Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT

Official severe-weather alerts, warning areas, and disaster updates.

stale · active · official-source

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains and Little Belt and Highwood Mountains. * WHEN...From 6 PM Saturday to 6 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. * 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. 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.

Event time

Oct 9, 2026, 5:29 PM UTC

Source last updated

Oct 9, 2026, 5:29 PM UTC

Retrieved by TradePilot

Oct 10, 2026, 1:06 AM UTC

Provider

NWS — active weather alerts (Storm)

Location

MT, US

Severity

Severe

area

Little Belt and Highwood Mountains; Elkhorn and Boulder Mountains

event

Winter Storm Warning

onset

2026-10-10T18:00:00-06:00

states

["MT"]

urgency

Expected

certainty

Likely

effective

2026-10-09T11:29:00-06:00

message id

urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.003.2

references

[]

instruction

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.

message type

Alert

freshness minutes

60

Source use policy · US government work (17 U.S.C. 105)

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