Boyd, MT Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Boyd.

Use the Radar Maps link provided to understand the trajectory of a storm.

Dense Fog Advisory issued November 25 at 2:15AM MST until November 25 at 10:00AM MST by NWS Great Falls MT

* WHAT...Visibility of less than one half mile in dense fog for some areas. * WHERE...The Interstate 90 Corridor between Bozeman and Whitehall, Helena Valley, Elkhorn and Boulder Mountains, and Canyon Ferry Area. * WHEN...Until 10 AM MST this morning. * IMPACTS...Low visibility and slick or snow-covered roads will combine to make driving conditions very hazardous. * ADDITIONAL DETAILS...This fog is patchy in nature, so if you drive out of an area of dense fog, be prepared to drive into another one.