Winter Storm Warning

NWS Great Falls MT · US

Updated

This event was updated at 2026-10-12 09:55:00 UTC.

Details

Winter Storm Warning Remains In Effect Until 6 AM MDT Early This Morning

Event: Winter Storm Warning
Issued: 2026-10-12 08:34:00 UTC
Onset: 2026-10-12 08:34:00 UTC
Message expires: 2026-10-12 12:00:00 UTC
Expected end: 2026-10-12 12:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Severe
Certainty: Likely
Response: Prepare

Description

What

Heavy snow. Additional snow accumulations up to one inch.

Where

Cascade County below 5000ft, Eastern Pondera and Eastern Teton, Fergus County below 4500ft, and Judith Basin County and Judith Gap.

When

Until 6 AM MDT early this morning.

Impacts

Plan on slippery road conditions.

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

Eastern Pondera and Eastern Teton
Cascade County below 5000ft
Judith Basin County and Judith Gap
Fergus County below 4500ft

Public contact

Issuer: NWS Great Falls MT
Website: http://www.weather.gov

Message record

Received: 2026-10-12 08:35:05 UTC
Issue to receipt: ~1m5s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M4QM0JPW0HNWAWY0TVWGJKK7
Identifier: urn:oid:2.49.0.1.840.0.05f82dd38bc2bd21fb36c1f307930e1a4bddd90f.004.1
Sender: [email protected]
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.4652
WMO heading: XOUS55
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 55

References

Identifier: urn:oid:2.49.0.1.840.0.c6bb822649d9a5d29d7e123d0a52302a0a26b5d3.002.1
Sender: [email protected]
Sent: 2026-10-12 05:30:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.005.1
Sender: [email protected]
Sent: 2026-10-11 16:29:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.002.2
Sender: [email protected]
Sent: 2026-10-11 16:29:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.02af72eff6eb04202cb1e430105d169874b37a5f.003.1
Sender: [email protected]
Sent: 2026-10-11 04:40:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e3247f4b382a0c83c88dbd6ac1ed768dc1c2f4fa.001.1
Sender: [email protected]
Sent: 2026-10-10 22:13:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.788ba8280995d2bd49591e4662266b21df9055f3.003.1
Sender: [email protected]
Sent: 2026-10-10 16:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5c27555301c61c960e80ee52001e9dfdf3528c34.002.1
Sender: [email protected]
Sent: 2026-10-10 06:32:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.005.1
Sender: [email protected]
Sent: 2026-10-09 17:29:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.002.2
Sender: [email protected]
Sent: 2026-10-09 17:29:00 UTC

Event codes

Name	Value
SAME	WSW
NationalWeatherService	WSW

Parameters

Name	Value
AWIPSidentifier	WSWTFX
WMOidentifier	WWUS45 KTFX 120834
NWSheadline	WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
EAS-ORG	WXR
VTEC	/O.CON.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/
eventEndingTime	2026-10-12T06:00:00-06:00
BLOCKCHANNEL	CMAS
expiredReferences	[email protected],urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.005.1,2026-10-11T10:29:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.002.2,2026-10-11T10:29:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.02af72eff6eb04202cb1e430105d169874b37a5f.003.1,2026-10-10T22:40:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.e3247f4b382a0c83c88dbd6ac1ed768dc1c2f4fa.001.1,2026-10-10T16:13:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.788ba8280995d2bd49591e4662266b21df9055f3.003.1,2026-10-10T10:56:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.5c27555301c61c960e80ee52001e9dfdf3528c34.002.1,2026-10-10T00:32:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.005.1,2026-10-09T11:29:00-06:00 [email protected],urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.002.2,2026-10-09T11:29:00-06:00

Locations

Location data

Eastern Pondera and Eastern Teton
Cascade County below 5000ft
Judith Basin County and Judith Gap
Fergus County below 4500ft

Name	Value
SAME	030073
SAME	030099
SAME	030013
SAME	030045
SAME	030027
UGC	MTZ309
UGC	MTZ312
UGC	MTZ313
UGC	MTZ314