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

Hazardous Weather Conditions

Current conditions at

Mesa / Falcon Field (KFFZ)

Lat: 33.46667°NLon: 111.73333°WElev: 1391.0ft.

Clear

84°F

29°C

Humidity 47%
Wind Speed SE 6 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Sep 04:54 AM MST
Extended Forecast for

Fountain Hills AZ

Flood Watch September 16, 05:14am until September 16, 11:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 16, 05:14am until September 16, 11:00pm

    NOW until 11:00pm Wed

    Flood Watch

  • Overnight

    Low: 77 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 87. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. East northeast wind around 5 mph becoming southwest after midnight.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 91. Northeast wind around 5 mph becoming south in the afternoon.

    High: 91 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Calm wind becoming northeast around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. Northeast wind around 5 mph becoming calm in the morning.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 74. Calm wind becoming northeast around 5 mph after midnight.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 99. Northeast wind around 5 mph becoming calm.

    High: 99 °F

    Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 77. North northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 87. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. East northeast wind around 5 mph becoming southwest after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 91. Northeast wind around 5 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 73. Calm wind becoming northeast around 5 mph after midnight.
Friday
Sunny, with a high near 97. Northeast wind around 5 mph becoming calm in the morning.
Friday Night
Clear, with a low around 74. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Sunny, with a high near 99. Northeast wind around 5 mph becoming calm.
Saturday Night
Clear, with a low around 74. Calm wind becoming northeast around 5 mph after midnight.
Sunday
Sunny, with a high near 99. East northeast wind around 5 mph becoming south southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Calm wind becoming east northeast around 5 mph.
Monday
Sunny, with a high near 98. East wind around 5 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 74. South southwest wind 5 to 10 mph becoming northeast after midnight.
Tuesday
Sunny, with a high near 98. East northeast wind 5 to 10 mph becoming south southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fountain Hills AZ
 33.6°N 111.74°W (Elev. 1814 ft)
Last Update:
3:37 am MST Sep 16, 2026
Forecast Valid:
5am MST Sep 16, 2026-6pm MST Sep 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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