745
WWUS45 KBYZ 130339
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
839 PM MST Fri Dec 12 2025

MTZ030-130445-
/O.CAN.KBYZ.WS.W.0019.000000T0000Z-251213T1500Z/
Treasure-
839 PM MST Fri Dec 12 2025

...WINTER STORM WARNING IS CANCELLED...

The threat for impactful snow accumulations has ended, therefore the
warning has been cancelled. Roads remain slick and snowpacked so
continue to use caution if you must travel tonight.

$$

MTZ031-032-131500-
/O.CON.KBYZ.WS.W.0019.000000T0000Z-251213T1500Z/
Northern Rosebud-Custer-
Including the locations of Ismay, Angela, Colstrip, Volborg, Miles
City, Ingomar, and Forsyth
839 PM MST Fri Dec 12 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST SATURDAY...

* WHAT...Snow, locally heavy at times. Additional snow accumulations
  up to 3 inches.

* WHERE...Custer and Northern Rosebud.

* WHEN...Until 8 AM MST Saturday.

* IMPACTS...Slick and snow covered roads will make travel difficult.
  Travel on rural roads may be impossible at times.

* ADDITIONAL DETAILS...The highest snowfall amounts are forecast for
  Custer County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. For the latest road conditions, call
5 1 1.

&&

$$

MTZ033-036-037-131500-
/O.CON.KBYZ.WW.Y.0041.000000T0000Z-251213T1500Z/
Fallon-Powder River-Carter-
Including the locations of Webster, Ekalaka, Sonnette, Plevna,
Powderville, Baker, Alzada, Hammond, Biddle, Broadus, and Belltower
839 PM MST Fri Dec 12 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST
SATURDAY...

* WHAT...Snow occurring. Additional snow accumulations up to 3
  inches.

* WHERE...Carter, Fallon, and Powder River.

* WHEN...Until 8 AM MST Saturday.

* IMPACTS...Travel may be treacherous in spots, and will remain
  difficult into Saturday due to accumulating snow.

* ADDITIONAL DETAILS...Lower snowfall totals will occur in Powder
  River and Carter Counties with the heaviest amounts in Fallon
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Chambers