Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 30, 02:00 PM MST until September 1, 12:00 AM MST

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

77°F

25°C

Humidity	41%
Wind Speed	SW 5 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	51°F (11°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	30 Aug 01:33 PM MST

More Information:

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

Extended Forecast for

Grand Canyon AZ

Flood Watch August 30, 02:00pm until September 1, 12:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 73 °F
Chance
T-storms
Tonight
Low: 54 °F
Chance
T-storms then
Chance
Showers
Monday
High: 67 °F
T-storms
Likely
Monday Night
Low: 52 °F
Chance
T-storms and
Patchy Fog
Tuesday
High: 71 °F
Slight Chance
T-storms
Tuesday Night
Low: 52 °F
Mostly Clear
Wednesday
High: 72 °F
Slight Chance
T-storms
Wednesday Night
Low: 51 °F
Mostly Clear
Thursday
High: 76 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Southwest wind 15 to 17 mph, with gusts as high as 30 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 54. Southwest wind 6 to 9 mph becoming southeast after midnight. Winds could gust as high as 17 mph.

Monday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 67. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

Monday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52. East wind 3 to 7 mph. Chance of precipitation is 50%.

Tuesday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 71. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 28 mph.

Tuesday Night

Mostly clear, with a low around 52. South wind 6 to 10 mph, with gusts as high as 21 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 72. Southwest wind 9 to 18 mph, with gusts as high as 37 mph.

Wednesday Night

Mostly clear, with a low around 51. Southwest wind 8 to 11 mph, with gusts as high as 17 mph.

Thursday

Sunny, with a high near 76. Southwest wind 7 to 16 mph, with gusts as high as 23 mph.

Thursday Night

Mostly clear, with a low around 53. South wind 8 to 11 mph, with gusts as high as 17 mph.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. South wind 6 to 14 mph, with gusts as high as 20 mph.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. South wind 5 to 8 mph.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind 3 to 7 mph.