McCook County Emergency Management

09/04/2026

Last county wide siren test of the season today at 10am.

08/17/2026

While some uncertainty remains, stronger thunderstorms are expected tonight mainly along the Missouri River Valley and potentially southwestern MN. The main hazards would be large hail up to 2 inches and damaging wind gusts up to 70 mph. Make sure to have multiple ways to receive warning information!

08/06/2026

Reminder: County-wide siren test on the first Friday of each month. That's tomorrow at 10am.

07/20/2026

One more really warm day, and then a cool front arrives Monday afternoon!

This front may trigger a few thunderstorms as it moves southeast, with the favored areas in far southeastern South Dakota and into Northwest Iowa and far southern Minnesota after 5pm.

The storm risk will stay fairly short lived, but be prepared if the skies begin to change.

07/20/2026

Hot and humid conditions are expected this afternoon. Heat index values will range from the low to upper 90s north of I-90 and 100 to 110 degrees south of I-90. Don't let the impacts of heat and humidity sneak up on you, take precautions to stay safe.

07/17/2026

07/03/2026

** THIS POST CONTAINS OUTDATED INFORMATION **

The threat for severe weather has trended farther south, but strong to severe storms remain possible this evening with the greatest threat mainly near and south of Highway 20. Make sure to keep an eye to the sky and be prepared to get inside if you have any outdoor activities planned this evening!

07/03/2026

Reminder County wide siren test today at 10am.