Warning Vector

Winter Storm Warning

NWS Great Falls MT ยท US

New
This event was updated at .

Details

Winter Storm Warning In Effect From 6 PM Sunday To 9 AM MDT Monday... ...Winter Weather Advisory Now In Effect Until 6 PM MDT Sunday

Event
Winter Storm Warning
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Severe
Certainty
Likely
Response
Prepare

Description

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.

Instructions

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.

Affected areas

  • Gallatin Valley

Public contact

Issuer
NWS Great Falls MT

Message record

Received
Issue to receipt
~40s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M4MM6M2N3RNFNBSJAZ9KWAT4
Identifier
urn:oid:2.49.0.1.840.0.02af72eff6eb04202cb1e430105d169874b37a5f.001.1
Scope
Public
CAP source
211803 v2.3.0
Handling codes
IPAWSv1.0
Issuing office
NWS Great Falls MT
AWIPS ID
CAPTFX
NWWS sequence
nwws_processor.6519
WMO heading
XOUS55
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
55

Event codes

NameValue
SAMEWSW
NationalWeatherServiceWSW

Parameters

NameValue
AWIPSidentifierWSWTFX
WMOidentifierWWUS45 KTFX 110440
NWSheadlineWINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 9 AM MDT MONDAY... ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT SUNDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
EAS-ORGWXR
VTEC/O.EXB.KTFX.WS.W.0008.261012T0000Z-261012T1500Z/
eventEndingTime2026-10-12T09:00:00-06:00
BLOCKCHANNELCMAS
Locations

Location data

  • Gallatin Valley
NameValue
SAME030031
UGCMTZ326