Winter Storm Warning
NWS Great Falls MT ยท US
Details
Winter Storm Warning 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, wet snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 40 mph.
Where
Helena Valley, Madison River Valley, and Missouri Headwaters.
When
Until 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.
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
Public contact
- Issuer
- NWS Great Falls MT
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~44s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M4NWRYZXZWPR8B76MKFX7MMC
- Identifier
- urn:oid:2.49.0.1.840.0.a4d4a9222f663d05f8aa360416294ff95b266b53.003.2
- 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.6740
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | WSW |
| NationalWeatherService | WSW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | WSWTFX |
| WMOidentifier | WWUS45 KTFX 111629 |
| NWSheadline | WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT MONDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.EXA.KTFX.WS.W.0008.000000T0000Z-261012T1200Z/ |
| eventEndingTime | 2026-10-12T06:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Helena Valley
- Missouri Headwaters
- Madison River Valley
| Name | Value |
|---|---|
| SAME | 030049 |
| SAME | 030043 |
| SAME | 030057 |
| SAME | 030031 |
| UGC | MTZ319 |
| UGC | MTZ324 |
| UGC | MTZ325 |