Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Severe Thunderstorm Warning
Area(s): Fergus, MT
Effective: 2026-07-07 @ 6:19 pm -> 2026-07-07 @ 7:15 pm
Onset: 2026-07-07 @ 6:19 pm -> 2026-07-07 @ 7:15 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Great Falls MT on 2026-07-07 @ 6:19 pm
Headline: Severe Thunderstorm Warning issued July 7 at 5:19PM MDT until July 7 at 6:15PM MDT by NWS Great Falls MT
Description: SVRTFX

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
Northeastern Fergus County in central Montana...

* Until 615 PM MDT.

* At 519 PM MDT, a severe thunderstorm was located 19 miles southwest
of Zortman, moving southeast 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...
Valentine.

Alert: Special Weather Statement
Area(s): Fergus County below 4500ft
Effective: 2026-07-07 @ 6:12 pm -> 2026-07-07 @ 7:00 pm
Onset: 2026-07-07 @ 6:12 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-07-07 @ 6:12 pm
Headline: Special Weather Statement issued July 7 at 5:12PM MDT by NWS Great Falls MT
Description: At 511 PM MDT, Doppler radar was tracking a strong thunderstorm 19
miles southwest of Zortman, moving southeast at 25 mph.

HAZARD...Wind gusts up to 50 mph and nickel 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.

This storm will remain over mainly rural areas of northeastern Fergus
County.

Alert: Severe Thunderstorm Warning
Area(s): Phillips, MT
Effective: 2026-07-07 @ 6:02 pm -> 2026-07-07 @ 7:00 pm
Onset: 2026-07-07 @ 6:02 pm -> 2026-07-07 @ 7:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Glasgow MT on 2026-07-07 @ 6:02 pm
Headline: Severe Thunderstorm Warning issued July 7 at 5:02PM MDT until July 7 at 6:00PM MDT by NWS Glasgow MT
Description: SVRGGW

The National Weather Service in Glasgow has issued a

* Severe Thunderstorm Warning for...
Southwestern Phillips County in northeastern Montana...

* Until 600 PM MDT.

* At 502 PM MDT, a severe thunderstorm was located 18 miles southwest
of Zortman, moving southeast at 25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.

* Locations impacted include...
Fred Robinson Bridge.

Alert: Flood Watch
Area(s): Central and Southern Valley; Western Roosevelt; Garfield; McCone; Richland; Dawson; Prairie; Wibaux
Effective: 2026-07-07 @ 9:41 am -> 2026-07-08 @ 3:00 am
Onset: 2026-07-07 @ 9:41 am -> 2026-07-08 @ 3:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Glasgow MT on 2026-07-07 @ 9:41 am
Headline: Flood Watch issued July 7 at 8:41AM MDT until July 8 at 2:00AM MDT by NWS Glasgow MT
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of northeast Montana, including the following
areas, Central and Southern Valley, Dawson, Garfield, McCone,
Prairie, Richland, Western Roosevelt and Wibaux.

* WHEN...Through late tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Recent excessive rainfall in the area has caused near saturated
ground conditions. The potential for heavy rainfall from
thunderstorms into late tonight may cause flooding concerns.
- http://www.weather.gov/safety/flood