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Minor Flood Advisory in Many Glacier Valley as Spotty Mountain Storms Persist

Forecasters say the advisory reflects localized runoff risks while a mainly dry, warm pattern should keep holiday plans on track with breezy mountain corridors.

Overview

  • The National Weather Service issued a flood advisory for Many Glacier Valley that remained in effect Thursday morning for ongoing minor, localized flooding in Glacier National Park.
  • Most of western and central Montana will be partly to mostly sunny and warm with highs generally in the 70s to low‑mid 80s and many valley locations staying dry.
  • Isolated afternoon and evening storms will be mainly mountain-focused and short‑lived, though a couple of cells in eastern Montana could produce damaging winds of 58+ mph or hail 1 inch or larger.
  • Independence Day is forecast to be largely dry and sunny, with warmth continuing into early next week and sustained breezy conditions of about 10–25 mph confined chiefly to the Divide and Rocky Mountain Front.
  • Park visitors and outdoor plans should watch for sudden runoff or brief storms near ridgelines because impacts are local and short-lived, and forecasters say the main weather story in the coming days will be continued warmth rather than widespread rain.