Dense Fog Advisory issued October 12 at 12:25PM MDT until October 13 at 12:00PM MDT by NWS Great Falls MT
WHAT: Visibility as low as one quarter of a mile in dense fog.
WHERE: Portions of central, north central, and southwest Montana.
WHEN: From 9 PM this evening to noon MDT Tuesday.
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.
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If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.