Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 14, 08:00 PM MST

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

72°F

22°C

Humidity	14%
Wind Speed	WNW 0 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	12 Aug 09:03 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 12, 09:15pm until August 14, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 12, 09:15pm until August 14, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Tonight
Low: 54 °F
Mostly Clear
Wednesday
High: 91 °F
Chance
T-storms
Wednesday Night
Low: 59 °F
Chance
Showers then
Partly Cloudy
Thursday
High: 88 °F
Showers
Likely
Thursday Night
Low: 57 °F
Showers
Likely
Friday
High: 82 °F
T-storms
Likely
Friday Night
Low: 55 °F
Chance
T-storms then
Slight Chance
T-storms
Saturday
High: 82 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 54. Southwest wind 6 to 9 mph.

Wednesday

A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.

Wednesday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 59. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

Thursday

Showers likely and possibly a thunderstorm after 11am. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 88. Southwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 57. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely, mainly after 11am. Partly sunny, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 55. Southwest wind around 8 mph.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 82. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.

Saturday Night

A 10 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 54. Southwest wind 7 to 9 mph, with gusts as high as 15 mph.

Sunday

A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 84. Southwest wind 6 to 9 mph, with gusts as high as 15 mph.

Sunday Night

A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 54. Southwest wind 6 to 8 mph.

Monday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 86. Southwest wind 5 to 7 mph.

Monday Night

A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 56. Southwest wind around 7 mph.

Tuesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87. West wind 5 to 7 mph.