| Event | Severe Thunderstorm Watch |
| Severity | Severe |
| Urgency | Future |
| Certainty | Possible |
| Area | Buena Vista, IA; Cherokee, IA; Clay, IA; Dickinson, IA; O’Brien, IA; Osceola, IA; Jackson, MN; Nobles, MN |
| Effective | 8/18/2026, 6:48:00 PM CDT |
| Expires | 8/19/2026, 12:00:00 AM CDT |
Severe Thunderstorm Watch issued August 18 at 6:48PM CDT until August 19 at 12:00AM CDT by NWS Sioux Falls SD
Details
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
597 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 6 COUNTIES
IN NORTHWEST IOWA
BUENA VISTA CHEROKEE CLAY
DICKINSON O’BRIEN OSCEOLA
IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES
IN SOUTHWEST MINNESOTA
JACKSON NOBLES
THIS INCLUDES THE CITIES OF ARNOLDS PARK, CHEROKEE, HARTLEY,
JACKSON, LAKEFIELD, MILFORD, SANBORN, SHELDON, SIBLEY, SPENCER,
SPIRIT LAKE, STORM LAKE, AND WORTHINGTON.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
More Stories
⚠️ Special Weather Statement – Door; Brown; Kewaunee – Tuesday, August 18, 2026
⚠️ Severe Thunderstorm Warning – Pawnee, KS; Stafford, KS – Tuesday, August 18, 2026
⚠️ Severe Thunderstorm Warning – Emmet, IA; Palo Alto, IA – Tuesday, August 18, 2026