National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

KL1SF-7 Grand Canyon (AR412)

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

NA

76°F

24°C

Humidity 16%
Wind Speed WNW 2 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Heat Index76°F (24°C)
Last update 19 Sep 01:53 PM MST
Extended Forecast for

Grand Canyon AZ

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 73. West wind around 11 mph, with gusts as high as 21 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind 5 to 7 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. South wind 3 to 7 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 72. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 72 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 51. South wind 5 to 8 mph becoming calm after midnight.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. East wind around 6 mph becoming west in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 73. West wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 52. West wind 5 to 7 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. South wind 3 to 7 mph.
Monday
Partly sunny, with a high near 74. Light south wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. South wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 72. Southeast wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 51. South wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 73. East wind around 6 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. East wind 5 to 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71. East wind 6 to 9 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. East wind 5 to 8 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71. East wind 5 to 7 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Canyon AZ
 36.06°N 112.11°W (Elev. 6998 ft)
Last Update:
11:33 am MST Sep 19, 2026
Forecast Valid:
2pm MST Sep 19, 2026-6pm MST Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation