Special Weather Statement

Locations Affected

Helena Valley Southeast, MT ∙ Broadwater, MT ∙ Helena Valley Northeast, MT ∙ Helena West Side, MT ∙ Helena Airport ASOS, MT ∙ Lake Helena, MT ∙ Helena, MT ∙ East Helena, MT ∙ Helena Valley Northwest, MT

Full Alert Message

Special Weather Statement National Weather Service Great Falls MT 515 AM MDT Thu Oct 22 2026 ...DENSE FOG IN THE HELENA VALLEY THIS MORNING... Patchy dense fog is occurring over portions of the Helena Valley this morning. Visibility is below a half mile in some areas. Those traveling through the Helena valley this morning should be alert for quickly changing visibility conditions. The fog should begin to dissipate after 9 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the weather situation closely and be alert for threatening weather conditions.

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