Lexington, Massachusetts, USA
Issued by the National Weather Service - Missoula, MT
Areas Affected: Potomac/Seeley Lake Region
Urgency: Expected
Severity: Severe
Certainty: Likely
Alert Sent: Thursday 5:09am MDT
Alert Effective: Thursday 5:09am MDT
Alert Expires: Friday 5:15am MDT (expect updated alert by this time)
Event Onset: Thursday 6:00pm MDT
Event Ends: Saturday 12:00pm MDT
Issued by: NWS Missoula MT
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT SATURDAY... * WHAT...Heavy snow expected. There is a likelihood of major winter storm impacts. Total snow accumulations between 6 to 12 inches, with 1 to 3 feet of snow in the mountains. Winds gusting as high as 45 mph. * WHERE...I-90 East Missoula to Bearmouth, Highway 83 Seeley Lake to Condon, and Highway 200 Bonner to Greenough. * WHEN...From 6 PM this evening to noon MDT Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.
ID: urn:oid:2.49.0.1.840.0.9aa3ec397066e102885e8b5bf77df551e5a6527b.007.1 Codes: MTZ043 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9aa3ec397066e102885e8b5bf77df551e5a6527b.007.1
Areas Affected: Potomac/Seeley Lake Region
Urgency: Expected
Severity: Severe
Certainty: Likely
Alert Sent: Thursday 4:55am MDT
Alert Effective: Thursday 4:55am MDT
Alert Expires: Thursday 6:00pm MDT
Event Onset: Thursday 4:55am MDT
Event Ends: Thursday 6:00pm MDT
Issued by: NWS Missoula MT
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 80 mph. * WHERE...Potomac/Seeley Lake Region. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
ID: urn:oid:2.49.0.1.840.0.4636c5e394ea148a522776971bf683a44e3cfcaf.005.1 Codes: MTZ043 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4636c5e394ea148a522776971bf683a44e3cfcaf.005.1
Areas Affected: Bitterroot/Sapphire Mountains; Potomac/Seeley Lake Region
Urgency: Unknown
Severity: Unknown
Certainty: Unknown
Alert Sent: Thursday 7:19am MDT
Alert Effective: Thursday 7:19am MDT
Alert Expires: Friday 7:00am MDT
Event Onset: Thursday 7:19am MDT
Issued by: NWS Missoula MT
AVWMSO The following message is transmitted at the request of West Central Montana Avalanche Center Missoula MT. ...AVALANCHE WARNING ISSUED BY THE WEST CENTRAL MONTANA AVALANCHE CENTER... 08:00 MDT Thu Mar 12 2026 The West Central Montana Avalanche Center in Missoula has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ006 (MTZ006)...MTZ043 (MTZ043) * WHAT...A large winter storm with 1-3 feet of new snow and strong wind is impacting the area. * WHERE...The Bitterroot Mountains from Lost Trail Pass to Lolo Pass, the Rattlesnake mountains, and the mountains above Seeley Lake. * WHEN...In effect from Thu 08:00 MDT to Fri 06:00 MDT. * IMPACTS...Snow and strong wind has increased the avalanche danger to HIGH. Large natural and human-triggered avalanches are likely. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions. Travel in avalanche terrain is not recommended. Avalanches may run long distances and can run into mature forests, valley floors, or flat terrain. Consult https://missoulaavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
ID: urn:oid:2.49.0.1.840.0.0d9bb2f4a24b80501249f7a854e24cf4320d6baf.001.1 Codes: MTZ006, MTZ043 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0d9bb2f4a24b80501249f7a854e24cf4320d6baf.001.1