Alert archive / Idaho / Frost Advisories

Frost Advisories in Idaho, 2026

22 frost advisories in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Frost Advisories
22
Busiest month
May9 frost advisories
Busiest day
May 18, 20263 frost advisories

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 23, 2:05 PM MDTFrost AdvisoryOTXNez Perce20 hr
Apr 24, 12:43 PM MDTFrost AdvisoryMSOClearwater, Idaho, Lemhi43 hr
Apr 25, 9:54 AM MDTFrost AdvisoryPIHBlaine, Cassia, Lincoln, Minidoka, Power24 hr
Apr 25, 2:59 PM MDTFrost AdvisoryOTXNez Perce18 hr
Apr 28, 9:25 AM MDTFrost AdvisoryPIHBlaine, Cassia, Minidoka, Power24 hr
May 1, 5:04 PM MDTFrost AdvisoryPIHBannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more16 hr
May 5, 12:06 AM MDTFrost AdvisoryPIHBlaine, Cassia, Lincoln, Minidoka, Power33 hr
May 17, 11:10 AM MDTFrost AdvisoryOTXBenewah, Bonner, Boundary, Kootenai, Latah, Shoshone21 hr
May 17, 12:18 PM MDTFrost AdvisoryPIHBannock, Bingham, Blaine, Bonneville, Cassia, Fremont and 4 more21 hr
May 18, 12:00 PM MDTFrost AdvisoryMSOClearwater, Idaho, Lemhi22 hr
May 18, 12:09 PM MDTFrost AdvisoryPIHBlaine, Cassia, Lincoln, Minidoka, Power21 hr
May 18, 1:44 PM MDTFrost AdvisoryBOIGooding, Jerome, Twin Falls18 hr
May 19, 12:19 PM MDTFrost AdvisoryPIHBannock, Bingham, Blaine, Bonneville, Cassia, Fremont and 5 more21 hr
May 21, 1:03 AM MDTFrost AdvisoryPIHBannock, Bingham, Bonneville, Butte, Fremont, Jefferson and 2 more32 hr
Jun 6, 12:54 AM MDTFrost AdvisoryOTXBonner, Boundary, Kootenai33 hr
Jun 7, 11:35 AM MDTFrost AdvisoryMSOClearwater, Idaho, Lemhi21 hr
Jun 7, 12:39 PM MDTFrost AdvisoryOTXBonner, Boundary, Kootenai20 hr
Jun 10, 10:05 AM MDTFrost AdvisoryMSOLemhi23 hr
Jun 10, 11:28 AM MDTFrost AdvisoryPIHBlaine, Cassia, Minidoka, Power22 hr
Sep 14, 1:06 AM MDTFrost AdvisoryPIHBannock, Bingham, Blaine, Bonneville, Butte, Fremont and 5 more32 hr
Sep 26, 1:38 PM MDTFrost AdvisoryOTXBenewah, Kootenai, Latah20 hr
Sep 27, 11:29 AM MDTFrost AdvisoryOTXKootenai23 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.