Descanso, CA (91916)

6:17 AM PST on December 15, 2017 (GMT -0800)
| | Change Station

Elev -9999 ft 0.00 °N, 0.00 °E | Updated 9 minutes ago

Clear
Clear
°F
Feels Like °F
N
Wind Variable Wind from North
Gusts mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.99 in
Visibility -9999.0 miles
Clouds
Dew Point Not available.
Humidity Not available.
Rainfall --
Snow Depth Not available.
6:41 AM 4:41 PM
Waning Crescent, 6% visible
Not available.
Pressure 29.99 in
Visibility -9999.0 miles
Clouds
Dew Point Not available.
Humidity Not available.
Rainfall --
Snow Depth Not available.
6:41 AM 4:41 PM
Waning Crescent, 6% visible
Not available.

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10-Day Weather Forecast

Almanac

Astronomy

Dec. 15, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

Community

WunderPhotos

Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Fire Weather Warning, Fire Weather Watch
Issued: 4:49 AM PST Dec. 15, 2017 – National Weather Service

... Red flag warning remains in effect until 10 am PST this
morning for strong winds and low humidity...

..Fire Weather Watch remains in effect from late Saturday night
through Sunday evening for strong winds and low humidity...

* location... mainly along the coastal mountain slopes, extending
into the adjacent valley areas, including below the Cajon
Pass, San Gorgonio Pass and inland Orange County.

* Wind... through this morning... northeast to east 20 to 30
mph... with local gusts 50 mph through wind-prone canyons.
Saturday night through Sunday evening... northeast 20 to 30 mph
with gusts to 55 mph. Isolated gusts near 70 mph on remote
coastal slopes and through wind-prone canyons... mainly north of
San Diego County.

* Humidity... minimum 7 to 12 percent today. Minimum 10 to 15
percent Sunday.

* Timing... through mid morning, then decreasing into afternoon and
turning onshore. Another round of Santa Ana winds possible
again Saturday evening through Sunday evening.

* Fire weather impacts... any fires that develop will likely
spread rapidly and be difficult to contain. Outdoor burning
should be avoided.

* Wind impacts... hazardous driving conditions for high profile
vehicles. Specific freeways that may be impacted include
interstates 10, 215, 15 and 8. Blowing dust or sand may
locally reduce visibility to 1 mile. Debris on roadways and
falling tree branches possible.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are either occurring now... .or will shortly. A combination of
strong winds... low relative humidity... and heat can contribute to
extreme fire behavior.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
red flag warnings.



Jad