Low pressure moved northeast across the area helping to drive northwest winds across the area behind it. Heavy rain also occurred in areas with the passage of the low pressure.

Heavy Rain in VALLEY, MONTANA
From 25-MAY-10 01:00:00 to 25-MAY-10 04:50:00 (MST-7)
Location: GLASGOW INTL AIRPORT (KGGW)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

NWS Glasgow reported a storm total of 1.83 inches. Five miles north of Fort Peck received a storm total of 1.95 inches. Seven miles east of Glasgow a public report of 2.00 inches of total rainfall was received. Flooding occurred behind the culvert on the Billingsley Road, which is located 9 miles west-northwest of Glasgow.

High Wind in SHERIDAN, MONTANA
From 24-MAY-10 21:33:00 to 24-MAY-10 21:50:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

At 2133 MST Medicine Lake RAWS reported a 60 mph gust. At 2150 MST Plentywood Handar reported a  gust to 67 mph.

High Wind in WESTERN ROOSEVELT, MONTANA
From 24-MAY-10 20:58:00 to 25-MAY-10 05:05:00 (MST-7)
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

At 2000 MST power lines and trees were knocked down in the Poplar area. At 2058 MST Poplar RAWS recorded a wind gust of 59 mph, also McDonalds DOT recorded a wind gust of 61 mph. At 2118 MST Poplar RAWS recorded a sustained wind of 49 mph with a gust to 59 mph, at 444 MST McDonalds DOT reported a 70 mph wind gust, at 505 MST McDonalds DOT recorded a wind gust of 79 mph.

High Wind in CENTRAL AND SOUTHERN VALLEY, MONTANA
From 25-MAY-10 02:36:00 to 25-MAY-10 06:15:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

At 0236 MST Glasgow ASOS reported a gust to 53 mph. At 0244 MST King Coulee reported sustained winds of 37 mph with a gust to 58 mph. At 0430 MST 15 miles north-northeast of Frazer a wind gust of 56 mph was reported.

High Wind in MCCONE, MONTANA
From 25-MAY-10 04:00:00 to 25-MAY-10 05:00:00 (MST-7)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

At 0400 MST East of the Dam Handar reported sustained winds over 40 mph for more than two hours. At 0500 MST Cow Creek DOT sustained wind of 40 mph or more for more than two hours.

High Wind in RICHLAND, MONTANA
From 24-MAY-10 20:35:00 to 24-MAY-10 20:35:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Sidney AWOS reported a gust to 58 mph.

High Wind in DAWSON, MONTANA
From 25-MAY-10 04:23:00 to 25-MAY-10 04:23:00 (MST-7)
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter 2 miles west of Bloomfield reported a gust to 67 mph.

High Wind in PRAIRIE, MONTANA
From 25-MAY-10 02:44:00 to 25-MAY-10 02:44:00 (MST-7)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Big Sheep RAWS reported a gust to 58 mph.

High Wind in GARFIELD, MONTANA
From 24-MAY-10 23:30:00 to 25-MAY-10 01:30:00 (MST-7)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hillside DOT reported two hours of winds over 40 mph.

High Wind in EASTERN ROOSEVELT, MONTANA
From 24-MAY-10 22:30:00 to 25-MAY-10 00:30:00 (MST-7)
Magnitude: 35.00 MS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US 2 Stateline DOT reported more than two hours of sustained 40 mph winds.

Heavy Rain in DANIELS, MONTANA
From 25-MAY-10 11:00:00 to 25-MAY-10 15:00:00 (MST-7)
Location: FLAXVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter reported total rainfall of 1.8 inches.

Heavy Rain in PHILLIPS, MONTANA
From 25-MAY-10 03:00:00 to 25-MAY-10 05:00:00 (MST-7)
Location: MALTA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters reported 1.9 inches storm total in Malta, 1.75 inches total 16 miles south-southwest of Saco, both reports occurring between 0300 and 0500 MST. Harb Creek was reported flooding.