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

Hazardous Weather Conditions

Current conditions at

SANTA FE DAM (STFC1)

Lat: 34.12614°NLon: 117.94717°WElev: 500.0ft.

NA

81°F

27°C

Humidity 48%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index81°F (27°C)
Last update 26 Aug 10:57 PM PDT
Extended Forecast for

3 Miles N Irwindale CA

Extreme Heat Warning August 26, 11:42pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 26, 11:42pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 72 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 103. Heat index values as high as 111. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 103 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 72. West wind around 5 mph becoming north after midnight.

    Low: 72 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 106. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light in the evening.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. Calm wind becoming north northwest around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 103. Heat index values as high as 111. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 72. West wind around 5 mph becoming north after midnight.
Friday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 106. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Southwest wind 5 to 10 mph becoming light in the evening.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Clear, with a low around 66.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 84.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 64.
Wednesday
A slight chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Irwindale CA
 34.16°N 117.96°W (Elev. 1562 ft)
Last Update:
11:26 pm PDT Aug 26, 2026
Forecast Valid:
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation