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Updated: @  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 55.8, Max: 70.9, Min: 43.3 55.8°F
Warmer 0.8°F than last hour.

Cool

Feels like: 56°F

24-hr difference
4.7°FWarmer 4.7°F than yesterday at this time.
  Today Yesterday
High: 70.9°F
11:04am
75.7°F
11:34am
Low: 43.3°F
6:44am
40.8°F
6:16am
 Calm NE
0.0
Gust:
0.0 mph
0 Bft - Calm
Today: 9.2 mph 11:37am
Gust Month: 10.0 mph February 15
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
This Month: 0.01 in
Season Total: 2.35 in
1 rain day in February.
Washington's
Birthday
Washington's Birthday: A chance of showers before 10am, then a slight chance of showers after 4pm.  Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.  Chance of precipitation is 30%.
Chance
Showers and
Breezy
Humidity & Barometer Almanac Moon
Humidity: 73 % Decreased 4.0% since last hour.
Dew Point: 47.3°F Decreased 0.7°F since last hour.
Barometer: 29.936 inHg Rising 0.01  inHg/hr
3-Hr Trend: Steady
Sunrise: 6:26am
Sunset: 5:36pm
Moonrise: 8:49am
Moonset: 8:25pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
11%
Illuminated
UV Index Forecast UV Index Forecast
Feb-19-2018
4.5     Medium 
Feb-20-2018
4.1     Medium 
 NWS Forecast - Mission Trails  - Outlook: Tonight & Washington's Birthday
Tonight

Tonight: Showers likely, mainly between 10pm and 4am.  Mostly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.
Showers
Likely

Lo 49 °F
NWS Mission Trails: Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

WXSIM forecast: Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 54°. Wind south-southwest around 9 mph in the evening, becoming 15 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.

 
Washington's
Birthday
Washington's Birthday: A chance of showers before 10am, then a slight chance of showers after 4pm.  Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph.  Chance of precipitation is 30%.
Chance
Showers and
Breezy

Hi 55 °F
NWS Mission Trails: A chance of showers before 10am, then a slight chance of showers after 4pm. Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 30%.


WXSIM forecast: Mostly cloudy to cloudy. High 59°. Wind west around 22 mph, gusting to 32 mph. Maximum snow level 4000 feet above sea level.

GrLevel 3 Radar


Regional Radar Current Fronts
Images courtesy of Weather Underground.

Weather Story

Current National Weather

Current National Weather

Von Kármán Vortex off the southern California coast

Von Kármán Vortex off the southern California coast

A spiral cloud appears just off the southern California coast in this image seen by the Suomi NPP satellite's VIIRS instrument on February 1, 2018. While one might mistake this cloud for a small hurricane, it is actually just a harmless cloud formation known as a von Kármán vortex. Named after Theodore von Kármán, a co-founder of NASA's Jet Propulsion Laboratory, these stratocumulus clouds form when air moving over a relatively flat surface gets diverted by topographic features, such as an island or a mountaintop. In this image, the vortex formed east of San Clemente Island, about 70 miles off the coast of San Diego. When the prevailing wind was forced to move around the elevated surface of the island, the winds changed direction, causing the clouds to rotate into a spiral shape.This image was created by combining three of the high resolution thermal and visible channels from the Suomi NPP satellite's VIIRS sensor (SVI 4,2,1). The combination of these channels enhances the contrast between clouds, water, and land surfaces, with the ocean appearing black in this imagery.

HiRes Image

Courtesy of NOAA Environmental Visualization Laboratory