Excessive Heat in Turner, South Dakota

Excessive Heat August 8, 2025 · Turner, South Dakota

What the National Weather Service wrote

Dangerous heat index values peaked as high as 107 degrees 2 miles south of Centerville, 101 degrees 4 miles east of Irene, and 100 degrees 3 miles east-southeast of Parker.

The wider storm

High levels of moisture pooled along and ahead of an outflow boundary across eastern South Dakota and southwest Minnesota with dew point readings into the the upper 70s to lower 80s. With temperatures in the upper 80s to lower 90s, heat index values generally reached the 100 to 110 degree range during the mid afternoon to early evening.

Source: NOAA Storm Events Database, event 1290987. Narratives are written by the National Weather Service forecast office that issued the report.

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