Tucson Records Rainiest Halloween on Record
Tucson Records Rainiest Halloween on Record
US · Published Nov 2, 2026
• Tucson, Arizona, experienced its rainiest Halloween on record on October 31, 2026, surpassing a previous benchmark set in
• The heavy rainfall is attributed to an influx of abnormally high moisture into Southern Arizona, which has also prompted a Flood Watch for the region. The Flood Watch is in effect from 11:00 PM on Saturday, October 31, through 5:00 AM on Monday, November

Impact & Risks

The record-breaking rainfall and ongoing Flood Watch pose risks of localized flooding in Tucson and surrounding areas in Southern Arizona. Residents are advised to avoid flooded roads and monitor weather updates closely. The high moisture levels and potential for severe storms with strong wind gusts could disrupt travel and outdoor activities. The cooler-than-average temperatures following the storm may also impact seasonal patterns in the region.

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