Mesoscale Discussion 2149

Issued

Aug 27, 2026, 12:43 PM MDT (18:43 UTC)

Expired

Aug 27, 2026, 2:45 PM MDT

In force

2 hr

Issued by

the Storm Prediction Center

Concerning

Severe potential...watch likely

Chance of a watch

80%

Counties Arthur County, NE, Cherry County, NE, Dawes County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE, Sheridan County, NE, Bennett County, SD, Custer County, SD, Fall River County, SD, Oglala Lakota County, SD, Pennington County, SD

The Rapid City radar (KUDX), 153 km from the middle of the area, began a volume at 18:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

• Severe Thunderstorm Watch 633Aug 27, 2:10 PM MDT

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Mesoscale Discussions in Nebraska, 2026Mesoscale Discussions in South Dakota, 2026Every mesoscale discussion in 2026

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