Alert archive / Alaska / Heat Advisories / 2026

Heat Advisories in Alaska, August 2026

8 heat advisories in August 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 heat advisories reaches back to 2005.

Heat Advisories by county

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

Heat Advisories: 8
Busiest day: August 12, 20262 heat advisories

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

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

Issued	Product	Office	Counties	Lasted
Aug 5, 9:59 AM AKDT	Heat Advisory	AFG	North Slope	36 hr
Aug 9, 11:56 AM AKDT	Heat Advisory	AFC	Matanuska-Susitna	28 hr
Aug 11, 2:04 PM AKDT	Heat Advisory	AJK	Haines, Hoonah-Angoon Census Area, Juneau City and, Ketchikan Gateway, Prince of Wales-Hyder Census Area, Skagway Municipality	3 days
Aug 12, 2:21 PM AKDT	Heat Advisory	AFG	Northwest Arctic	8 hr
Aug 12, 2:28 PM AKDT	Heat Advisory	AFG	North Slope	31 hr
Aug 13, 1:28 PM AKDT	Heat Advisory	AFG	Nome Census Area, Northwest Arctic	55 hr
Aug 14, 2:04 PM AKDT	Heat Advisory	AJK	Haines, Hoonah-Angoon Census Area, Prince of Wales-Hyder Census Area	29 hr
Aug 16, 3:17 AM AKDT	Heat Advisory	AFG	North Slope	19 hr

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.