Montana, 2018Winter Storm in Montana, November 23 to 24, 2018
November 23 to 24, 2018 · NWS MSO · 5 events in 5 counties and zones
Widespread snow fell across North-central Idaho into western Montana, impacting both valleys and mountain passes.
Every event with a place to put it; 5 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
- 5
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.
Widespread snow fell across North-central Idaho into western Montana, impacting both valleys and mountain passes.
Winter Storm, Lower Clark Fork Region
- When
- November 23, 9:00 PM MST to November 24, 10:00 AM MST
- Where
- Lower Clark Fork Region forecast zone
- Reported by
- Department of Highways
- Coordinates
- 47.286, -114.685 (the zone’s center; the record gives no point)
Periods of heavy, wet snow totaling 6 to 12 inches impacted the Interstate 90 corridor leading to slick roads and travel restrictions on Lookout Pass.
Winter Storm, Bitterroot / Sapphire Mountains
- When
- November 23, 9:00 PM MST to November 24, 9:00 AM MST
- Where
- Bitterroot / Sapphire Mountains forecast zone
- Reported by
- Department of Highways
- Coordinates
- 46.508, -113.828 (the zone’s center; the record gives no point)
Periods of moderate to heavy snow totaling 8 to 12 inches fell during the overnight and morning hours. The main impact was slick roads with travel restrictions on Lolo Pass.
Winter Storm, Missoula / Bitterroot Valleys
- When
- November 24, 2:00 AM MST to 10:00 AM MST
- Where
- Missoula / Bitterroot Valleys forecast zone
- Reported by
- Department of Highways
- Coordinates
- 46.560, -114.023 (the zone’s center; the record gives no point)
Heavy, wet snow ranging from 3 to 10 inches fell during the morning hours with rates of up to 2 inches per hour. Travel was significantly impacted with minor power outages and a few tree branches pulled down.
Winter Storm, Potomac / Seeley Lake Region
- When
- November 24, 2:00 AM MST to 11:00 AM MST
- Where
- Potomac / Seeley Lake Region forecast zone
- Reported by
- Department of Highways
- Coordinates
- 46.986, -113.597 (the zone’s center; the record gives no point)
Periods of heavy, wet snow fell during the morning hours leading to difficult travel especially along the Interstate 90 corridor. Snowfall amounts of 4 to 8 inches were common with rates of 1 to 2 inches per hour for a period of time.
Winter Storm, Butte / Blackfoot Region
- When
- November 24, 7:50 AM MST to 11:00 AM MST
- Where
- Butte / Blackfoot Region forecast zone
- Reported by
- Department of Highways
- Coordinates
- 46.306, -113.025 (the zone’s center; the record gives no point)
Difficult travel occurred as heavy, wet snow fell during the morning hours. Snowfall amounts of 6 to 10 inches were common with rates up to 1 inch per hour.
- Winter Storm
- A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Winter Storm and Winter Weather in Colorado, November 23 to 25, 201810 events
- Winter Storm in Wyoming, November 23 to 24, 20189 events
- Heavy Snow and High Wind in Utah, November 23 to 24, 201851 kt wind · 7 events
- Coastal Flood in Florida, November 23 to 24, 20186 events
- Heavy Snow and High Wind in Nebraska, November 23 to 25, 201855 kt wind · 5 events
- Coastal Flood in Georgia, November 23, 20183 events
- Heavy Snow in Idaho, November 23 to 24, 20183 events
- High Wind in California, November 23 to 24, 201853 kt wind · 3 events
- Winter Storm in Montana, November 23 to 24, 20183 events
- High Wind in Tennessee, November 23, 201855 kt wind · 3 events
- High Wind in Nevada, November 23 to 24, 201870 kt wind · 3 events
- Extreme Cold in New York, November 23, 20182 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: 790323, 790325, 790324, 790327, 790329.