Heat — Clay, Iowa

2024-08-05 · Clay, Iowa

Event narrative

Afternoon heat index values peaked at 100 degrees at the Automated Surface Observing System site near Spencer and the Iowa Road Weather Information System site near Spencer.

Wider weather episode

Areas ahead of a weak frontal boundary exhibited pooling of moisture with dew point readings into the upper 70s to lower 80s. As temperatures reached the lower to mid 90s, dangerous heat conditions developed during the afternoon hours with heat index values from 100 to 111 degrees.

Source: NOAA Storm Events Database, event_id 1214768. Narrative written by the NWS forecast office that issued the report.