Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 4, 08:00 PM MST

Current conditions at

KL1SF-7 Grand Canyon (AR412)

Lat: 36.048°NLon: 112.1245°WElev: 6977.0ft.

86°F

30°C

Humidity	16%
Wind Speed	WNW 0 MPH
Barometer	30.25 in (1024.38 mb)
Dewpoint	35°F (2°C)
Visibility	NA
Heat Index	83°F (28°C)
Last update	02 Aug 08:53 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Phantom Ranch AZ

Extreme Heat Warning August 2, 09:10am until August 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 2, 09:10am until August 4, 08:00pm
NOW until 8:00pm Tue
Extreme Heat Warning
Today
High: 106 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Monday
High: 104 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 103 °F
Hot
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 103 °F
Hot
Wednesday Night
Low: 73 °F
Slight Chance
T-storms then
Mostly Clear

Detailed Forecast

Today

Sunny and hot, with a high near 106. West wind 5 to 15 mph.

Tonight

Mostly clear, with a low around 75. West wind 7 to 11 mph, with gusts as high as 18 mph.

Monday

Sunny and hot, with a high near 104. West wind 7 to 16 mph.

Monday Night

Mostly clear, with a low around 74. West wind 8 to 11 mph, with gusts as high as 18 mph.

Tuesday

Sunny and hot, with a high near 103. West wind 7 to 14 mph.

Tuesday Night

Mostly clear, with a low around 74. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.

Wednesday

Sunny and hot, with a high near 103. West wind 6 to 11 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 73. West wind 5 to 10 mph, with gusts as high as 15 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 11am. Sunny and hot, with a high near 101. West wind 5 to 9 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 72. West wind 5 to 9 mph becoming light after midnight.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102. West wind 3 to 8 mph.

Friday Night

Mostly clear, with a low around 72. West wind 5 to 7 mph.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102. Light west wind increasing to 5 to 9 mph in the afternoon.