dogie Creek, Coyote Creek,
Willow Creek, Mud Creek, Cherry Creek, Sage Hen Creek, Little
Brazil Creek, Porcupine Creek and Milk River.

Alert: Special Weather Statement
Area(s): Powder River
Effective: 2026-07-03 @ 6:18 pm -> 2026-07-03 @ 7:15 pm
Onset: 2026-07-03 @ 6:18 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-03 @ 6:18 pm
Headline: Special Weather Statement issued July 3 at 5:18PM MDT by NWS Billings MT
Description: At 518 PM MDT, Doppler radar was tracking a strong thunderstorm 27
miles west of Biddle, or 32 miles southwest of Broadus, moving east
at 20 mph.

HAZARD...Wind gusts up to 50 mph and half inch 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...
Moorhead.

Alert: Flash Flood Warning
Area(s): Garfield, MT
Effective: 2026-07-03 @ 6:12 pm -> 2026-07-03 @ 9:15 pm
Onset: 2026-07-03 @ 6:12 pm -> 2026-07-03 @ 9:15 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-03 @ 6:12 pm
Headline: Flash Flood Warning issued July 3 at 5:12PM MDT until July 3 at 8:15PM MDT by NWS Glasgow MT
Description: FFWGGW

The National Weather Service in Glasgow has issued a

* Flash Flood Warning for...
Central Garfield County in northeastern Montana...

* Until 815 PM MDT.

* At 512 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 1 inch of rain has fallen.
Additional rainfall amounts of 0.5 to 1.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Jordan and Edwards.

Alert: Special Weather Statement
Area(s): Central and Southern Valley; Garfield; McCone; Prairie
Effective: 2026-07-03 @ 6:06 pm -> 2026-07-03 @ 7:00 pm
Onset: 2026-07-03 @ 6:06 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-07-03 @ 6:06 pm
Headline: Special Weather Statement issued July 3 at 5:06PM MDT by NWS Glasgow MT
Description: At 504 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles southeast of Hell Creek Rec Area, or 18 miles northeast of
Jordan, moving northeast 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...
Jordan, Hell Creek Rec Area, Edwards, Frazer, Flowing Wells Rest
Area, Cohagen, Nelson Creek Rec Area, Rock Creek Rec Area, Hillside,
Haxby, Crow Rock, and Van Norman.

Alert: Flash Flood Warning
Area(s): Garfield, MT
Effective: 2026-07-03 @ 6:00 pm -> 2026-07-03 @ 9:00 pm
Onset: 2026-07-03 @ 6:00 pm -> 2026-07-03 @ 9:00 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-03 @ 6:00 pm
Headline: Flash Flood Warning issued July 3 at 5:00PM MDT until July 3 at 8:00PM MDT by NWS Glasgow MT
Description: FFWGGW

The National Weather Service in Glasgow has issued a

* Flash Flood Warning for...
North Central Garfield County in northeastern Montana...

* Until 800 PM MDT.

* At 500 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Hell Creek Rec Area.

Alert: Severe Thunderstorm Warning
Area(s): Garfield, MT; McCone, MT; Roosevelt, MT; Valley, MT
Effective: 2026-07-03 @ 5:53 pm -> 2026-07-03 @ 7:00 pm
Onset: 2026-07-03 @ 5:53 pm -> 2026-07-03 @ 7:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-03 @ 5:53 pm
Headline: Severe Thunderstorm Warning issued July 3 at 4:53PM MDT until July 3 at 6:00PM MDT by NWS Glasgow MT
Description: SVRGGW

The National Weather Service in Glasgow has issued a

* Severe Thunderstorm Warning for...
Northern Garfield County in northeastern Montana...
Southwestern Roosevelt County in northeastern Montana...
Southeastern Valley County in northeastern Montana...
Northwestern McCone County in northeastern Montana...

* Until 600 PM MDT.

* At 452 PM MDT, a severe thunderstorm was located near Nashua, or 17
miles east of Glasgow, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

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

* Locations impacted include...
Glasgow, Wolf Point, Nashua, Fort Peck, Fort Peck Marina, Frazer,
Duck Creek Rec Area, Lustre, Oswego, Park Grove, Volt, and Whatley.

Alert: Special Weather Statement
Area(s): Northern Big Horn
Effective: 2026-07-03 @ 5:50 pm -> 2026-07-03 @ 6:45 pm
Onset: 2026-07-03 @ 5:50 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Billings MT on 2026-07-03 @ 5:50 pm
Headline: Special Weather Statement issued July 3 at 4:50PM MDT by NWS Billings MT
Description: At 450 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles west of Hardin, moving northeast at 10 mph.

HAZARD...Wind gusts up to 50 mph and half inch 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. Hail may accumulate on roadways causing hazardous
travel.

Locations impacted include...
Hardin.

Alert: Flash Flood Warning
Area(s): Valley, MT
Effective: 2026-07-03 @ 5:24 pm -> 2026-07-03 @ 8:30 pm
Onset: 2026-07-03 @ 5:24 pm -> 2026-07-03 @ 8:30 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-03 @ 5:24 pm
Headline: Flash Flood Warning issued July 3 at 4:24PM MDT until July 3 at 7:30PM MDT by NWS Glasgow MT
Description: FFWGGW

The National Weather Service in Glasgow has issued a

* Flash Flood Warning for...
Central Valley County in northeastern Montana...

* Until 730 PM MDT.

* At 424 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Glasgow.