Winter Storm Warning issued April 28 at 2:36AM MDT until April 28 at 12:00PM MDT by NWS Great Falls MT
* WHAT...Heavy snow. Additional snow accumulations up to 6 inches. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until noon MDT today. * IMPACTS...The weight of snow on tree limbs and power lines could lead to tree damage and cause sporadic power outages. Tire chains may be required for some vehicles if traveling through mountain passes.
Special Weather Statement issued April 27 at 4:42PM MDT by NWS Great Falls MT
At 441 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 14 miles southeast of Bozeman to 18 miles east of Ennis. Movement was northwest at 15 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar and webcam indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Heavy snow is falling for elevations above 6500 feet. Expect visibility below a half mile at times. Locations impacted include... Jeffers, Gallatin Gateway, Bozeman, Big Sky, and Ennis.
Winter Storm Warning issued April 27 at 2:25PM MDT until April 28 at 12:00PM MDT by NWS Great Falls MT
* WHAT...Heavy snow expected. Total snow accumulations up to 10 inches at and below pass level, with up to two feet above pass level. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...The weight of snow on tree limbs and power lines could lead to tree damage and cause sporadic power outages. Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...Snow levels will vary quite significantly across the area, resulting in significant north to south discrepancies in amounts across similar elevations.
Winter Weather Advisory issued April 27 at 2:25PM MDT until April 28 at 12:00PM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches, with locally higher amounts in northerly uplsope areas of the Gallatin and Madison Valleys. Winds gusting as high as 35 mph. * WHERE...Gallatin Valley and Madison River Valley. * WHEN...From midnight tonight to noon MDT Monday. * IMPACTS...The weight of snow on tree limbs and power lines could lead to tree damage and cause sporadic power outages. Slushy road conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Heavy precipitation rates through the evening hours tonight will help to lower snow levels to the valley floors by the early
Special Weather Statement issued April 26 at 4:11PM MDT by NWS Great Falls MT
At 410 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from near Moore to 14 miles north of Harlowton. Movement was east at 25 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Moore, Glengarry, Buffalo, Lewistown, and Garneill.
Winter Storm Warning issued April 26 at 1:42PM MDT until April 28 at 12:00PM MDT by NWS Great Falls MT
* WHAT...Heavy snow expected. Total snow accumulations up to 10 inches at and below pass level, with up to two feet above pass level. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM Sunday to noon MDT Monday. * IMPACTS...The weight of snow on tree limbs may down power lines and could cause sporadic power outages. Tire chains may be required for some vehicles if traveling through mountain passes. * ADDITIONAL DETAILS...Snow levels will vary quite significantly across the area, resulting in significant north to south discrepancies in amounts across similar elevations. Areas most favored for
Winter Storm Watch issued April 25 at 2:09PM MDT until April 28 at 12:00PM MDT by NWS Great Falls MT
...APRIL MOUNTAIN SNOW EVENT TO IMPACT SOUTHWESTERN AND CENTRAL MONTANA... .A slow moving weather system from the Pacific will move bring widespread rain to a large swath of Montana over the weekend, with the best chances for precipitation expected Sunday afternoon through Monday morning. While some of this precipitation will fall as rain even at the higher elevations, widespread flooding is not a major concern at this time. Snow levels will drop quickly Sunday evening and overnight, allowing snow to at least reach the passes by sunrise Monday. This snow will be heavy and wet, which may pose a danger
Special Weather Statement issued April 22 at 3:28PM MDT by NWS Great Falls MT
At 325 PM MDT, Doppler radar was tracking strong thunderstorms capable of producing landspouts and dust devils across Northern Toole, Liberty, Hill and Blaine Counties. Movement was east at 35 mph. HAZARD...Wind gusts up to 40 mph, pea size hail, and a low risk of landspouts. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Beaver Creek, Rudyard, Lohman, Gildford, Cleveland, Zurich, Laredo, Harlem, Havre, Chinook, Hingham, Whitlash, Fort Belknap, Turner, Kremlin, Hogeland, Simpson, and Inverness.
Special Weather Statement issued April 21 at 3:53PM MDT by NWS Great Falls MT
Scattered thunderstorms moving southeast over much of North Central and Central Montana east of the Rocky Mountain Front will continue through at least the afternoon hours. These storms are producing isolated cloud-to-ground lightning strikes, brief heavy rainfall, wind gusts to 40 mph, and small hail or graupel. These storms may also produce brief cold air funnels, which are mostly harmless. However, if they briefly touch down as landspouts, they may cause even stronger winds gusts or possibly some minor damage to trees or structures. If you spot either of these, move indoors until the storm passes, and we would appreciate
Special Weather Statement issued April 20 at 4:32PM MDT by NWS Great Falls MT
At 431 PM MDT, Doppler radar was tracking strong thunderstorms, one of which has produced a landspout, along a line extending from 9 miles east of Parker School to 13 miles northwest of Choteau. Movement was northeast at 25 mph. HAZARD...Landspouts, wind gusts up to 40 mph, and half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Azure, Parker School, Agency, St. Pierre, Rocky Boy, Tiber Dam, Big Sandy, Laredo, Brady, The Knees, Bynum, Sangrey, Kenilworth, Conrad, Boneau, Box Elder, and Lloyd.