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⛅ Extreme Heat Warning issued March 21 at 1:39PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ

weatheractionableSource: NOAA Weather
80%Confidence
0Views
NOAA WeatherSource
2026-03-21Date

Summary

Extreme heat warning spanning Arizona and California signals broad regional stress on infrastructure and public health, impacting sectors like agriculture and tourism. Cross-state coordination may be needed for energy management and emergency services.

Actionable: Coordinate across state lines for grid stability and public health messaging to mitigate heat-related impacts.

AI Confidence: 80%

Data Points

severitySevere
eventExtreme Heat Warning
areaParker Valley; Joshua Tree NP East; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
urgencyExpected
certaintyLikely

Source

http://www.weather.gov

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