First published Oct 17, 2026, 2:38:15 AM UTC · Last updated Oct 17, 2026, 2:40:16 AM UTC

Freeze Warning — NWS Sioux Falls SD

Original source title

Freeze Warning issued October 16 at 9:00PM CDT until October 17 at 9:00AM CDT by NWS Sioux Falls SD

Reported by U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS

A freeze warning covers portions of northwest and west central Iowa and southwest Minnesota, with temperatures as low as 29°F expected from midnight until 9 AM CDT. Frost and freezing conditions could harm crops and sensitive vegetation and possibly damage unprotected outdoor plumbing.

At a glance

Affected location: portions of northwest and west central Iowa and southwest Minnesota

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Why it matters

The warning urges people to protect tender plants before the expected freeze.

Update history

Oct 17, 2026, 2:00 AM UTC
A freeze warning covers portions of northwest and west central Iowa and southwest Minnesota, with temperatures as low as 29°F expected from midnight until 9 AM CDT. Frost and freezing conditions could harm crops and sensitive vegetation and possibly damage unprotected outdoor plumbing.
U.S. National Weather Service Alerts NWS

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

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