Afternoon surface heating combined with an embedded disturbance, which generated multiple strong to severe thunderstorms which lasted into the nighttime hours.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 15:10:00 to 30-JUL-23 15:10:00 (MST-7)
Location: SAINT MARIE
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Saint Marie Marco Mesonet site (07MT) measured a 70 mph thunderstorm wind gust.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 15:19:00 to 30-JUL-23 15:19:00 (MST-7)
Location: WOLF PT INTL AIRPORT(KOLF)
Magnitude: 79.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Wolf Point Airport (KOLF) ASOS measured a 91 mph thunderstorm wind gust.  The instrument failed after this observation.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 15:34:00 to 30-JUL-23 15:34:00 (MST-7)
Location: LUSTRE
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a 63 mph thunderstorm wind gust.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 16:19:00 to 30-JUL-23 16:19:00 (MST-7)
Location: WOLF PT INTL AIRPORT(KOLF)
Magnitude: 79.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Wolf Point Airport (KOLF) ASOS station recorded a 91 mph thunderstorm wind gust.
This was the last observation before the wind instrument failed.

Thunderstorm Wind in RICHLAND, MONTANA
From 30-JUL-23 18:00:00 to 30-JUL-23 18:00:00 (MST-7)
Location: LAMBERT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 60 mph thunderstorm wind gust.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 22:33:00 to 30-JUL-23 22:33:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Glasgow Airport ASOS (KGGW) measured a 62 mph thunderstorm wind gust.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 23:01:00 to 30-JUL-23 23:01:00 (MST-7)
Location: LUSTRE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a thunderstorm wind gust of 80 mph.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 15:35:00 to 30-JUL-23 15:35:00 (MST-7)
Location: LUSTRE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported some siding had blown off the side of a house.  It was also reported that a tree wind break had blown down.

Hail in VALLEY, MONTANA
From 30-JUL-23 15:40:00 to 30-JUL-23 15:40:00 (MST-7)
Location: LUSTRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported, via Facebook, hail up to the size of quarters.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 16:10:00 to 30-JUL-23 16:10:00 (MST-7)
Location: WOLF PT
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A NWS employee reported the hardcover on the bed of his pickup truck lifted into the back window, causing damage.  Wind gusts were estimated at 80 mph.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 16:15:00 to 30-JUL-23 16:15:00 (MST-7)
Location: WOLF PT
Magnitude: 78.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported, via Facebook, downed power poles and trees.  A crosswalk light near the Northside Elementary school, was also blown over.

Hail in ROOSEVELT, MONTANA
From 30-JUL-23 16:16:00 to 30-JUL-23 16:16:00 (MST-7)
Location: WOLF PT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported, via Facebook, hail up to the size of quarters.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 16:20:00 to 30-JUL-23 16:20:00 (MST-7)
Location: WOLF PT INTL AIRPORT(KOLF)
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that several large trees were down.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 30-JUL-23 16:20:00 to 30-JUL-23 16:20:00 (MST-7)
Location: WOLF PT
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported a 6 to 10 inch russian olive tree snapped off at the base of the trunk.

Hail in RICHLAND, MONTANA
From 30-JUL-23 17:15:00 to 30-JUL-23 17:15:00 (MST-7)
Location: ENID
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported hail up to the size of quarters.

Thunderstorm Wind in DANIELS, MONTANA
From 30-JUL-23 17:15:00 to 30-JUL-23 17:15:00 (MST-7)
Location: NAVAJO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that their neighbors horse trailer had been blown over.

Hail in DAWSON, MONTANA
From 30-JUL-23 18:15:00 to 30-JUL-23 18:15:00 (MST-7)
Location: BLOOMFIELD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported hail up to the size of ping pong balls.

Thunderstorm Wind in DAWSON, MONTANA
From 30-JUL-23 18:15:00 to 30-JUL-23 18:15:00 (MST-7)
Location: BLOOMFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported an estimated 60 mph thunderstorm wind gust.

Thunderstorm Wind in VALLEY, MONTANA
From 30-JUL-23 22:30:00 to 30-JUL-23 22:30:00 (MST-7)
Location: SAINT MARIE
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Saint Marie Marco Mesonet Site (07MT) measured a 62 mph thunderstorm wind gust.