Alert archive / Excessive Heat Watches

Excessive Heat Watches in the United States, 2023

188 excessive heat watches in 2023. Each alert counts once, however many counties it covered. The archive of excessive heat watches reaches back to 2005.

Excessive Heat Watches by state

Each state shaded by its count. Tap a state for its own archive.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Excessive Heat Watches
188
Busiest month
August93 excessive heat watches
Busiest day
June 27, 202314 excessive heat watches

Over time

By month

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 27, 202314excessive heat watches
  2. June 28, 20238excessive heat watches
  3. August 11, 20238excessive heat watches
  4. August 12, 20238excessive heat watches
  5. July 10, 20236excessive heat watches
  6. August 8, 20236excessive heat watches
  7. August 10, 20236excessive heat watches
  8. August 17, 20236excessive heat watches
  9. August 18, 20236excessive heat watches
  10. August 21, 20236excessive heat watches
  11. August 22, 20236excessive heat watches
  12. June 15, 20235excessive heat watches
  13. July 11, 20235excessive heat watches
  14. August 13, 20235excessive heat watches
  15. August 19, 20235excessive heat watches

Nearby

Alerts in force nowThe tornado archiveThe radar archive20222024

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.