Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 20, 08:00 PM MST

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

89°F

32°C

Humidity	13%
Wind Speed	NNW 2 MPH
Barometer	30.24 in (1024.04 mb)
Dewpoint	32°F (0°C)
Visibility	NA
Heat Index	85°F (29°C)
Last update	19 Aug 04:33 PM MST

More Information:

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

Extended Forecast for

9 Miles ESE Phantom Ranch AZ

Extreme Heat Warning August 19, 04:49pm until August 20, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 19, 04:49pm until August 20, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
This Afternoon
High: 103 °F
Hot
Tonight
Low: 73 °F
Mostly Clear
Thursday
High: 100 °F
Slight Chance
T-storms
Thursday Night
Low: 73 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 97 °F
Chance
T-storms
Friday Night
Low: 70 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 96 °F
Slight Chance
T-storms
Saturday Night
Low: 70 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 103. West wind around 13 mph.

Tonight

Mostly clear, with a low around 73. Southwest wind 7 to 11 mph, with gusts as high as 16 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 100. West wind 5 to 9 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 73. West wind 5 to 9 mph becoming east in the evening.

Friday

A 50 percent chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 97. Light and variable wind becoming southwest 5 to 8 mph in the morning.

Friday Night

A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. West wind 5 to 8 mph becoming calm in the evening.

Saturday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 96. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Saturday Night

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Southwest wind 5 to 7 mph becoming calm after midnight.

Sunday

A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 95. Calm wind becoming southwest 5 to 8 mph in the morning.

Sunday Night

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 69. Southwest wind 3 to 7 mph.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Calm wind becoming south around 6 mph in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming south around 6 mph in the afternoon.