California, 2025

Excessive Heat in California, June 9 to 10, 2025

June 9 to 10, 2025 · NWS VEF · 2 events in 2 counties and zones

High pressure building overhead pushed temperatures to dangerously hot levels in the Mojave Desert.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS VEF wrote it up.

High pressure building overhead pushed temperatures to dangerously hot levels in the Mojave Desert.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 excessive heat. Local standard time, as filed.

Excessive Heat, Death Valley National Park

When
June 9, 9:00 AM PST to June 10, 9:00 PM PST
Where
Death Valley National Park forecast zone
Reported by
Official NWS Observations
Coordinates
36.511, -117.411 (the zone’s center; the record gives no point)

Extreme Heat Warning criteria were reached on two straight days.

Excessive Heat, Western Mojave Desert

When
June 9, 9:00 AM PST to June 10, 9:00 PM PST
Where
Western Mojave Desert forecast zone
Reported by
Official NWS Observations
Coordinates
34.841, -116.178 (the zone’s center; the record gives no point)

Extreme Heat Warning criteria were reached on two straight days.

What these are

Excessive Heat
Heat at or above the local excessive heat warning criteria, or heat that caused deaths.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2025Every state in 2025This day in weather historyWarnings in California, June 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1274046, 1274047.