Strong daytime heating combined with an unstable air mass and favorable winds to support multiple severe thunderstorms across northeast Montana.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 13:10:00 to 08-JUL-21 13:10:00 (MST-7)
Location: WHITEWATER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported hail up to the size of quarters.

Hail in DANIELS, MONTANA
From 08-JUL-21 12:36:00 to 08-JUL-21 12:36:00 (MST-7)
Location: PEERLESS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, ping-pong ball size hail. Time estimated from radar.

Hail in DANIELS, MONTANA
From 08-JUL-21 12:40:00 to 08-JUL-21 12:40:00 (MST-7)
Location: PEERLESS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, quarter size hail.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 13:26:00 to 08-JUL-21 13:26:00 (MST-7)
Location: SACO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, quarter size hail.  Time estimated from radar.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 14:10:00 to 08-JUL-21 14:10:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A 50 foot cottonwood tree was blown over into a nearby creek bed.

Heavy Rain in DANIELS, MONTANA
From 08-JUL-21 12:40:00 to 08-JUL-21 12:40:00 (MST-7)
Location: PEERLESS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, 2 inches of rain.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 14:14:00 to 08-JUL-21 14:14:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Magnitude: 72.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public recorded an 83mph wind gust from a personal home weather station.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 08-JUL-21 15:04:00 to 08-JUL-21 15:04:00 (MST-7)
Location: VOLT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated wind gusting to 70mph.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 14:00:00 to 08-JUL-21 14:00:00 (MST-7)
Location: HINSDALE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet Station (MTM34) measured a wind gust of 64mph.

Thunderstorm Wind in DAWSON, MONTANA
From 08-JUL-21 17:27:00 to 08-JUL-21 17:27:00 (MST-7)
Location: BEAVER HILL DOT
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station (MTVBR) measured a wind gust of 68mph.

Thunderstorm Wind in MCCONE, MONTANA
From 08-JUL-21 14:55:00 to 08-JUL-21 14:55:00 (MST-7)
Location: FT PECK LAKE HANDAR
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a wind gust of 65mph.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 14:04:00 to 08-JUL-21 14:04:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported a wind gust of 60mph.

Thunderstorm Wind in MCCONE, MONTANA
From 08-JUL-21 15:23:00 to 08-JUL-21 15:23:00 (MST-7)
Location: FT PECK LAKE HANDAR
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station GGWFP located at Fort Peck Dam reported a wind gust of 59mph.

Thunderstorm Wind in ROOSEVELT, MONTANA
From 08-JUL-21 15:25:00 to 08-JUL-21 15:25:00 (MST-7)
Location: WOLF PT INTL AIRPORT(KOLF)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 62mph wind gust was reported at Wolf Point Airport ASOS site.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 14:10:00 to 08-JUL-21 14:10:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Public reported a wind gust of 66mph which toppled and rolled over a shed.

Thunderstorm Wind in VALLEY, MONTANA
From 08-JUL-21 13:30:00 to 08-JUL-21 13:30:00 (MST-7)
Location: FT PECK
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, a wind gust of 60mph in the town of Fort Peck.

Heavy Rain in SHERIDAN, MONTANA
From 08-JUL-21 14:30:00 to 08-JUL-21 15:30:00 (MST-7)
Location: COMERTOWN DOT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, 2.95 inches of rain fell between 2:30pm and 3:30pm LST 10 miles southeast of the Comertown Turn-Off MT-5 DOT site.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 11:45:00 to 08-JUL-21 11:45:00 (MST-7)
Location: SUN PRAIRIE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public posted a photo via Facebook of hail estimated to be half dollar size.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 13:26:00 to 08-JUL-21 13:26:00 (MST-7)
Location: SACO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A cooperative observer reported quarter size hail.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 13:27:00 to 08-JUL-21 13:27:00 (MST-7)
Location: SACO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter size hail.

Hail in PHILLIPS, MONTANA
From 08-JUL-21 13:29:00 to 08-JUL-21 13:29:00 (MST-7)
Location: SACO
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, ping-pong ball size hail.  Time estimated from radar.

Hail in SHERIDAN, MONTANA
From 08-JUL-21 13:30:00 to 08-JUL-21 13:30:00 (MST-7)
Location: REDSTONE HILL DOT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter size hail.

Hail in ROOSEVELT, MONTANA
From 08-JUL-21 14:53:00 to 08-JUL-21 14:53:00 (MST-7)
Location: FROID
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, quarter size hail.

Hail in RICHLAND, MONTANA
From 08-JUL-21 16:14:00 to 08-JUL-21 16:14:00 (MST-7)
Location: FAIRVIEW
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, ping-pong ball size hail.

Hail in RICHLAND, MONTANA
From 08-JUL-21 16:15:00 to 08-JUL-21 16:15:00 (MST-7)
Location: FAIRVIEW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, golf ball size hail.

Hail in RICHLAND, MONTANA
From 08-JUL-21 16:15:00 to 08-JUL-21 16:15:00 (MST-7)
Location: FAIRVIEW
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, ping-pong ball size hail.

Hail in RICHLAND, MONTANA
From 08-JUL-21 16:16:00 to 08-JUL-21 16:16:00 (MST-7)
Location: FAIRVIEW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, golf ball size hail.

Hail in ROOSEVELT, MONTANA
From 08-JUL-21 18:23:00 to 08-JUL-21 18:23:00 (MST-7)
Location: BROCKTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Public reported, via Facebook, golf ball size hail.  Time estimated from radar.

Thunderstorm Wind in MCCONE, MONTANA
From 08-JUL-21 14:29:00 to 08-JUL-21 14:29:00 (MST-7)
Location: FT PECK LAKE HANDAR
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Fort Peck Dam mesonet site (GGWFP) recorded a 59 mph wind gust.

Heavy Rain in SHERIDAN, MONTANA
From 08-JUL-21 20:28:00 to 08-JUL-21 20:28:00 (MST-7)
Location: WESTBY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media reported at least 2.75 inches of rain in Westby.