Alert archive / South Dakota / Heat Advisories in 2026

Heat Advisory 2, NWS Sioux Falls, SD

June 27, 202615 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this heat advisory at Jun 27, 2026, 12:59 AM CDT for 15 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota. It took effect at Jun 28, 2026, 1:00 PM CDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued: Jun 27, 2026, 12:59 AM CDT (05:59 UTC)
In effect from: Jun 28, 2026, 1:00 PM CDT
Expired: Jun 29, 2026, 8:54 PM CDT
In force: 32 hr
Issued by: NWS Sioux Falls, SD

All 34 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this heat advisory went out at Jun 27, 12:56 AM CDT, 3 minutes earlier.

Area forecast discussion, Jun 27, 12:56 AM CDT, 3 minutes before

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Nearby

Heat Advisories in South Dakota, 2026 Heat Advisories in Iowa, 2026 Heat Advisories in Minnesota, 2026 Every heat advisory in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.