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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 2:05 PM MDT | Frost Advisory | OTX | Nez Perce | 20 hr |
| Apr 24, 12:43 PM MDT | Frost Advisory | MSO | Clearwater, Idaho, Lemhi | 43 hr |
| Apr 25, 9:54 AM MDT | Frost Advisory | PIH | Blaine, Cassia, Lincoln, Minidoka, Power | 24 hr |
| Apr 25, 2:59 PM MDT | Frost Advisory | OTX | Nez Perce | 18 hr |
| Apr 28, 9:25 AM MDT | Frost Advisory | PIH | Blaine, Cassia, Minidoka, Power | 24 hr |
| May 1, 5:04 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more | 16 hr |
| May 5, 12:06 AM MDT | Frost Advisory | PIH | Blaine, Cassia, Lincoln, Minidoka, Power | 33 hr |
| May 17, 11:10 AM MDT | Frost Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 21 hr |
| May 17, 12:18 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Cassia, Fremont and 4 more | 21 hr |
| May 18, 12:00 PM MDT | Frost Advisory | MSO | Clearwater, Idaho, Lemhi | 22 hr |
| May 18, 12:09 PM MDT | Frost Advisory | PIH | Blaine, Cassia, Lincoln, Minidoka, Power | 21 hr |
| May 18, 1:44 PM MDT | Frost Advisory | BOI | Gooding, Jerome, Twin Falls | 18 hr |
| May 19, 12:19 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Cassia, Fremont and 5 more | 21 hr |
| May 21, 1:03 AM MDT | Frost Advisory | PIH | Bannock, Bingham, Bonneville, Butte, Fremont, Jefferson and 2 more | 32 hr |
| Jun 6, 12:54 AM MDT | Frost Advisory | OTX | Bonner, Boundary, Kootenai | 33 hr |
| Jun 7, 11:35 AM MDT | Frost Advisory | MSO | Clearwater, Idaho, Lemhi | 21 hr |
| Jun 7, 12:39 PM MDT | Frost Advisory | OTX | Bonner, Boundary, Kootenai | 20 hr |
| Jun 10, 10:05 AM MDT | Frost Advisory | MSO | Lemhi | 23 hr |
| Jun 10, 11:28 AM MDT | Frost Advisory | PIH | Blaine, Cassia, Minidoka, Power | 22 hr |
| Sep 14, 1:06 AM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Fremont and 5 more | 32 hr |
| Sep 26, 1:38 PM MDT | Frost Advisory | OTX | Benewah, Kootenai, Latah | 20 hr |
| Sep 27, 11:29 AM MDT | Frost Advisory | OTX | Kootenai | 23 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Power County10
- Blaine County9
- Minidoka County9
- Cassia County8
- Lincoln County6
- Bannock County5
- Bingham County5
- Bonneville County5
- Fremont County5
- Jefferson County5
- Madison County5
- Kootenai County5
- Lemhi County4
- Clearwater County3
- Idaho County3
- Butte County3
- Bonner County3
- Boundary County3
- Nez Perce County2
- Benewah County2
- Latah County2
- Shoshone County1
- Gooding County1
- Jerome County1
- Twin Falls County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.