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Dense Fog Advisory issued October 13 at 8:57AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT

Name: Dense Fog Advisory issued October 13 at 8:57AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT
Start: 2026-10-13T14:57:00.000Z
Location: Public record location

1 source

Observed Oct 13 2026, 14:57 UTC · Updated Oct 13 2026, 14:59 UTC

* WHAT...Highly variable visibility as low as one quarter of a mile in dense fog. * WHERE...Canyon Ferry Area, Helena Valley, Meagher County Valleys, Gallatin Valley, Madison River Valley, and Missouri Headwaters. * WHEN...Until noon MDT today. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Below freezing temperatures may lead to a glaze of ice on surfaces, most notably on bridges and overpasses. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Location 46.669, -111.971. ARC Warning did not create the underlying report.

Sources

Official
nws
nws, Oct 13 2026
Oct 13 2026, 14:57 UTC

Cite this

Stable URL: https://arcwarning.com/event/2d2c8e3e-34ac-41aa-83a1-b5ff383e790e

APA

ARC Warning. (2026). Dense Fog Advisory issued October 13 at 8:57AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT. https://arcwarning.com/event/2d2c8e3e-34ac-41aa-83a1-b5ff383e790e

MLA

"Dense Fog Advisory issued October 13 at 8:57AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT." ARC Warning, 2026-10-13, https://arcwarning.com/event/2d2c8e3e-34ac-41aa-83a1-b5ff383e790e.

Plain

Dense Fog Advisory issued October 13 at 8:57AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT. ARC Warning. https://arcwarning.com/event/2d2c8e3e-34ac-41aa-83a1-b5ff383e790e

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