First published Oct 20, 2026, 6:00:16 PM UTC · Last updated Oct 20, 2026, 6:00:16 PM UTC

Floods

Flood Watch — NWS Salt Lake City UT

Original source title

Flood Watch issued October 20 at 11:29AM MDT until October 23 at 12:00AM MDT by NWS Salt Lake City UT

Reported by U.S. National Weather Service Alerts NWS

A flood watch covers Castle Country and San Rafael Swell in Utah, where flash flooding is possible from Wednesday afternoon through Thursday evening. The notice advises monitoring forecasts and being prepared to act if flash-flood warnings are issued.

At a glance

Affected location: Castle Country and San Rafael Swell, Utah

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Why it matters

The notice warns of possible flash flooding and says backcountry roads may become impassable.

Location

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Generated scores

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

Confidence: 8/10How 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: 4/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Flood Watch issued October 20 at 11:29AM MDT until October 23 at 12:00AM MDT by NWS Salt Lake City UT

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Freeze Warning issued October 15 at 11:09AM MDT until October 16 at 9:00AM MDT by NWS Salt Lake City UTOct 15, 2026, 5:09 PM UTC
A freeze warning covered Eastern Juab/Millard Counties, Sanpete Valley, and Sevier Valley. The source says the threat of widespread freeze conditions had ended and temperatures would gradually warm.
Nearby · within 200 km
Freeze Warning issued October 14 at 6:38AM MDT until October 14 at 9:00AM MDT by NWS Salt Lake City UTOct 14, 2026, 12:38 PM UTC
A freeze warning covers Southwest Utah until 9 AM MDT, with temperatures potentially reaching 30°F. The alert advises protecting tender plants and exposed pipes.
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Freeze Warning issued October 13 at 10:52AM MDT until October 14 at 9:00AM MDT by NWS Salt Lake City UTOct 13, 2026, 4:52 PM UTC
A freeze warning covered several areas of Utah from 9 PM October 13 to 9 AM MDT October 14, with temperatures as low as 32°F expected. The source advises protecting tender plants and outdoor plumbing.
Nearby · within 200 km
NWS Salt Lake City issues flood watch for northern Utah through October 12 at 6:00 p.m. MDTOct 12, 2026, 4:35 AM UTC
An alert from NWS Salt Lake City covers multiple Utah valleys, mountain areas, and counties through 6:00 p.m. MDT on October 12. The source describes possible flooding from excessive rainfall, not confirmed flooding.
Nearby · within 200 km
NWS Salt Lake City issues Flash Flood Warning for Emery County, UtahOct 11, 2026, 8:08 PM UTC
A National Weather Service warning reported ongoing or imminent life-threatening flash flooding in south central Emery County, Utah, through 5:15 PM MDT. Radar indicated thunderstorms producing heavy rain, with flooding identified as a threat to waterways, roads, and underpasses.
Nearby · within 200 km
High Wind Warning issued October 11 at 10:31AM MDT until October 11 at 9:00PM MDT by NWS Salt Lake City UTOct 11, 2026, 4:31 PM UTC
A High Wind Warning was issued for Tooele and Rush Valleys until 9:00 PM MDT on October 11, with south winds of 25–35 mph and gusts up to 65 mph expected. The alert advises caution while driving and securing loose objects.

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