Special Weather Statement issued July 30 at 7:58PM MDT by NWS Billings MT

Posted at 7:58 PM, Jul 30, 2019
and last updated 2019-07-30 21:58:00-04

At 757 PM MDT, Doppler radar was tracking a strong thunderstorm 17
miles southwest of Lodge Grass, or 35 miles northwest of Sheridan,
moving east at 35 mph. This storm will cross a section of I-90
between Lodge Grass and the Montana-Wyoming border.

Dime size hail and winds in excess of 40 mph are possible with this

Locations impacted include…
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.