Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

64°F

18°C

Humidity 64%
Wind Speed SW 2 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 11 Oct 03:23 PM MST
Extended Forecast for

Grand Canyon AZ

Flood Watch October 11, 03:34pm until October 12, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch October 11, 03:34pm until October 12, 12:00am

    NOW until 12:00am Sun

    Flood Watch

  • This Afternoon

    High: 62 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 44. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming south 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming south after midnight.

    Low: 44 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 63. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 42. South wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 63. South wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 62. Southwest wind around 16 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 44. Southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 63. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44. Southeast wind 5 to 7 mph becoming south after midnight.
Columbus Day
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 63. Southwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42. South wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 63. South wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 41. South wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 62. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 37. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 58. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 5 to 7 mph becoming east after midnight.
Friday
Sunny, with a high near 58. East wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 17 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.05°N 112.14°W (Elev. 6804 ft)
10:01 am MST Oct 11, 2025
3pm MST Oct 11, 2025-6pm MST Oct 17, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database