Severe Thunderstorm Watch and Hazardous Weather Risk for Northwest Iowa and Surrounding Areas 8/27

Photo byNational Weather Service

Thunderstorms and Fog Expected; Isolated Severe Storms Possible Later in the Week

SIOUX FALLS, SD — Issued by the National Weather Service at 4:04 AM CDT on August 27, 2024.

Severe Thunderstorm Watch in Effect Until 6 AM CDT

The National Weather Service has issued a Severe Thunderstorm Watch for parts of northwest Iowa and southwest Minnesota, effective until 6 AM CDT on Tuesday, August 27, 2024. Counties under the watch include Cherokee, Plymouth, Lyon, and Sioux in Iowa, as well as Cottonwood, Nobles, Rock, and Murray in Minnesota. Areas affected by these storms may experience damaging winds and hail. Residents should remain vigilant and monitor local weather conditions.

Cities affected by this watch include Le Mars, Rock Rapids, Sioux Center, Spirit Lake, and Marshall.

Hazardous Weather Outlook for Sioux Falls and Surrounding Areas

Following today's storms, the region may experience areas of fog continuing into Wednesday morning, with visibility potentially dropping to less than 1 mile in some locations. Those driving overnight and early in the morning should exercise caution.

Storm Threat Extends into Wednesday and Thursday

The potential for scattered thunderstorms will persist through the week, with additional storms expected to impact central and northern South Dakota on Wednesday evening. Although the risk of severe weather is low, isolated strong storms may reach areas as far south as Chamberlain and Huron.

By Thursday afternoon, more thunderstorms are expected to move eastward, with a small chance for isolated severe storms capable of producing strong winds and hail.

Spotter Information

At this time, spotter activation is not anticipated, but residents should stay informed of potential weather changes and be prepared for storms throughout the week.

Stay Updated

Weather Watches, Warnings & Advisories are frequently updated by NWS. Please look for updates to this report from the National Weather Service, or your local news channels and NOAA All Hazards. Please follow Thumbwind Publications for more local weather and news updates.