National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

LOS ANGELES DOWNTOWN (FHMC1)

Lat: 34.06778°NLon: 118.24167°WElev: 413.0ft.

80°F

27°C

Humidity	63%
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	66°F (19°C)
Visibility	NA
Heat Index	82°F (28°C)
Last update	27 Aug 04:25 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Altadena CA

Extreme Heat Warning August 27, 04:42am until August 28, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 27, 04:42am until August 28, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 72 °F
Mostly Cloudy
Thursday
High: 101 °F
Slight Chance
T-storms
Thursday Night
Low: 73 °F
Slight Chance
Showers then
Mostly Cloudy
Friday
High: 100 °F
Hot
Friday Night
Low: 71 °F
Mostly Clear
Saturday
High: 96 °F
Hot
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 89 °F
Sunny

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. Calm wind.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 101. 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 73. West southwest wind around 5 mph becoming calm in the evening.

Friday

Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

Friday Night

Mostly clear, with a low around 71. South southwest wind 5 to 10 mph becoming light in the evening.

Saturday

Sunny and hot, with a high near 96.

Saturday Night

Mostly clear, with a low around 66.

Sunday

Sunny, with a high near 89.

Sunday Night

Clear, with a low around 62.

Monday

Sunny, with a high near 86.