Idaho frost advisories
There are no frost advisories in Idaho right now. The last one was issued on October 13, 2026.
Lows in the mid 30s will allow frost to form and may harm sensitive plants.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Map data: NWS, OpenFreeMap, OpenStreetMap
Active frost advisories in Idaho
None right now. Other active alerts in Idaho: none.
Frost Advisories in Idaho by year
Idaho averaged 13.1 frost advisories per year from 2016 to 2025, and has had 25 so far in 2026. The most recent was issued on October 13, 2026.
Counties with the most frost advisories
What a frost advisory means
Frost can form on clear, calm nights even when the air temperature stays a few degrees above freezing, typically with lows of 33 to 36°F. Frost advisories are issued during the growing season.
More about frost advisories and the national map →
What to do
- Cover tender plants with sheets or buckets overnight.