Winter Storm Warning
NWS Great Falls MT ยท US
Updated
This event was updated at .
Details
Winter Storm Warning Remains In Effect Until 6 AM MDT Monday
- Event
- Winter Storm Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Severe
- Certainty
- Likely
- Response
- Prepare
Description
What
Heavy snow. Additional snow accumulations up to two inches. Winds gusting as high as 40 mph.
Where
Helena Valley, Gallatin Valley, Madison River Valley, and Missouri Headwaters.
When
Until 6 AM MDT Monday.
Impacts
Travel could be very difficult. The wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible.
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
- Helena Valley
- Missouri Headwaters
- Madison River Valley
- Gallatin Valley
Public contact
- Issuer
- NWS Great Falls MT
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~46s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M4Q9F2MJEP7SBRDJ1H361M5F
- Identifier
- urn:oid:2.49.0.1.840.0.c6bb822649d9a5d29d7e123d0a52302a0a26b5d3.004.1
- 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.7802
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
References
Event codes
| Name | Value |
|---|---|
| SAME | WSW |
| NationalWeatherService | WSW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | WSWTFX |
| WMOidentifier | WWUS45 KTFX 120530 |
| NWSheadline | WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY |
| 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:2.49.0.1.840.0.02af72eff6eb04202cb1e430105d169874b37a5f.001.1,2026-10-10T22:40:00-06:00 |
Locations
Location data
- Helena Valley
- Missouri Headwaters
- Madison River Valley
- Gallatin Valley
| Name | Value |
|---|---|
| SAME | 030049 |
| SAME | 030043 |
| SAME | 030057 |
| SAME | 030031 |
| UGC | MTZ319 |
| UGC | MTZ324 |
| UGC | MTZ325 |
| UGC | MTZ326 |