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

Hazardous Weather Conditions

Current conditions at

SENATOR WASH (SWLC1)

Lat: 32.90775°NLon: 114.47403°WElev: 285.0ft.

NA

112°F

44°C

Humidity 15%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index111°F (44°C)
Last update 17 Aug 06:27 PM PDT
Extended Forecast for

Tacna AZ

Extreme Heat Warning August 17, 06:38pm until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 17, 06:38pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 86 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 111. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 111 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 84. Breezy, with a southwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 84 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 109. Heat index values as high as 115. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 109 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 84. Breezy, with a south southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 84 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 109. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 109 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 85. South southwest wind 5 to 10 mph.

    Low: 85 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny and hot, with a high near 112. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 112 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 86. West southwest wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 111. South wind 5 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 84. Breezy, with a southwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 109. Heat index values as high as 115. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 84. Breezy, with a south southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 109. Southeast wind around 5 mph becoming southwest in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 85. South southwest wind 5 to 10 mph.
Friday
Mostly sunny and hot, with a high near 112. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 87. West southwest wind around 5 mph.
Saturday
A 20 percent chance of showers before 11am. Sunny and hot, with a high near 112. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 86. South southwest wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 110. Light south southeast wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 84. South southwest wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 107. South southeast wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tacna AZ
 32.67°N 113.96°W (Elev. 417 ft)
Last Update:
3:48 pm MST Aug 17, 2026
Forecast Valid:
6pm MST Aug 17, 2026-6pm MST Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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