OFFICIAL · Severe weather

Dense Fog Advisory issued October 13 at 6:55AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT

Name: Dense Fog Advisory issued October 13 at 6:55AM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT
Start: 2026-10-13T12:55:00.000Z
Location: Public record location

1 source

Observed Oct 13 2026, 12:55 UTC · Updated Oct 13 2026, 12:57 UTC

* WHAT...Highly variable visibility as low as one quarter of a mile in dense fog. * WHERE...Portions of central, north central, and southwest Montana. * 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 48.529, -111.354. ARC Warning did not create the underlying report.

Sources

Official
nws
nws, Oct 13 2026
Oct 13 2026, 12:55 UTC

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