- In force from
- Oct 10, 10:40 PM MDT
- Until
- Oct 12, 6:00 AM MDT
- Issued
- Oct 10, 10:56 AM MDT
- Updated
- 2 times, last Oct 10, 10:40 PM MDT
- Office
- Great Falls, MT
- Number
- 27 of its kind from this office this year
- Severity
- Moderate, Expected, Likely
- Where
- MT
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
For Helena Valley; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains, from Great Falls, MT
- What
- Snow expected. Total snow accumulations of between 2 to 5 inches across lower elevations, with 5 to 8 inches in the mountains. Locally higher amounts possible. Winds gusting as high as 45 mph.
- Where
- Portions of central and southwest Montana.
- When
- Until 6 AM MDT Monday.
- Impacts
- Travel could be difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible.
- Additional details
- Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
What to do
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
For Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft, from Great Falls, MT
- What
- Snow expected. Total snow accumulations of between 3 to 5 inches across lower elevations, with 5 to 10 inches in the mountains. Locally higher amounts possible. Winds gusting as high as 40 mph.
- Where
- Bears Paw Mountains and Southern Blaine, Eastern Glacier, Western Toole, and Central Pondera, Eastern Toole and Liberty, Fergus County below 4500ft, and Western and Central Chouteau County.
- When
- Until 6 AM MDT Monday.
- Impacts
- Travel could be difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible.
- Additional details
- Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
What to do
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
For Gallatin Valley, from Great Falls, MT
- What
- For the Winter Weather Advisory, wet snow. Total snow accumulations up to two inches. Winds gusting as high as 40 mph. For the Winter Storm Warning, heavy, wet snow expected. Total snow accumulations between 4 and 8 inches.
- Where
- Gallatin Valley.
- When
- For the Winter Weather Advisory, until 6 PM MDT Sunday. For the Winter Storm Warning, from 6 PM Sunday to 9 AM MDT Monday.
- Impacts
- Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. The hazardous conditions will impact the Monday morning commute.
- Additional details
- Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
What to do
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Every area Helena Valley; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Gallatin Valley
Places under it Bozeman, Havre, Helena, West Yellowstone, Belgrade, Helena Valley Southeast, Helena Valley West Central, Lewistown, Four Corners, Helena Valley Northwest, Dillon, Helena Valley Northeast, and 169 more
Read the platesIce storm FB-EVT-084How to read a warning FB-STN-001
On the radarRadar over it