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Dense Fog Advisory
ActiveHelena Valley; Canyon Ferry Area; Missouri Headwaters; Gallatin Valley; Beaverhead and Western Madison below 6000ft
Status
In Progress
Started about 2 hours ago
Ends
Issued
Severity
Moderate
Urgency
Expected
Certainty
Likely
Details
* WHAT...Variable visibility down to one quarter of a mile or less in dense fog.
* WHERE...Canyon Ferry Area, Helena Valley, Beaverhead and Western Madison below 6000ft, Gallatin Valley, and Missouri Headwaters.
* WHEN...Until noon MST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
Instructions
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Data from the National Weather Service
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