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⚠severe weatheractive

Severe Thunderstorm Watch issued October 21 at 1:36PM MST until October 21 at 9:00PM MST by NWS Phoenix AZ

4.0
33.8036°N, 111.2383°W·US-AZ
Started 4h ago
NWS storm alerts data as of
Event Details
Typesevere weather
Severity4.0
Statusactive
Location33.8036°N, 111.2383°W (AZ)
Started2026-10-21T20:36:00+00:00
Last Updated2026-10-22T00:55:29.153+00:00
Sourcenws_storm_alerts
Source URLapi.weather.gov
Confidence1.00
Impact Zones — modeled
Watch Area
Conditions are favourable for severe thunderstorms. Be ready to act if a warning is issued — this is not a warning that severe weather is occurring.
NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2023 MARICOPA County, ARIZONA Thunderstorm Wind66% match

Thunderstorm Wind in ARIZONA, 59km from current event, $7M in recorded damage

MARICOPA County, ARIZONADamage: $7.2M
2010 MARICOPA County, ARIZONA Hail66% match

Hail in ARIZONA, 64km from current event, $110M in recorded damage

MARICOPA County, ARIZONADamage: $110.0M
2010 MARICOPA County, ARIZONA Hail65% match

Hail in ARIZONA, 90km from current event, $1.8B in recorded damage

MARICOPA County, ARIZONADamage: $1.8B

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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Zone estimates are based on scientific models and may differ from actual local conditions.