Special Weather Statement issued May 12 at 7:31PM MDT by NWS Billings MT
At 731 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles southeast of Melstone, or 27 miles west of Hysham, moving northeast at 40 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Melstone and Ingomar.
Special Weather Statement issued May 12 at 7:00PM MDT by NWS Glasgow MT
At 659 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles west of Opheim, moving northeast at 50 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Thoeny, Baylor, Opheim, Glentana, Port Of Opheim, and Richland.
Special Weather Statement issued May 12 at 6:56PM MDT by NWS Glasgow MT
At 656 PM MDT, Doppler radar was tracking strong thunderstorms, moving northeast at 55 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... The Pines Rec Area, Sand Springs, Fourchette, U L Bend Rec Area, Petrolia Lake, Crooked Creek Rec Area, Steve Fork, Phillips, Tiegen, Flatwillow, Haxby, Devils Creek Rec Area, Hell Creek Rec Area, Zortman, Edwards, Content, Sun Prairie, Cohagen, Mosby, and Cat Creek.
Winter Storm Watch issued May 12 at 1:27PM MDT until May 16 at 6:00AM MDT by NWS Billings MT
* WHAT...Heavy snow possible. Total snow accumulations of 8 to 14 inches possible. Winds could gust as high as 45 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From Tuesday evening through late Thursday night. * IMPACTS...Recreation in the high country could be impacted by heavy accumulating snow. The hazardous conditions could impact travel on US Highway 14 through Burgess Junction.
Winter Storm Warning issued May 12 at 1:27PM MDT until May 15 at 12:00AM MDT by NWS Billings MT
* WHAT...Heavy snow expected. Total snow accumulations of 1 to 2 feet, above 7000 feet. Winds could gust as high as 35 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From noon Tuesday to midnight MDT Wednesday Night. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Snow removal operations on the Beartooth Highway will be impacted. * ADDITIONAL DETAILS...Heaviest accumulations on north-facing slopes.
Winter Weather Advisory issued May 12 at 1:23PM MDT until May 13 at 9:00AM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations of 3 to 8 inches above 7000 feet. Isolated higher amounts around Pony. * WHERE...The Mountains of Southwestern Montana south of Interstate 90, and Elkhorn and Boulder Mountains. * WHEN...From 8 PM this evening to 9 AM MDT Tuesday. * IMPACTS...Higher mountain passes will likely become snow covered and slippery.
Red Flag Warning issued May 12 at 10:15AM MDT until May 12 at 9:00PM MDT by NWS Glasgow MT
Unusually warm temperatures and gusty winds will lead to near critical fire weather conditions today. A surface pressure trough running from Jordan to Wolf Point to Sheridan County will become the focal point for thunderstorms and downdraft winds could be just enough to generate critical fire weather conditions. * AFFECTED AREA...Fire weather zones 120, 122, 136, and 137. * WIND...Southwest at 15 to 25 mph gusting as high as 35 mph. * HUMIDITY...as low as 13 percent. * THUNDERSTORMS... Isolated storms are expected along a line from Jordan to Wolf Point to Plentywood in the late afternoon through the evening
Lake Wind Advisory issued May 12 at 6:40PM MDT until May 13 at 12:00PM MDT by NWS Glasgow MT
* WHAT...Northwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, McCone, and Petroleum Counties. * WHEN...Until noon MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Wave heights to 4 feet can be expected on the north side of the Dry Arm.
Winter Weather Advisory issued May 12 at 12:48PM MDT until May 13 at 12:00PM MDT by NWS Missoula MT
* WHAT...Snow expected above 7000 ft. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 60 percent, and 3 to 6 inches of snow is 10 percent. * WHERE...Bannock Pass, Williams Creek Summit, Highway 28 Tendoy to Lone Pine, and Lemhi Pass. * WHEN...From midnight tonight to noon MDT Tuesday. * IMPACTS...For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes.
Lake Wind Advisory issued May 12 at 1:19AM MDT until May 12 at 9:00PM MDT by NWS Pocatello ID
* WHAT...West winds 15 to 25 mph with gusts up to 30 mph expected for American Falls Reservoir. * WHERE...Lower Snake River Plain. * WHEN...From 2 PM this afternoon to 9 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.