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

Grand Canyon National Park Airport (KGCN)

Lat: 35.94582°NLon: 112.15538°WElev: 6598.0ft.

Clear

70°F

21°C

Humidity	46%
Wind Speed	E 12 MPH
Barometer	30.29 in (1025.74 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	31 Aug 09:20 AM MST

More Information:

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

Extended Forecast for

8 Miles SSE Grand Canyon Village AZ

Flood Watch August 31, 09:38am until September 1, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 31, 09:38am until September 1, 12:00am
NOW until 12:00am Tue
Flood Watch
Today
High: 66 °F
T-storms
Tonight
Low: 42 °F
Showers
Likely and
Patchy Fog
then Patchy
Fog
Tuesday
High: 74 °F
Chance
T-storms and
Patchy Fog
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 75 °F
Slight Chance
T-storms
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 46 °F
Mostly Clear

Detailed Forecast

Today

Showers and possibly a thunderstorm. Steady temperature around 66. Southeast wind around 6 mph becoming south 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 8pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 42. Calm wind. Chance of precipitation is 60%.

Tuesday

A 30 percent chance of showers and thunderstorms after 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74. 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 43. South wind 5 to 8 mph, with gusts as high as 18 mph.

Wednesday

A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 75. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 34 mph.

Wednesday Night

Mostly clear, with a low around 43. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Thursday

Sunny, with a high near 77. Light south wind becoming southwest 11 to 16 mph in the morning. Winds could gust as high as 30 mph.

Thursday Night

Mostly clear, with a low around 46. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Friday

A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 77. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. Calm wind.

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 60%.