604
WUUS55 KBYZ 140031
SVRBYZ
MTC097-140130-
/O.NEW.KBYZ.SV.W.0009.260514T0031Z-260514T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Billings MT
631 PM MDT Wed May 13 2026

The National Weather Service in Billings has issued a

* Severe Thunderstorm Warning for...
  Sweet Grass County in south central Montana...

* Until 730 PM MDT.

* At 631 PM MDT, a severe thunderstorm was located over Big Timber,
  moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Big Timber, Greycliff and Melville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. Seek
shelter immediately inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4552 10993 4594 11029 4600 11029 4622 10996
      4622 10965 4613 10965 4613 10960 4605 10960
      4604 10946 4601 10942 4596 10942 4596 10951
      4587 10951 4587 10955 4563 10956 4561 10959
      4561 10969 4557 10969 4557 10981 4552 10981
TIME...MOT...LOC 0031Z 241DEG 30KT 4586 10993

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

McKeown-Robbie