National Weather Service United States Department of Commerce

Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. Read More >

Southwest Idaho and Southeast Oregon Freeze Data

Table lists the average freeze date from 1991 through 2020 (30-year climate period). For the spring, the average last freeze date is given. For the fall, the average first freeze date is given.

A frost can occur when temperatures reach or fall below 36°F.
A hard freeze is when temperatures reach or fall below 28°F.
A freeze is when temperatures reach or fall below 32°F.

 
City Spring (Average Last Freeze Date) Fall (Average First Freeze Date)
36°F 32°F 28°F 24°F 36°F 32°F 28°F 24°F
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