Henderson, Nevada Weather:
Active Weather Warnings
Wednesday, March 18, 2026
Hot Day
Day 99°
Night 63°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Windy Weather

Day

68°

Night

45°

Wind

17 mph

UV Index

6

Precipitation

25 %

Weather Alerts and Warnings for

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued March 16 at 7:53PM PDT until March 22 at 8:00PM PDT by NWS Las Vegas NV
Mar 18, 11:00 AM Mar 22, 8:00 PM
WHAT: Dangerously hot conditions with temperatures peaking
between 95 and 100 degrees expected for the Las Vegas Valley,
Pahrump Valley, and Kingman; temperatures peaking between 98 and
103 for lower elevations of southern Mohave County.

WHERE: In Arizona, Northwest Deserts. In California, Cadiz Basin,
Death Valley National Park, Eastern Mojave Desert, Morongo Basin,
and Western Mojave Desert. In Nevada, Las Vegas Valley, Northeast
Clark County, Southern Clark County, and Western Clark and
Southern Nye County.

WHEN: From 11 AM PDT /11 AM MST/ Wednesday to 8 PM PDT /8 PM MST/
Sunday.

IMPACTS: Heat-related illnesses increase significantly during
extreme heat events.

ADDITIONAL DETAILS: Extreme early-season heat coupled with high
tourism rates will make this heat very dangerous, particularly for
those not acclimated to the heat and/or traveling from cooler
climates. Numerous daily and monthly heat records are in jeopardy
through at least Sunday.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Updated: Mar 16, 11:51 PM Source: NWS Alert