Winter Storm Warning
NWS Great Falls MT ยท US
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, wet snow expected. Total snow accumulations between 10 and 20 inches, with the exception of the Lincoln valley where up to 7 inches is expected. Isolated amounts approaching 30 inches within the Bob Marshall Wilderness. Winds gusting as high as 45 mph.
Where
Gates of the Mountains, Upper Blackfoot and MacDonald Pass, Southern High Plains, and Southern Rocky Mountain Front.
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
- Southern Rocky Mountain Front
- Southern High Plains
- Upper Blackfoot and MacDonald Pass
- Gates of the Mountains
Public contact
- Issuer
- NWS Great Falls MT
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~45s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M4KBXQ5C6WD0F5F3SRJBH212
- Identifier
- urn:oid:2.49.0.1.840.0.788ba8280995d2bd49591e4662266b21df9055f3.002.1
- 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.7179
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
References
- Sender
- [email protected]
- Sent
- Sender
- [email protected]
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | WSW |
| NationalWeatherService | WSW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | WSWTFX |
| WMOidentifier | WWUS45 KTFX 101656 |
| 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.0008.261010T1800Z-261012T1200Z/ |
| eventEndingTime | 2026-10-12T06:00:00-06:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | [email protected],urn:oid:2.49.0.1.840.0.63d055c6b8522eab4f914c4a776454fb26ce1d04.001.2,2026-10-09T11:29:00-06:00 |
Locations
Location data
- Southern Rocky Mountain Front
- Southern High Plains
- Upper Blackfoot and MacDonald Pass
- Gates of the Mountains
| Name | Value |
|---|---|
| SAME | 030049 |
| SAME | 030099 |
| SAME | 030013 |
| UGC | MTZ307 |
| UGC | MTZ308 |
| UGC | MTZ315 |
| UGC | MTZ316 |