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, 01:00 AM MDT

Current conditions at

Grand Canyon National Park Airport (KGCN)

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

Clear

66°F

19°C

Humidity	59%
Wind Speed	E 10 MPH
Barometer	30.27 in (1025.06 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	31 Aug 08:35 AM MST

More Information:

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

Extended Forecast for

11 Miles SSE Grand Canyon Village AZ

Flood Watch August 31, 09:58am until September 1, 01:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 31, 09:58am until September 1, 01:00am
NOW until 1:00am Tue
Flood Watch
Today
High: 70 °F
Showers
Likely then
T-storms
Tonight
Low: 45 °F
Showers
Likely and
Patchy Fog
then Patchy
Fog
Tuesday
High: 73 °F
Patchy Fog
then Chance
T-storms
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 74 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 76 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear

Detailed Forecast

Today

Showers and possibly a thunderstorm. High near 70. Calm wind becoming southeast around 6 mph. Chance of precipitation is 90%.

Tonight

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Patchy fog after 9pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 45. Light and variable wind. Chance of precipitation is 60%.

Tuesday

A 30 percent chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. 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 46. South wind 5 to 13 mph, with gusts as high as 25 mph.

Wednesday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 74. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

Wednesday Night

Mostly clear, with a low around 47. Southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 29 mph.

Thursday

Sunny, with a high near 76. Light south wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

Thursday Night

Mostly clear, with a low around 49. Southwest wind 8 to 13 mph becoming light south in the evening. Winds could gust as high as 26 mph.

Friday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. 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 50. Southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. 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 51. Light and variable wind.

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.