National Weather Service United States Department of Commerce
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Last Map Update: Wed, Oct 7, 2026 at 7:56:04 pm MDT

High pressure will bring very warm temperatures, near or at record highs, through Friday. A low pressure system will then move in Saturday, bringing cooler temperatures and chances of showers, especially across central Idaho.
This graphic shows the average first Frost and Freeze dates across a few lower elevation sites. Most sites reach frost and/or freeze in the month of October.

 

 

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