Extreme Heat Warning
* WHAT...Dangerously hot conditions with highs 110 to 120 degrees
across the Mojave Desert. Highs 100 to 110 degrees across most of
the southern Great Basin and Arizona Strip. Little to no overnight
relief is expected, particularly in the Mojave Desert where lows of
80 to 95 degrees are forecast. This will result in Major-to-Extreme
Heat Risk.
* WHERE...Portions of northwest Arizona, southeast California, and
south central and southern Nevada.
* WHEN...Until 8 PM PDT /8 PM MST/ Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
From: Jul 31, 2026 21:56
Until: Aug 02, 2026 01:00
Extreme Heat Warning
* WHAT...Dangerously hot conditions expected below 4000 feet, with
daytime temperatures ranging from 103 to 108 degrees at Havasupai
Gardens, and 111 to 115 degrees at Phantom Ranch.
* WHERE...Lower elevations of the Grand Canyon.
* WHEN...Until 8 PM MST Tuesday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
From: Aug 01, 2026 05:34
Until: Aug 01, 2026 19:00
Extreme Heat Warning
* WHAT...Dangerously hot conditions, with temperatures around 105 to
110 degrees expected.
* WHERE...Marble Canyon, Glen Canyon, and Oak Creek Canyon; including
Page and Sedona.
* WHEN...Until 8 PM MST /9 PM MDT/ Monday.
* IMPACTS...Most individuals will be at risk for heat-related
illnesses without effective cooling or adequate hydration,
especially with prolonged outdoor exposure.
From: Aug 01, 2026 05:34
Until: Aug 01, 2026 19:00
High Wind Watch
* WHAT...Northwest winds 25 to 35 mph with gusts between 50 and 60
mph possible.
* WHERE...Portions of northwest Arizona, southeast California, and
south central and southern Nevada.
* WHEN...From Sunday morning through late Sunday night.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high-profile vehicles.
From: May 15, 2026 06:27
Until: May 15, 2026 22:00
Extreme Heat Warning
* WHAT...Dangerously hot temperatures climbing to near-30 degrees
above seasonal normals.
* WHERE...Portions of northwest Arizona, southeast California, and
southern Nevada.
* WHEN...Until 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.
From: Mar 20, 2026 22:36
Until: Mar 23, 2026 03:00
Wind Advisory
* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...In Arizona, Northwest Deserts and Northwest Plateau. In
California, Cadiz Basin and Eastern Mojave Desert. In Nevada, Las
Vegas Valley, Northeast Clark County, Sheep Range, Southern Clark
County, and Spring Mountains-Red Rock Canyon.
* WHEN...From 8 AM PST / 9 AM MST to 10 PM PST / 11 PM MST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Instances of blowing dust near dry lakebeds may result in reduced
visibility.
* ADDITIONAL DETAILS...Dangerous crosswinds will exist along
Interstate 15, Interstate 40, AZ State Route 66, and CA State
Route 62.
From: Mar 04, 2026 09:06
Until: Mar 05, 2026 00:00
Wind Advisory
* WHAT...North winds 25 to 35 mph with gusts up to 55 mph expected.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...From 8 AM PST / 9 AM MST to 10 PM PST / 11 PM MST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Instances of blowing dust near dry lakebeds may result in reduced
visibility.
* ADDITIONAL DETAILS...Dangerous boating conditions expected on Lake
Mead, Lake Mohave, and Lake Havasu, with wave heights between 2
and 4 feet.
From: Mar 04, 2026 09:06
Until: Mar 05, 2026 00:00
Lake Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 35 mph expected.
* WHERE...Lake Mohave.
* WHEN...From 7 AM PST / 8 AM MST this morning to 3 PM PST / 4 PM
MST this afternoon.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft.
* ADDITIONAL DETAILS...Strongest winds will occur in southern Lake
Mohave near Katherine Landing, with wave heights up to 3 feet
possible.
From: Mar 03, 2026 10:08
Until: Mar 03, 2026 19:00
Wind Advisory
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph
expected. Some areas in western and northwest parts of the Las
Vegas Valley could see wind gusts to around 55 mph.
* WHERE...In Arizona, Northwest Deserts and Northwest Plateau. In
California, Cadiz Basin and Eastern Mojave Desert. In Nevada, Las
Vegas Valley, Northeast Clark County, and Southern Clark County.
* WHEN...Until 4 AM PST /5 AM MST/ Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Feb 20, 2026 00:00
Until: Feb 20, 2026 12:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations up to two inches.
Winds gusting as high as 50 mph.
* WHERE...Northwest Deserts.
* WHEN...From 11 AM this morning to 11 PM MST this evening.
* IMPACTS...Roads will likely become slick and hazardous. Travel
could be very difficult along Interstate 40 through Fort Rock and
State Route 66 through Peach Springs.
From: Feb 19, 2026 18:00
Until: Feb 20, 2026 06:00
Wind Advisory
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...Until 4 PM PST /5 PM MST/ this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 09, 2026 09:35
Until: Jan 10, 2026 00:00
Wind Advisory
* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...In Arizona, Northwest Deserts and Northwest Plateau. In
Nevada, Las Vegas Valley, Northeast Clark County, Sheep Range,
Southern Clark County, and Spring Mountains-Red Rock Canyon.
* WHEN...From 7 AM PST /8 AM MST/ to 10 PM PST /11 PM MST/ Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 07, 2026 19:30
Until: Jan 08, 2026 15:00
Wind Advisory
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...From 7 AM PST /8 AM MST/ Thursday to 4 PM PST /5 PM MST/
Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 07, 2026 19:30
Until: Jan 08, 2026 15:00
Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 45 mph expected.
The strongest winds will occur from Katherine Landing to Needles.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...Until 9 PM PST /10 PM MST/ this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Very
rough conditions are expected on Lake Mohave. Strong crosswinds
will affect Highway 163, Highway 68, and Interstate 40.
From: Dec 29, 2025 09:37
Until: Dec 30, 2025 05:00
Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 45 mph expected.
The strongest winds will occur from Katherine Landing to Needles.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...Until 9 PM PST /10 PM MST/ Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Very
rough conditions are expected on Lake Mohave. Strong crosswinds
will affect Highway 163, Highway 68, and Interstate 40.
From: Dec 28, 2025 17:13
Until: Dec 29, 2025 12:00
Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 45 mph expected.
The strongest winds will occur from Katherine Landing to Needles.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...From 10 AM PST /11 AM MST/ this morning to 9 PM PST /10 PM
MST/ Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Very
rough conditions are expected on Lake Mohave. Strong crosswinds
will affect Highway 163, Highway 68, and Interstate 40.
From: Dec 28, 2025 09:15
Until: Dec 28, 2025 18:00
Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 45 mph expected.
The strongest winds will occur from Katherine Landing to Needles.
* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
Mohave, and San Bernardino County-Upper Colorado River Valley.
* WHEN...From 10 AM PST /11 AM MST/ Sunday to 9 PM PST /10 PM MST/
Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Very
rough conditions are expected on Lake Mohave. Strong crosswinds
will affect Highway 163, Highway 68, and Interstate 40.
From: Dec 27, 2025 21:42
Until: Dec 28, 2025 13:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Lake Mead National Recreation Area, and Northwest Deserts.
* WHEN...Until 10 PM PST /11 PM MST/ Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Use caution on Highway 93 and Interstate 40
and be prepared for gusty conditions.
From: Dec 24, 2025 21:05
Until: Dec 25, 2025 15:00
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest Arizona, including the following
areas, Lake Havasu and Fort Mohave, Lake Mead National Recreation
Area and Northwest Deserts, southeast California, including the
following areas, Cadiz Basin, Death Valley National Park, Eastern
Mojave Desert, Morongo Basin, Owens Valley, San Bernardino
County-Upper Colorado River Valley and Western Mojave Desert, and
southern Nevada, including the following areas, Lake Mead National
Recreation Area, Las Vegas Valley, Northeast Clark County,
Southern Clark County, Spring Mountains-Red Rock Canyon and
Western Clark and Southern Nye County.
* WHEN...Through late tonight.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Dec 24, 2025 21:01
Until: Dec 25, 2025 12:00
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest Arizona, including the following
areas, Lake Havasu and Fort Mohave, Lake Mead National Recreation
Area and Northwest Deserts, southeast California, including the
following areas, Cadiz Basin, Death Valley National Park, Eastern
Mojave Desert, Morongo Basin, Owens Valley, San Bernardino
County-Upper Colorado River Valley and Western Mojave Desert, and
southern Nevada, including the following areas, Lake Mead National
Recreation Area, Las Vegas Valley, Northeast Clark County,
Southern Clark County, Spring Mountains-Red Rock Canyon and
Western Clark and Southern Nye County.
* WHEN...From late tonight through late Wednesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Dec 23, 2025 08:13
Until: Dec 23, 2025 22:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Lake Mead National Recreation Area, and Northwest Deserts.
* WHEN...From 7 AM PST /8 AM MST/ Wednesday to 10 PM PST /11 PM MST/
Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Use caution on US-93 and Interstate 50 and be
prepared for gusty conditions.
From: Dec 23, 2025 06:45
Until: Dec 23, 2025 22:00
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northwest Arizona, including the following
areas, Lake Havasu and Fort Mohave, Lake Mead National Recreation
Area and Northwest Deserts, southeast California, including the
following areas, Cadiz Basin, Death Valley National Park, Eastern
Mojave Desert, Morongo Basin, Owens Valley, San Bernardino
County-Upper Colorado River Valley and Western Mojave Desert, and
southern Nevada, including the following areas, Lake Mead National
Recreation Area, Las Vegas Valley, Northeast Clark County,
Southern Clark County, Spring Mountains-Red Rock Canyon and
Western Clark and Southern Nye County.
* WHEN...From late Tuesday night through late Wednesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Dec 22, 2025 20:16
Until: Dec 23, 2025 10:00
Flood Watch
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of northwest Arizona, including the following
areas, Lake Havasu and Fort Mohave, Lake Mead National Recreation
Area and Northwest Deserts, southeast California, including the
following areas, Cadiz Basin, Death Valley National Park, Eastern
Mojave Desert, Morongo Basin, Owens Valley, San Bernardino
County-Upper Colorado River Valley and Western Mojave Desert, and
southern Nevada, including the following areas, Lake Mead National
Recreation Area, Las Vegas Valley, Northeast Clark County,
Southern Clark County, Spring Mountains-Red Rock Canyon and
Western Clark and Southern Nye County.
* WHEN...From late Tuesday night through late Wednesday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Dec 22, 2025 07:14
Until: Dec 22, 2025 22:00
