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Fire Weather Watch Issued for Portions of Arizona and Nevada by NWS Las Vegas

June 18, 2026 · wweather1 editorial · 2 min read

The National Weather Service (NWS) in Las Vegas has issued a Fire Weather Watch for portions of Arizona and Nevada. This watch is in effect from late Friday morning through Friday evening.

The National Weather Service (NWS) in Las Vegas has issued a Fire Weather Watch for portions of Arizona and Nevada. The watch was issued on June 17 at 11:55 PM PDT and remains in effect until June 19 at 11:00 PM PDT, specifically from late Friday morning through Friday evening.

The affected areas include Lake Mead National Recreation Area (NRA)/Colorado River on the Arizona side, designated as fire weather zone 101. In Nevada, the watch covers Lake Mead NRA/Colorado River on the Nevada side, Esmeralda and Nye County Deserts, Lincoln County, Sheep Range, Spring Mountains, and Clark and SW Lincoln County Deserts.

Forecasters anticipate south winds between 20 to 25 mph, with gusts reaching up to 35 mph. Humidity levels are expected to range from 5 to 15 percent. These conditions indicate that any fires that develop will likely spread rapidly.

A Fire Weather Watch signifies that critical fire weather conditions are forecast to occur. Residents in the affected regions should listen for later forecasts and potential Red Flag Warnings from the National Weather Service.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather forecasts for updates.
• Prepare for possible Red Flag Warnings.
• Avoid all outdoor burning.
• Exercise caution to prevent fire ignition.
📊 The numbers, from wweather1 data
Las Vegas: now +40°, Clear.
That is 6° above the June climate norm.
The record for this date is +45° (2021).
Three-day forecast: 18 June: +42°/+30° · 19 June: +40°/+25° · 20 June: +38°/+26°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

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📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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