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.

69°F

21°C

Humidity	46%
Wind Speed	SSE 0 MPH
Barometer	30.23 in (1023.71 mb)
Dewpoint	47°F (8°C)
Visibility	NA
Last update	31 Aug 08:53 AM MST

More Information:

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

Extended Forecast for

11 Miles SE Phantom Ranch AZ

Flood Watch August 31, 09:03am until September 1, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 31, 09:03am until September 1, 12:00am
NOW until 12:00am Tue
Flood Watch
Today
High: 69 °F
T-storms
Tonight
Low: 49 °F
Showers
Likely and
Patchy Fog
then Patchy
Fog
Tuesday
High: 72 °F
Chance
T-storms and
Patchy Fog
Tuesday Night
Low: 51 °F
Mostly Clear
Wednesday
High: 74 °F
Slight Chance
T-storms
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 76 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 69. Light and variable wind becoming east around 5 mph. 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 49. Light and variable 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 72. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 51. Southwest wind around 9 mph, with gusts as high as 20 mph.

Wednesday

A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 74. Southwest wind 7 to 15 mph, with gusts as high as 31 mph.

Wednesday Night

Mostly clear, with a low around 52. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

Thursday

Sunny, with a high near 76. Southwest wind 6 to 13 mph, with gusts as high as 26 mph.

Thursday Night

Mostly clear, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

Friday

A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 75. Southwest wind 5 to 10 mph, with gusts as high as 22 mph.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54. Southwest 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 74. Light south wind. Chance of precipitation is 60%.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. Calm wind.

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%.