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Boise, ID

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NWS Forecast Office Boise, ID

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Last Map Update: Sun, Jan 18, 2026 at 12:14:14 am MST

Air Stagnation Continues
Stable and dry conditions will continue as high pressure dominates over the west. This will promote stagnant valley conditions that can reduce air quality over time. Freezing fog and low stratus will be common in valley locations. An Air Stagnation Advisory remains in effect.
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