Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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.

83°F

28°C

Humidity	25%
Wind Speed	NNW 0 MPH
Barometer	30.29 in (1025.74 mb)
Dewpoint	44°F (7°C)
Visibility	NA
Heat Index	81°F (27°C)
Last update	20 Aug 02:23 PM MST

More Information:

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

Extended Forecast for

Grand Canyon AZ

Extreme Heat Warning August 20, 05:20pm until August 20, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 20, 05:20pm until August 20, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
This Afternoon
High: 80 °F
Slight Chance
T-storms
Tonight
Low: 60 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 87 °F
Showers
Likely then
T-storms
Likely
Friday Night
Low: 59 °F
Slight Chance
T-storms then
Mostly Cloudy
Saturday
High: 87 °F
Slight Chance
T-storms
Saturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 86 °F
Chance
T-storms
Sunday Night
Low: 58 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 80. Southwest wind around 8 mph, with gusts as high as 17 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.

Friday

Showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 60%.

Friday Night

A 10 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 59. Light and variable wind.

Saturday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

Saturday Night

Partly cloudy, with a low around 59. South wind around 6 mph becoming calm after midnight.

Sunday

A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 58. South wind 5 to 7 mph becoming calm after midnight.

Monday

A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

Monday Night

Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

Tuesday Night

Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

Wednesday Night

Mostly clear, with a low around 60. Southwest wind 5 to 7 mph becoming light and variable after midnight.

Thursday

A 10 percent chance of showers and thunderstorms. Sunny, with a high near 89.