Winter Weather Advisory issued March 29 at 9:33AM MDT until March 30 at 9:00AM MDT by NWS Missoula MT
* WHAT...Snow expected. Likelihood of minor to moderate impacts from around 1 to 3 inches of snow is 70 percent, and 3 to 6 inches of snow is 20 percent. * WHERE...Highway 93 Lost Trail Pass to Gibbonsville, Highway 28 Tendoy to Lone Pine, Shoup, Bannock Pass, Williams Creek Summit, Salmon, and Lemhi Pass. * WHEN...From 6 PM this evening to 9 AM MDT Sunday. * IMPACTS...For MINOR impacts from snow, expect a few inconveniences to normal activities. Use caution while driving. Winter traveling conditions.
Winter Storm Watch issued March 28 at 10:30AM MDT until March 30 at 9:00AM MDT by NWS Missoula MT
A low pressure system will develop Saturday night across southwest Montana, but model guidance shows considerable uncertainty. A slower, stronger system could produce heavy snowfall in localized areas, while a weaker or faster-moving low would limit accumulations. * WHAT...Heavy snow possible. Chance of moderate impacts is 80 percent, and major impacts from snow is at least 50 percent. There is a 35 percent chance that Georgetown Lake, Anaconda, Butte, and Homestake Pass could receive greater than 4 inches. There is a 10 percent chance that snowfall could exceed 10 inches from Georgetown Lake to Homestake Pass. Northern Granite and Powell
Avalanche Watch issued March 25 at 8:07AM MDT by NWS Missoula MT
AVAMSO The following message is transmitted at the request of Flathead Avalanche Center Hungry Horse MT. ...AVALANCHE WATCH ISSUED BY THE FLATHEAD AVALANCHE CENTER... 08:00 MDT Tue Mar 25 2025 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Missoula MT - MTZ001 (MTZ001)...MTZ002 (MTZ002) * WHAT...Rising temperatures and direct sun may produce very dangerous avalanche conditions Wednesday. * WHERE...Mid and upper elevations of the Whitefish and Swan Ranges; all elevations of the Flathead Range and portions of Glacier National Park (Lake McDonald and near Marias Pass). * WHEN...In effect from
Hydrologic Outlook issued March 25 at 10:38AM MDT by NWS Missoula MT
ESFMSO Where: Idaho and Clearwater Counties What: Temperatures in the 60s and 70s are anticipated for the mid elevations through Thursday, with overnight temperatures not anticipated to drop below freezing. This will accelerate snow melt in the mid and upper elevations, leading to rapidly rising water levels on small streams and creeks. Flooding is not anticipated at this time, though Orofino Creek in Orofino may approach action stage, with a low probability of reaching minor flood stage. When: Through Thursday, March 27. People with activities near creeks and streams should exercise caution as flows will be swift and cold. Monitor
Avalanche Warning issued March 24 at 7:30AM MDT by NWS Missoula MT
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 06:00 PDT Mon Mar 24 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County) * WHAT...An Avalanche Warning is in effect from Monday 6 AM to Tuesday 6 AM. Very dangerous avalanche conditions have developed from several feet of recent snowfall followed by moderate to heavy rain saturating the
Avalanche Warning issued March 24 at 6:44AM MDT by NWS Missoula MT
AVWMSO The following message is transmitted at the request of Flathead Avalanche Center Hungry Horse MT. ...AVALANCHE WARNING ISSUED BY THE FLATHEAD AVALANCHE CENTER... 07:00 MDT Mon Mar 24 2025 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001)...MTZ002 (MTZ002) * WHAT...Heavy snow, powerful winds, above-freezing temperatures, and rain have combined to create very dangerous avalanche conditions. * WHERE...All elevations of the Whitefish, Swan, and Flathead Ranges, and the Lake McDonald and Marias Pass areas of glacier National Park. * WHEN...In effect from Mon 07:00 MDT
Avalanche Watch issued March 23 at 1:25PM MDT by NWS Missoula MT
AVAMSO The following message is transmitted at the request of Flathead Avalanche Center Hungry Horse MT. ...AVALANCHE WATCH ISSUED BY THE FLATHEAD AVALANCHE CENTER... 13:00 MDT Sun Mar 23 2025 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Missoula MT - MTZ001 (MTZ001)...MTZ002 (MTZ002) * WHAT...Heavy snow and strong winds, followed by rising temperatures and rain, may create very dangerous avalanche conditions Sunday night and Monday. * WHERE...All elevations of the Whitefish, Swan, and Flathead Ranges, and the Lake McDonald and Marias Pass areas of Glacier National Park. * WHEN...In
Avalanche Warning issued March 22 at 7:24AM MDT by NWS Missoula MT
AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 06:00 PDT Sat Mar 22 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County)...ID 079 (Shoshone County) * WHAT...An Avalanche Warning is in effect from Saturday 6 AM to Sunday 6 AM. Very dangerous avalanche conditions have developed from wet, dense snowfall and strong winds. You can very easily
Avalanche Warning issued March 22 at 6:49AM MDT by NWS Missoula MT
AVWMSO The following message is transmitted at the request of Flathead Avalanche Center Hungry Horse MT. ...AVALANCHE WARNING ISSUED BY THE FLATHEAD AVALANCHE CENTER... 07:00 MDT Sat Mar 22 2025 The Flathead Avalanche Center in Hungry Horse has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ002 (MTZ002) * WHAT...Heavy snowfall and wind have caused dangerous avalanche conditions. * WHERE...Above 6500 feet in the Swan and Flathead Ranges as well as Glacier National Park. The hazard is greatest on wind-affected slopes. * WHEN...In effect from Sat 07:00 MDT to Sun 07:00 MST. * IMPACTS...Backcountry travelers
Wind Advisory issued March 21 at 1:16PM MDT until March 22 at 6:00PM MDT by NWS Missoula MT
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Butte/Blackfoot Region. * WHEN...From 10 AM to 6 PM MDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.