Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Daniels, MT; Roosevelt, MT; Sheridan, MT |
| Effective: | 2026-06-27 @ 6:43 pm -> 2026-06-27 @ 7:45 pm |
| Onset: | 2026-06-27 @ 6:43 pm -> 2026-06-27 @ 7:45 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:43 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:43PM MDT until June 27 at 6:45PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southeastern Daniels County in northeastern Montana... North central Roosevelt County in northeastern Montana... Southwestern Sheridan County in northeastern Montana... * Until 645 PM MDT. * At 543 PM MDT, a severe thunderstorm was located 15 miles northwest of Brockton, or 16 miles north of Poplar, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of southeastern Daniels, north central Roosevelt and southwestern Sheridan Counties. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Dawson, MT; Richland, MT; Wibaux, MT |
| Effective: | 2026-06-27 @ 6:39 pm -> 2026-06-27 @ 7:45 pm |
| Onset: | 2026-06-27 @ 6:39 pm -> 2026-06-27 @ 7:45 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:39 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:39PM MDT until June 27 at 6:45PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... North central Wibaux County in northeastern Montana... Northeastern Dawson County in northeastern Montana... Central Richland County in northeastern Montana... * Until 645 PM MDT. * At 539 PM MDT, a severe thunderstorm was located 11 miles west of Savage, or 24 miles southwest of Sidney, moving north at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Lambert, Savage, Midway, Burns, and Enid. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Carter, MT; Custer, MT; Fallon, MT |
| Effective: | 2026-06-27 @ 6:31 pm -> 2026-06-27 @ 7:30 pm |
| Onset: | 2026-06-27 @ 6:31 pm -> 2026-06-27 @ 7:30 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Billings MT on 2026-06-27 @ 6:31 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:31PM MDT until June 27 at 6:30PM MDT by NWS Billings MT |
| Description: |
At 531 PM MDT, severe thunderstorms were located along a line from Ridgeway to Ismay and east to the Dakotas border, moving northeast at 30 mph. HAZARD...Two inch hail and 60 mph wind gusts. The strongest thunderstorm was located near Webster or about 25 miles southeast of Baker as of 530 PM MDT. SOURCE...Public reported golf ball size hail 25 miles southeast of Baker at 525 PM MDT. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Baker, Ekalaka, Ridgeway, Plevna, Ismay, Medicine Rocks State Park, Willard, Webster, Mill Iron, Belltower, Westmore, Ollie and Capitol. |
| Alert: | Special Weather Statement |
| Area(s): | Central and Southern Valley; Garfield |
| Effective: | 2026-06-27 @ 6:17 pm -> 2026-06-27 @ 7:15 pm |
| Onset: | 2026-06-27 @ 6:17 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:17 pm |
| Headline: | Special Weather Statement issued June 27 at 5:17PM MDT by NWS Glasgow MT |
| Description: |
At 517 PM MDT, Doppler radar was tracking a strong thunderstorm near Hell Creek Rec Area, or 25 miles north of Jordan. This storm was nearly stationary. HAZARD...Winds in excess of 40 mph and nickel 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... Fort Peck, The Pines Rec Area, Fort Peck Marina, Duck Creek Rec Area, and Hell Creek Rec Area. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Dawson, MT; Richland, MT; Wibaux, MT |
| Effective: | 2026-06-27 @ 6:17 pm -> 2026-06-27 @ 7:15 pm |
| Onset: | 2026-06-27 @ 6:17 pm -> 2026-06-27 @ 7:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:17 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:17PM MDT until June 27 at 6:15PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Wibaux County in northeastern Montana... Southeastern Dawson County in northeastern Montana... South central Richland County in northeastern Montana... * Until 615 PM MDT. * At 517 PM MDT, a severe thunderstorm was located 10 miles southwest of Wibaux, moving north at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Wibaux, Intake, Hodges, Saint Phillip, and Yates. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Richland, MT; Roosevelt, MT |
| Effective: | 2026-06-27 @ 6:13 pm -> 2026-06-27 @ 7:15 pm |
| Onset: | 2026-06-27 @ 6:13 pm -> 2026-06-27 @ 7:15 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:13 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:13PM MDT until June 27 at 6:15PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... South central Roosevelt County in northeastern Montana... Northwestern Richland County in northeastern Montana... * Until 615 PM MDT. * At 513 PM MDT, a severe thunderstorm was located 15 miles south of Brockton, or 17 miles southeast of Poplar, moving north at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Brockton, Fort Kipp, and Sprole. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Garfield, MT |
| Effective: | 2026-06-27 @ 6:05 pm -> 2026-06-27 @ 7:00 pm |
| Onset: | 2026-06-27 @ 6:05 pm -> 2026-06-27 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:05 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:05PM MDT until June 27 at 6:00PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southeastern Garfield County in northeastern Montana... * Until 600 PM MDT. * At 505 PM MDT, a severe thunderstorm was located 14 miles southeast of Edwards, or 28 miles southwest of Jordan, moving northeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Jordan, Cohagen, Edwards, Brusett, Van Norman, and Steve Fork. |
| Alert: | Severe Thunderstorm Warning |
| Area(s): | Daniels, MT |
| Effective: | 2026-06-27 @ 6:01 pm -> 2026-06-27 @ 7:00 pm |
| Onset: | 2026-06-27 @ 6:01 pm -> 2026-06-27 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 6:01 pm |
| Headline: | Severe Thunderstorm Warning issued June 27 at 5:01PM MDT until June 27 at 6:00PM MDT by NWS Glasgow MT |
| Description: |
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Central Daniels County in northeastern Montana... * Until 600 PM MDT. * At 500 PM MDT, a severe thunderstorm was located near Scobey, moving north at 30 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Scobey, Port Of Scobey, Madoc, and Four Buttes. |
| Alert: | Flash Flood Warning |
| Area(s): | Valley, MT |
| Effective: | 2026-06-27 @ 5:59 pm -> 2026-06-27 @ 9:00 pm |
| Onset: | 2026-06-27 @ 5:59 pm -> 2026-06-27 @ 9:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 5:59 pm |
| Headline: | Flash Flood Warning issued June 27 at 4:59PM MDT until June 27 at 8:00PM MDT by NWS Glasgow MT |
| Description: |
FFWGGW The National Weather Service in Glasgow has issued a * Flash Flood Warning for... Northwestern Valley County in northeastern Montana... * Until 800 PM MDT. * At 459 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Thoeny. |
| Alert: | Flash Flood Warning |
| Area(s): | Big Horn, MT |
| Effective: | 2026-06-27 @ 5:31 pm -> 2026-06-27 @ 7:00 pm |
| Onset: | 2026-06-27 @ 5:31 pm -> 2026-06-27 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Immediate |
| Issued By: | NWS Billings MT on 2026-06-27 @ 5:31 pm |
| Headline: | Flash Flood Warning issued June 27 at 4:31PM MDT until June 27 at 6:00PM MDT by NWS Billings MT |
| Description: |
At 431 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Mainly rural areas of Central Big Horn County. |
| Alert: | Severe Thunderstorm Watch |
| Area(s): | Daniels, MT; Dawson, MT; Garfield, MT; McCone, MT; Prairie, MT; Richland, MT; Roosevelt, MT; Sheridan, MT; Valley, MT; Wibaux, MT |
| Effective: | 2026-06-27 @ 5:28 pm -> 2026-06-28 @ 12:00 am |
| Onset: | 2026-06-27 @ 5:28 pm -> 2026-06-28 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 5:28 pm |
| Headline: | Severe Thunderstorm Watch issued June 27 at 4:28PM MDT until June 27 at 11:00PM MDT by NWS Glasgow MT |
| Description: |
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 408 IN EFFECT UNTIL 11 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 10 COUNTIES IN NORTHEAST MONTANA DANIELS DAWSON GARFIELD MCCONE PRAIRIE RICHLAND ROOSEVELT SHERIDAN VALLEY WIBAUX THIS INCLUDES THE CITIES OF CIRCLE, CULBERTSON, FAIRVIEW, FORT PECK, GLASGOW, GLENDIVE, JORDAN, MEDICINE LAKE, OPHEIM, PLENTYWOOD, POPLAR, RICHEY, SCOBEY, SIDNEY, TERRY, WIBAUX, AND WOLF POINT. |
| Alert: | Flood Advisory |
| Area(s): | Valley, MT |
| Effective: | 2026-06-27 @ 5:11 pm -> 2026-06-27 @ 8:15 pm |
| Onset: | 2026-06-27 @ 5:11 pm -> 2026-06-27 @ 8:15 pm |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-06-27 @ 5:11 pm |
| Headline: | Flood Advisory issued June 27 at 4:11PM MDT until June 27 at 7:15PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Valley County in northeastern Montana... * WHEN...Until 715 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 410 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Thoeny. - http://www.weather.gov/safety/flood |
| Alert: | Severe Thunderstorm Watch |
| Area(s): | Big Horn, MT; Carter, MT; Custer, MT; Fallon, MT; Powder River, MT; Rosebud, MT; Treasure, MT; Sheridan, WY |
| Effective: | 2026-06-27 @ 4:52 pm -> 2026-06-27 @ 8:00 pm |
| Onset: | 2026-06-27 @ 4:52 pm -> 2026-06-27 @ 8:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-06-27 @ 4:52 pm |
| Headline: | Severe Thunderstorm Watch issued June 27 at 3:52PM MDT until June 27 at 7:00PM MDT by NWS Billings MT |
| Description: |
SEVERE THUNDERSTORM WATCH 405 REMAINS VALID UNTIL 7 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 7 COUNTIES IN SOUTH CENTRAL MONTANA BIG HORN IN SOUTHEAST MONTANA CARTER CUSTER FALLON POWDER RIVER ROSEBUD TREASURE IN WYOMING THIS WATCH INCLUDES 1 COUNTY IN NORTH CENTRAL WYOMING SHERIDAN THIS INCLUDES THE CITIES OF ASHLAND, BAKER, BROADUS, COLSTRIP, CROW AGENCY, EKALAKA, FORSYTH, HARDIN, HYSHAM, LAME DEER, MILES CITY, AND SHERIDAN. |
| Alert: | Flood Watch |
| Area(s): | East Glacier Park Region |
| Effective: | 2026-06-27 @ 1:47 pm -> 2026-06-28 @ 7:15 am |
| Onset: | 2026-06-28 @ 7:00 pm -> 2026-06-30 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-06-27 @ 1:47 pm |
| Headline: | Flood Watch issued June 27 at 12:47PM MDT until June 30 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
Heavy rain may fall on a primed snowpack at higher elevations leading to the snow melt increasing. Flows in rivers may increase quickly and reach critical levels. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...A portion of north central Montana, including the following area, East Glacier Park Region, including the east side of Glacier National Park. * WHEN...From Sunday evening through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Heavy rainfall is expected over the Northern Rockies, including the east side of Glacier Park from today into Monday. Rainfall amounts of 2 to 4 inches are possible by Monday. Additionally, high elevation snowpack could be washed out, adding to additional runoff. - The east side of Glacier National Park, including areas around St. Mary and Babb. - http://www.weather.gov/safety/flood |
| Alert: | Winter Weather Advisory |
| Area(s): | Elkhorn and Boulder Mountains; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-06-27 @ 1:44 pm -> 2026-06-28 @ 7:00 am |
| Onset: | 2026-06-27 @ 7:00 pm -> 2026-06-29 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-06-27 @ 1:44 pm |
| Headline: | Winter Weather Advisory issued June 27 at 12:44PM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Periods of wet snow expected. Total snow accumulations up to 5 inches above 6500 feet, with localized amounts in excess of 9 inches near highest peaks. * WHERE...Elkhorn and Boulder Mountains, Gallatin and Madison County Mountains and Centennial Mountains, and Ruby Mountains and Southern Beaverhead Mountains. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Plan on cold and wet backcountry conditions with a heightened hypothermia risk for those not properly dressed. Wet snow may down trees and block access to forest roadways. * ADDITIONAL DETAILS...Campers should be aware that it only takes a few inches of snow to damage tents and other recreational items. |
| Alert: | Winter Storm Warning |
| Area(s): | Northwest Beaverhead County |
| Effective: | 2026-06-27 @ 1:44 pm -> 2026-06-28 @ 7:00 am |
| Onset: | 2026-06-27 @ 7:00 pm -> 2026-06-29 @ 1:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-06-27 @ 1:44 pm |
| Headline: | Winter Storm Warning issued June 27 at 12:44PM MDT until June 29 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches at pass level, with snow amounts in excess of a foot in the higher terrain. * WHERE...Northwest Beaverhead County. * WHEN...From 6 PM this evening to noon MDT Monday. * IMPACTS...Travel could be difficult over passes. Back country conditions will be very dangerous, especially near and above pass level. * ADDITIONAL DETAILS...Wet snow may down trees and block access to forest roadways. |
| Alert: | Hydrologic Outlook |
| Area(s): | Flathead, MT; Lake, MT |
| Effective: | 2026-06-27 @ 1:25 pm -> 2026-06-30 @ 7:00 am |
| Onset: | 2026-06-27 @ 1:25 pm |
| Severity: | Unknown |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2026-06-27 @ 1:25 pm |
| Headline: | Hydrologic Outlook issued June 27 at 12:25PM MDT by NWS Missoula MT |
| Description: |
ESFMSO What: Widespread moderate rainfall over a prolonged period of time. Storm total amounts between 1 to 3 inches for valleys and 2 to 4 inches for the mountains. Where: Flathead and Lake Counties in northwest Montana, including Glacier National Park. Timing: Beginning Sunday afternoon, continuing through Monday night. Significant rainfall totals will bring potential for rapid rises on streams and creeks, rock and debris slides and runoff issues in poor drainage areas. Those recreating in the backcountry should take caution on backcountry roadways for falling debris. If camping, be mindful of where you park your RV or pitch your tent. Avoid setting up near water's edge, as streams and reservoirs could rise rapidly and flood your site. |
| Alert: | Winter Weather Advisory |
| Area(s): | Absaroka/Beartooth Mountains |
| Effective: | 2026-06-27 @ 11:49 am -> 2026-06-28 @ 12:00 pm |
| Onset: | 2026-06-27 @ 11:00 pm -> 2026-06-29 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-06-27 @ 11:49 am |
| Headline: | Winter Weather Advisory issued June 27 at 10:49AM MDT until June 29 at 6:00PM MDT by NWS Billings MT |
| Description: |
* WHAT...Wet snow expected for the Beartooth Highway. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 40 mph tonight into Sunday, then up to 55 mph on Monday. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 10 PM this evening to 6 PM MDT Monday. * IMPACTS...Travel on the Beartooth Highway will be impacted by wintry conditions. * ADDITIONAL DETAILS...The snow will lighten or even stop for a time Sunday afternoon into Sunday evening. Snow will redevelop Sunday night and continue into Monday. |
| Alert: | Winter Storm Warning |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2026-06-26 @ 12:04 pm -> 2026-06-29 @ 10:00 am |
| Onset: | 2026-06-27 @ 7:00 pm -> 2026-06-29 @ 10:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-06-26 @ 12:04 pm |
| Headline: | Winter Storm Warning issued June 26 at 11:04AM MDT until June 29 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Heavy wet snow expected above 6500 feet. Total snow accumulations of 4 to 8 inches, with up to 12 inches across the highest peaks. * WHERE...Skalkaho Pass, Nez Perce Pass, backcountry and higher elevation areas. * WHEN...From 6 PM Saturday to 9 AM MDT Monday. * IMPACTS...Plan for winter-like conditions in the backcountry and higher elevations. Cold temperatures and wet snow will elevate the risk of hypothermia. Heavy wet snow may down trees, blocking access to backcountry roadways. |
| Alert: | Winter Storm Warning |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2026-06-26 @ 12:04 pm -> 2026-06-29 @ 10:00 am |
| Onset: | 2026-06-27 @ 7:00 pm -> 2026-06-29 @ 10:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-06-26 @ 12:04 pm |
| Headline: | Winter Storm Warning issued June 26 at 11:04AM MDT until June 29 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Heavy wet snow expected above 6500 feet. Total snow accumulations of 4 to 8 inches, with 8 to 16 inches across the Anaconda Pintler Mountains. * WHERE...Georgetown Lake, backcountry and higher elevation areas. * WHEN...From 6 PM Saturday to 9 AM MDT Monday. * IMPACTS...Plan for winter-like conditions in the backcountry and higher elevations. Cold temperatures and wet snow will elevate the risk of hypothermia. Heavy wet snow may down trees, blocking access to backcountry roadways. |