An upper level trough and associated cold front moved across Western Montana on the evening of 07/04/2008. Along with the daytime heating which created strong instability, this resulted in severe thunderstorms across Western Montana.

Hail in DEER LODGE, MONTANA
From 04-JUL-08 20:35:00 to 04-JUL-08 20:45:00 (MST-7)
Location: ANACONDA
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter in Anaconda reported 1.00 inch hail.

Hail in POWELL, MONTANA
From 04-JUL-08 18:55:00 to 04-JUL-08 19:00:00 (MST-7)
Location: JENS
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Public

Public reported 1.75 inch hail 1 mile east of Jens along Interstate 90.

Hail in FLATHEAD, MONTANA
From 04-JUL-08 15:54:00 to 04-JUL-08 16:01:00 (MST-7)
Location: ESSEX
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter in Essex reported 0.75 inch hail.

Hail in RAVALLI, MONTANA
From 04-JUL-08 16:00:00 to 04-JUL-08 16:10:00 (MST-7)
Location: SULA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Fire lookout at 6629 feet reported 0.75 inch hail.

Hail in LAKE, MONTANA
From 04-JUL-08 16:05:00 to 04-JUL-08 16:12:00 (MST-7)
Location: RONAN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported 1.50 inch hail 7 miles south of Ronan.

Hail in FLATHEAD, MONTANA
From 04-JUL-08 15:09:00 to 04-JUL-08 15:15:00 (MST-7)
Location: SOMERS
Magnitude: 1.00 
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported up to 1 inch hail with winds up to 45 mph and damage to a camper.

Hail in SILVER BOW, MONTANA
From 04-JUL-08 21:07:00 to 04-JUL-08 21:13:00 (MST-7)
Location: RAMSAY
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter 5 miles west of Butte reported 1.25 inch hail.

Hail in DEER LODGE, MONTANA
From 04-JUL-08 19:35:00 to 04-JUL-08 19:45:00 (MST-7)
Location: ANACONDA
Magnitude: 0.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter in Anaconda reported 0.75 inch hail.

Hail in LAKE, MONTANA
From 04-JUL-08 16:05:00 to 04-JUL-08 16:14:00 (MST-7)
Location: CHARLO
Magnitude: 0.88 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Car dealership 5 miles south of Ronan reported 0.88 inch hail and damage to vehicles in the car lot.

Thunderstorm Wind in LAKE, MONTANA
From 04-JUL-08 16:45:00 to 04-JUL-08 16:48:00 (MST-7)
Location: SWAN LAKE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Public reported widespread tree damage near Lion Creek northeast of Condon. Many spruce trees 1.5 feet in diameter snapped.

Thunderstorm Wind in LAKE, MONTANA
From 04-JUL-08 16:45:00 to 04-JUL-08 16:55:00 (MST-7)
Location: SWAN LAKE
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Sheriff reported 30 trees blown down over Highway 83 10 miles northwest of Condon.

Hail in GRANITE, MONTANA
From 04-JUL-08 18:30:00 to 04-JUL-08 18:38:00 (MST-7)
Location: PHILIPSBURG
Magnitude: 1.75 
Property damage: 12.00K
Crop damage: 0.00K
Reported by: State Official

State employee 14 miles south of Philipsburg near Georgetown Lake reported 1.75 inch hail.