Lexington, Massachusetts, USA
Issued by the National Weather Service - Great Falls, MT
Areas Affected: Helena Valley; Big Belt, Bridger and Castle Mountains; Meagher County Valleys; Elkhorn and Boulder Mountains
Urgency: Expected
Severity: Severe
Certainty: Likely
Alert Sent: Thursday 1:36pm MDT
Alert Effective: Thursday 1:36pm MDT
Alert Expires: Friday 4:45am MDT (expect updated alert by this time)
Event Onset: Thursday 6:00pm MDT
Event Ends: Saturday 6:00pm MDT
Issued by: NWS Great Falls MT
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT SATURDAY... * WHAT...Periods of moderate to heavy snow expected. Total snow accumulations between 8 and 12 inches with up to 18 inches at the highest elevations. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains, Elkhorn and Boulder Mountains, Helena Valley, and Meagher County Valleys. * WHEN...From 6 PM this evening to 6 PM MDT Saturday. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes.
Monitor the latest forecasts for updates on this situation. Remember, a Winter Storm Watch means that there is at least a 50% chance of impactful winter weather conditions during the watch period.
ID: urn:oid:2.49.0.1.840.0.14b965ec99fe46f96531fd878ab1177617660741.002.2 Codes: MTZ319, MTZ320, MTZ321, MTZ322 Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.14b965ec99fe46f96531fd878ab1177617660741.002.2