Severe weather occurred north of the Missouri River with this episode.

Funnel Cloud in SHERIDAN, MONTANA
From 11-AUG-10 19:01:00 to 11-AUG-10 19:01:00 (MST-7)
Location: REDSTONE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Funnel cloud spotted northwest of Redstone with another one located between Flaxville and Redstone.

Hail in DANIELS, MONTANA
From 11-AUG-10 19:33:00 to 11-AUG-10 19:33:00 (MST-7)
Location: SCOBEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in VALLEY, MONTANA
From 11-AUG-10 20:40:00 to 11-AUG-10 20:40:00 (MST-7)
Location: HINSDALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gust was estimated.

Thunderstorm Wind in SHERIDAN, MONTANA
From 11-AUG-10 20:42:00 to 11-AUG-10 20:42:00 (MST-7)
Location: WESTBY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gust estimated. Small hail was also reported.

Thunderstorm Wind in PHILLIPS, MONTANA
From 11-AUG-10 20:38:00 to 11-AUG-10 20:38:00 (MST-7)
Location: SACO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gust was estimated.

Thunderstorm Wind in VALLEY, MONTANA
From 11-AUG-10 22:00:00 to 11-AUG-10 22:00:00 (MST-7)
Location: LUSTRE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gust was estimated.

Hail in VALLEY, MONTANA
From 11-AUG-10 16:26:00 to 11-AUG-10 16:26:00 (MST-7)
Location: OPHEIM
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in VALLEY, MONTANA
From 11-AUG-10 16:50:00 to 11-AUG-10 16:50:00 (MST-7)
Location: OPHEIM
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DANIELS, MONTANA
From 11-AUG-10 17:35:00 to 11-AUG-10 17:35:00 (MST-7)
Location: PEERLESS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DANIELS, MONTANA
From 11-AUG-10 17:50:00 to 11-AUG-10 17:50:00 (MST-7)
Location: SCOBEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in VALLEY, MONTANA
From 11-AUG-10 18:13:00 to 11-AUG-10 18:13:00 (MST-7)
Location: GLENTANA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DANIELS, MONTANA
From 11-AUG-10 18:30:00 to 11-AUG-10 18:30:00 (MST-7)
Location: SCOBEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DANIELS, MONTANA
From 11-AUG-10 18:51:00 to 11-AUG-10 18:51:00 (MST-7)
Location: WHITETAIL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RICHLAND, MONTANA
From 11-AUG-10 18:45:00 to 11-AUG-10 18:45:00 (MST-7)
Location: SIDNEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SHERIDAN, MONTANA
From 11-AUG-10 19:00:00 to 11-AUG-10 19:00:00 (MST-7)
Location: OUTLOOK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Brief period of hail occurred.

Thunderstorm Wind in VALLEY, MONTANA
From 11-AUG-10 20:33:00 to 11-AUG-10 20:33:00 (MST-7)
Location: GLASGOW
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gust is estimated.

Hail in DANIELS, MONTANA
From 11-AUG-10 18:45:00 to 11-AUG-10 18:50:00 (MST-7)
Location: PEERLESS
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

At 1845 MST 3 NE of Peerless, 2.75 inch hail reported by the public. At 1850 MST 3 miles E of Peerless 1 inch hail was reported.

Thunderstorm Wind in PHILLIPS, MONTANA
From 11-AUG-10 18:54:00 to 11-AUG-10 18:54:00 (MST-7)
Location: MALTA SOUTH DOT
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Malta South DOT sensor recorded the wind gust.

Hail in PHILLIPS, MONTANA
From 11-AUG-10 19:58:00 to 11-AUG-10 19:58:00 (MST-7)
Location: MALTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Lightning from the storm also started fires in the area.