Severe Thunderstorm Warning for Northwestern Iowa and Southwestern Minnesota
This alert is no longer in effect.
NOAA issued it on May 27, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Sioux Falls SD issued a Severe Thunderstorm Warning until 7:45 PM CDT May 17 for Dickinson and Osceola counties in Iowa and several southwestern Minnesota counties.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northwestern Iowa and Southwestern Minnesota
- Issued
- May 27, 2026
- Issuing authority
- NWS Sioux Falls SD
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Northwestern Iowa and Southwestern Minnesota.
Alert Details
Severe Thunderstorm Warning issued by NWS Sioux Falls SD. Effective from May 17 at 6:30 PM CDT until May 17 at 7:45 PM CDT.
Affected Areas
Osceola County in northwestern Iowa, Dickinson County in northwestern Iowa, Jackson County in southwestern Minnesota, Eastern Nobles County in southwestern Minnesota, Southeastern Murray County in southwestern Minnesota, Southern Cottonwood County in southwestern Minnesota.
What You Should Do
Remain alert for a possible tornado. Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 6:29 PM CDT, severe thunderstorms were located along a line extending from Fulda to near Round Lake to near Sibley, moving east at 35 mph. Hazards include 70 mph wind gusts and half dollar size hail (1.25 inches). Hail damage to vehicles is expected. Considerable tree damage and wind damage to mobile homes, roofs, and outbuildings is likely.
Timeline
The warning is in effect until 7:45 PM CDT on May 17, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,171 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 27, 2026.
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