Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Flood Watch until September 1, 12:00 AM MST

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

68°F

20°C

Humidity	47%
Wind Speed	E 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	47°F (8°C)
Visibility	NA
Last update	31 Aug 08:33 AM MST

More Information:

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

Extended Forecast for

Grand Canyon AZ

Flood Watch August 31, 09:00am until September 1, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 31, 09:00am until September 1, 12:00am
NOW until 12:00am Tue
Flood Watch
Today
High: 63 °F
T-storms
Tonight
Low: 50 °F
Showers
Likely and
Patchy Fog
then Patchy
Fog
Tuesday
High: 71 °F
Chance
T-storms
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 72 °F
Slight Chance
T-storms
Wednesday Night
Low: 51 °F
Mostly Clear
Thursday
High: 74 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Clear

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Steady temperature around 63. East wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 90%.

Tonight

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 60%.

Tuesday

A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 71. Southeast wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 50. South wind 10 to 13 mph, with gusts as high as 20 mph.

Wednesday

A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 72. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

Wednesday Night

Mostly clear, with a low around 51. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

Thursday

Sunny, with a high near 74. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.

Thursday Night

Mostly clear, with a low around 53. South wind 9 to 13 mph, with gusts as high as 22 mph.

Friday

A 30 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 74. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind 3 to 6 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light and variable wind becoming east around 5 mph after midnight.

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%.