Montana, 2011Winter Weather in Montana, November 18 to 19, 2011
November 18 to 19, 2011 · NWS GGW · 6 events in 6 counties and zones
A large upper level trough and an arctic air mass combined to spread light snow amounts generally along and south of the Missouri River while allowing cold wind chills to spread north of the Missouri River.
Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 6
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A large upper level trough and an arctic air mass combined to spread light snow amounts generally along and south of the Missouri River while allowing cold wind chills to spread north of the Missouri River.
Winter Weather, Little Rocky Mountains
- When
- November 18, 8:00 PM MST to November 19, 4:30 AM MST
- Where
- Little Rocky Mountains forecast zone
- Reported by
- Public
- Coordinates
- 48.259, -107.913 (the zone’s center; the record gives no point)
Public and cooperative observers report 2 to 5 inches of new snow. The highest amount of 4 to 5 inches was reported 40 miles south of Malta along Highway 191.
Winter Weather, Central and Se Phillips
- When
- November 18, 10:30 PM MST to November 19, 10:30 AM MST
- Where
- Central and Se Phillips forecast zone
- Reported by
- NWS Employee
- Coordinates
- 48.259, -107.913 (the zone’s center; the record gives no point)
Cooperative observers and NWS employees reported 1 to 2 inches of new snow. The highest amounts of 2 inches was reported at the Malta 35S coop site and along US Highway 2.
Winter Weather, Petroleum
- When
- November 18, 11:30 PM MST to November 19, 5:00 AM MST
- Where
- Petroleum forecast zone
- Reported by
- COOP Observer
- Coordinates
- 47.118, -108.250 (the zone’s center; the record gives no point)
Cooperative observers reported 1 to 2 inches of new snow across the county. The highest amount of 2 inches was reported at the Winnett 6NNE coop site.
Winter Weather, Garfield
- When
- November 19, 2:00 AM MST to 8:30 AM MST
- Where
- Garfield forecast zone
- Reported by
- COOP Observer
- Coordinates
- 47.278, -106.993 (the zone’s center; the record gives no point)
Cooperative observers reported 1 to 1.5 inches of new snow across the county. The highest amount of 1.5 inches was reported at the Jordan coop site.
Winter Weather, Central and Southern Valley
- When
- November 19, 3:00 AM MST to 12:00 PM MST
- Where
- Central and Southern Valley forecast zone
- Reported by
- COOP Observer
- Coordinates
- 48.365, -106.667 (the zone’s center; the record gives no point)
Cooperative observers reported 1 to 2.6 inches of new snow across the county. The highest amount of 2.6 inches was reported at the NWS Office in Glasgow.
Winter Weather, Northern Valley
- When
- November 19, 5:00 AM MST to 12:00 PM MST
- Where
- Northern Valley forecast zone
- Reported by
- COOP Observer
- Coordinates
- 48.365, -106.667 (the zone’s center; the record gives no point)
Cooperative observer reported 2 inches of new snow 12 miles SE of Opheim.
- Winter Weather
- Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Wildfire and High Wind in Nevada, November 18 to 19, 20111 death · 17 injured · $8.0 million · 82 kt wind · 3 events
- High Wind in California, November 18 to 19, 20112 injured · $200,000 · 75 kt wind · 2 events
- Winter Storm in South Dakota, November 18 to 19, 201112 events
- High Wind in California, November 18, 2011$15,000 · 75 kt wind · 1 event
- Strong Wind in California, November 18, 20111 injured · $2,000 · 1 event
- Winter Storm in Wyoming, November 18 to 19, 20115 events
- Heavy Snow in South Dakota, November 18 to 19, 20115 events
- High Wind in Arizona, November 18 to 19, 201167 kt wind · 4 events
- Winter Storm and High Wind in Utah, November 18 to 19, 201156 kt wind · 3 events
- Heavy Snow in Wyoming, November 18 to 19, 20113 events
- High Wind in Texas, November 18 to 19, 201159 kt wind · 2 events
- High Wind in Colorado, November 18 to 19, 201157 kt wind · 2 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 355180, 355181, 355185, 355184, 355183, 355182.