Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 2, 08:00 PM MST

Current conditions at

BRIGHT ANGEL (QBAA3)

Lat: 36.20472°NLon: 112.06222°WElev: 8134.0ft.

77°F

25°C

Humidity	33%
Wind Speed	SSW 1 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	31 Jul 08:07 AM MST

More Information:

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

Extended Forecast for

15 Miles NW Phantom Ranch AZ

Extreme Heat Warning July 31, 08:24am until August 2, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 31, 08:24am until August 2, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 103 °F
Hot
Tonight
Low: 73 °F
Clear
Saturday
High: 105 °F
Hot
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 105 °F
Hot
Sunday Night
Low: 74 °F
Clear
Monday
High: 104 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear

Detailed Forecast

Today

Sunny and hot, with a high near 103. Calm wind becoming west 5 to 7 mph in the morning.

Tonight

Clear, with a low around 73. Light and variable wind becoming northeast 5 to 7 mph in the evening.

Saturday

Sunny and hot, with a high near 105. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

Saturday Night

Mostly clear, with a low around 74. Calm wind becoming northeast around 6 mph after midnight.

Sunday

Sunny and hot, with a high near 105. Light and variable wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

Sunday Night

Clear, with a low around 74. West wind 3 to 8 mph. Winds could gust as high as 15 mph.

Monday

Sunny and hot, with a high near 104. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

Monday Night

Mostly clear, with a low around 74. West wind 5 to 9 mph becoming light and variable after midnight.

Tuesday

Sunny and hot, with a high near 98. Light and variable wind becoming west 6 to 11 mph in the morning.

Tuesday Night

Mostly clear, with a low around 74. West wind 5 to 9 mph becoming calm after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97. Light south wind becoming west 5 to 10 mph in the morning.

Wednesday Night

A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. West wind 5 to 7 mph becoming calm after midnight.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming west 5 to 7 mph in the morning.

Additional Forecasts and Information

Zone Area Forecast for Grand Canyon Country, AZ

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Observations

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ABOUT THIS FORECAST

Point Forecast:

15 Miles NW Phantom Ranch AZ
36.27°N 112.26°W (Elev. 4738 ft)

Last Update:

3:52 am MST Jul 31, 2026

Forecast Valid:

8am MST Jul 31, 2026-6pm MST Aug 6, 2026

Forecast Discussion

Additional Resources

Radar & Satellite Image

Hourly Weather Forecast

National Digital Forecast Database

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation

Flagstaff, AZ