Foster City, CA

11:55 PM PDT on May 24, 2012 (GMT -0700)
Elev: 10 ft
Lon: 122.3° W
Lat: 37.6° N
Source
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Active Advisory: Special Statement (US Severe Weather)
Tropical Weather: Invest 94 (North Atlantic) Hurricane Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.
Weather Underground Forecast for Friday, May 25, 2012.

Expect more active weather to develop across the Great Lakes on Friday, as a low pressure system moves from the Upper Midwest into eastern Canada. This system will push a cold front over the Great Lakes and Midwest, producing scattered showers and thunderstorms throughout the day. There is a slight chance that some of these storms will turn severe with strong winds and large hail. Rainfall totals will range from 1 to 2 inches, with over 2 inches likely in areas of severe weather development.

Behind this activity in the West, a low pressure system will move over the Great Basin and into the Southern Rockies. Flow around this system will produce cooler temperatures across the West, while also triggering scattered showers over the Pacific Northwest, northern California, and Intermountain West. Snow showers may develop again across the highest elevations of the Northern Rockies.

Meanwhile in the East, high pressure builds from the Plains, over the Mississippi River Valley, and into the Eastern US. This will keep moisture away to the north, allowing for dry, sunny, and warm conditions. High temperatures will range in the 80s and 90s from the Central Plains through the Eastern Valleys, with parts of the Southern US reaching into the lower 100s.
Weather Underground Broadcast Network

Foster City Weather at a Glance

Updated 11:55 PM PDT
Elevation
12 ft
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Now
Clear
Clear
Temperature
50.6 °F
Feels Like 50.6 °F
Wind(mph)
3.0
Sunrise / Set
5:52 AM
8:19 PM
Moon
Waxing Crescent
Tonight
Clear 50 °F
Clear
Tomorrow
Thunderstorm 57 °F
T-storms
20% chance of precipitation
Tomorrow Night
Thunderstorm 50 °F
T-storms
20% chance of precipitation
Saturday
Partly Cloudy 63 | 50 °F
Partly Cloudy
Sunday
Partly Cloudy 64 | 50 °F
Partly Cloudy
Monday
Partly Cloudy 61 | 48 °F
Partly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.79 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
80%
Rainfall
7.92 in
Snow Depth
Not available.
METAR
METAR KSQL 250630Z AUTO 31011G16KT 10SM CLR 11/05 A2979 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
50.6 °F
Dew Point
45 °F
Wind
Speed / Dir
3.0 mph from NE
Wind Gust
7.0 mph
Health
UV
0.0 out of 16
Pollen
6.40 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Thursday Night
nt_clear Partly cloudy with a chance of rain after midnight. Low of 50F. Windy. Winds from the WNW at 20 to 30 mph with gusts to 35 mph. Chance of rain 20%.
Friday
tstorms Partly cloudy with thunderstorms and a chance of rain. High of 57F. Breezy. Winds from the WNW at 20 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain. Low of 50F. Winds from the West at 5 to 20 mph. Chance of rain 20%.
Saturday
partlycloudy Partly cloudy. High of 63F. Winds from the West at 10 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the West at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 64F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_mostlycloudy Overcast. Fog overnight. Low of 50F. Winds from the WNW at 5 to 10 mph.
Monday
partlycloudy Overcast in the morning, then clear. High of 61F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the WNW at 5 to 10 mph.
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 63F. Winds from the West at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph.
Wednesday
partlycloudy Clear. High of 66F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Fog overnight. Low of 54F. Winds less than 5 mph.
Thursday
partlycloudy Clear. High of 70F. Winds from the WSW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 52F. Winds from the SW at 5 to 10 mph.
Friday
clear Clear. High of 68F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Partly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Saturday
clear Clear. High of 64F. Winds from the WNW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the WNW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy. High of 64F. Winds from the WNW at 5 to 20 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 10 to 15 mph.
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Forecast

View Calendar 10-Day Forecast for station KCAFOSTE4

Friday, 25
Thunderstorm
57 | 50 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Partly Cloudy
63 | 50 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
64 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Partly Cloudy
61 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
63 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
66 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Clear
68 | 54 °F
Clear
Chance of
Precipitation
0%
Saturday, 2
Clear
64 | 52 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Partly Cloudy
64 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
tstorms Partly cloudy with thunderstorms and a chance of rain. High of 57F. Breezy. Winds from the WNW at 20 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain. Low of 50F. Winds from the West at 5 to 20 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 44 55 | 45 55 | 46 52 | 46
Wind 21 mph WNW 24 mph WNW 19 mph WNW 13 mph WNW
Humidity 78% 68% 72% 79%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 56% 62% 67% 35%
Conditions Chance of Rain Thunderstorm Thunderstorm Partly Cloudy
Sunrise & Sunset
5:52 AM
8:19 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.32], Average RMSE [1.53]
The National Weather Service forecast quality is poor. MaxT RMSE [5.11], Average RMSE [1.49] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 63F. Winds from the West at 10 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 47 57 | 52 55 | 47 52 | 49
Wind 7 mph West 11 mph West 13 mph West 7 mph West
Humidity 81% 81% 74% 86%
Chance of Precip. 10% 10% 0% 10%
Cloud Cover 51% 44% 56% 61%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:52 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.63], Average RMSE [1.98]
The National Weather Service forecast quality is poor. MaxT RMSE [5.25], Average RMSE [1.73] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 64F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_mostlycloudy Overcast. Fog overnight. Low of 50F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 47 61 | 53 60 | 49 53 | 52
Wind 5 mph WSW 9 mph West 12 mph WNW 9 mph WNW
Humidity 85% 74% 67% 94%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 59% 13% 20% 96%
Conditions Partly Cloudy Clear Clear Fog
Sunrise & Sunset
5:51 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.56], Average RMSE [1.86]
The National Weather Service forecast quality is poor. MaxT RMSE [4.88], Average RMSE [1.87] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Monday
partlycloudy Overcast in the morning, then clear. High of 61F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 48 58 | 53 58 | 49 51 | 49
Wind 7 mph WNW 10 mph WNW 11 mph West 7 mph West
Humidity 86% 83% 74% 91%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 99% 4% 0% 2%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:21 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.84], Average RMSE [2.03]
The National Weather Service forecast quality is poor. MaxT RMSE [4.90], Average RMSE [2.13] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 63F. Winds from the West at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 50F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 46 58 | 51 58 | 47 53 | 49
Wind 5 mph WNW 8 mph West 10 mph West 5 mph West
Humidity 81% 75% 70% 87%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 9% 0% 0% 5%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.86], Average RMSE [2.21]
The National Weather Service forecast quality is poor. MaxT RMSE [5.07], Average RMSE [1.98] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 66F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Fog overnight. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 47 63 | 55 64 | 53 56 | 50
Wind 2 mph West 5 mph West 8 mph West 4 mph WSW
Humidity 80% 74% 66% 80%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 96% 3% 0% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.54], Average RMSE [2.60]
The National Weather Service forecast quality is poor. MaxT RMSE [5.46], Average RMSE [2.00] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Thursday
partlycloudy Clear. High of 70F. Winds from the WSW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 52F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 51 65 | 58 67 | 55 55 | 51
Wind 3 mph SW 6 mph WSW 8 mph WSW 5 mph SW
Humidity 83% 76% 66% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.86], Average RMSE [2.26]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
clear Clear. High of 68F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Partly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 53 65 | 59 65 | 56 55 | 51
Wind 5 mph WSW 7 mph West 13 mph WNW 9 mph West
Humidity 91% 79% 72% 87%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 0% 1% 3% 11%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.75], Average RMSE [2.87]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
clear Clear. High of 64F. Winds from the WNW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 52F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 51 63 | 57 62 | 53 53 | 48
Wind 7 mph West 9 mph WNW 14 mph WNW 10 mph WNW
Humidity 88% 78% 73% 83%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 19% 10% 1% 25%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.53], Average RMSE [2.63]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 64F. Winds from the WNW at 5 to 20 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WNW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 49 62 | 51 62 | 46 53 | 44
Wind 9 mph WNW 10 mph WNW 16 mph WNW 11 mph WNW
Humidity 87% 68% 54% 67%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 49% 29% 9% 5%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 45 62 | 47 62 | 42 53 | 42
Wind 9 mph WNW 10 mph WNW 15 mph WNW 10 mph WNW
Humidity 76% 59% 48% 63%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:22 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 25, 2012 Max Temp Min Temp
Normal (KSFO) 68 °F 52 °F
Record (KSFO) 91 °F (1982) 45 °F (1953)
Yesterday 64 °F 52 °F
Yesterday's Heating Degree Days: 7
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM2.5
Current Good
OZONE
Current Good
PM2.5
Thursday Good
OZONE
Friday Good
OZONE
Saturday Good
OZONE
Sunday Good
OZONE
Monday Good
OZONE
Tuesday Good
OZONE
Coastal Water Temperatures
Place Temperature
San Francisco, CA 55.0 °F
Port Chicago, CA 64.0 °F
Marine Forecast
Astronomy
May. 24, 2012 Rise Set
Actual Time 5:52 AM PDT 8:19 PM PDT
Civil Twilight 5:22 AM PDT 8:49 PM PDT
Nautical Twilight 4:45 AM PDT 9:26 PM PDT
Astronomical Twilight 4:04 AM PDT 10:07 PM PDT
Moon 8:57 AM PDT (5/24) 11:24 PM PDT (5/24)
Length Of Visible Light 15h 26m
Length of Day
14h 26m
Tomorrow will be 1m 19s longer.
Waxing Crescent, 16% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Yesterday's Extremes
State Highs State Lows
99 °F
Needles
98 °F
Palm Springs
98 °F
Thermal
96 °F
Imperial
96 °F
Blythe
24 °F
Truckee-Tahoe
28 °F
South Lake Tahoe
30 °F
Alturas
35 °F
Weaverville
36 °F
Montague
Record Extremes
Snow Depth
Station Depth Elevation
Blue Lakes 1 in 8000 ft
Carson Pass 0 in 8500 ft
Forestdale Creek 1 in 8029 ft
Ebbetts Pass 0 in 8700 ft
Leavitt Lake 19 in 9400 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
House of Floyd 8:00 PM PDT 2012-05-26 Clear, 57°F
Tom Daggett and Paul Fifield 6:00 PM PDT 2012-05-26 Clear, 60°F
5K Run & Walk to benefit the Leukemia and Lymphoma Society 9:00 AM PDT 2012-05-26 Overcast, 57°F
Guerrilla Marketing Unveiled Workshop 9:00 AM PDT 2012-05-26 Overcast, 57°F
Tom Daggett and Paul Fifield with special guest Hobbyhorse 6:00 PM PDT 2012-05-26 Clear, 60°F
TechShop Menlo Park presents: College of Lockpicking 3:00 PM PDT 2012-05-27 Partly Cloudy, 66°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
San Carlos 52 °F Clear 11:30 PM PDT
San Francisco 51 °F Partly Cloudy 10:56 PM PDT
Palo Alto 55 °F Partly Cloudy 8:47 PM PDT
Hayward 53 °F Clear 10:54 PM PDT
View all Aviation Tools
Flight To ETA Status
VRD71
Washington, DC 		KSFO 09:00PM On Time
VRD141
Philadelphia, PA 		KSFO 09:03PM On Time
UAL863
New York, NY 		KSFO 09:05PM On Time
VRD27
New York, NY 		KSFO 09:08PM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KSQL)
Wind Speed: 11.0 kts.
Wind Dir: 41° (NE)
Ceiling: Unlimited

METAR KSQL 250630Z AUTO 31011G16KT 10SM CLR 11/05 A2979 RMK AO2

View all Reports & Maps
Sports
Event Date Forecast
Twins vs. White Sox 7:10 PM CDT on May 24, 2012 Partly Cloudy, 86 °F
Phillies vs. Cardinals 7:15 PM CDT on May 24, 2012 Clear, 86 °F
Yankees vs. Athletics 7:05 PM PDT on May 25, 2012 Thunderstorm, 56 °F
Yankees vs. Athletics 1:05 PM PDT on May 26, 2012 Partly Cloudy, 61 °F
Event Date Forecast
Athletic vs. Barcelona 12:00 PM CEST on May 25, 2012 Clear, High 84° F/ 29° C
Barcelona vs. Athletic 10:00 PM CEST on May 25, 2012 Clear, High 86° F/ 30° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 85 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 25, 2012 Overcast, 76 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 74 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Neighborhood 4, Foster City, CA 50.6 °F - 45 °F 80% NE  at  3.0 mph 9.75 in / hr 12 ft 11:55 PM PDT Rapid Fire  
Neighborhood One (The Hamiltons), Foster City, CA 53.4 °F - 44 °F 70% NW  at  8.1 mph 0.00 in / hr 8 ft 8:55 PM PDT Rapid Fire
3rd Avenue, Foster City, CA 50.7 °F - 44 °F 80% West  at  43.0 mph 0.00 in / hr 150 ft 11:02 PM PDT Normal  
Belmont - Island Park, Belmont, CA 50.9 °F - 40 °F 65% WSW  at  4.9 mph 0.00 in / hr 5 ft 11:55 PM PDT Rapid Fire
Lauriedale, San Mateo, CA 52.4 °F - 45 °F 75% NW  at  2.5 mph 0.00 in / hr 30 ft 11:55 PM PDT Rapid Fire  
Redwood Shores, Redwood City, CA 51.8 °F - 42 °F 70% NW  at  8.7 mph 0.00 in / hr 0 ft 11:55 PM PDT Rapid Fire
Stratford Bay, Redwood City, CA 52.1 °F - 46 °F 80% NW  at  11.0 mph 0.00 in / hr -10 ft 11:55 PM PDT Rapid Fire  
MesoWest San Carlos , Redwood City, CA 53 °F - 40 °F 63% WNW  at  22 mph 0.00 in / hr 0 ft 10:00 PM PDT MADIS
Laurelwood, San Mateo, CA 49.2 °F 48 °F 44 °F 81% NE  at  4.0 mph - / hr 300 ft 11:45 PM PDT Normal  
North Shoreview, San Mateo, CA 50.6 °F - 45 °F 82% West  at  13.0 mph 0.00 in / hr 10 ft 11:55 PM PDT Rapid Fire  
APRSWXNET Belmont CA , Belmont, CA 49 °F 45 °F 42 °F 76% SSW  at  9 mph 0.00 in / hr 357 ft 11:31 PM PDT MADIS
Upper Hillsborough, Hillsborough, CA 48.1 °F 43 °F 44 °F 87% NW  at  13.0 mph 0.00 in / hr 536 ft 11:55 PM PDT Rapid Fire  
Centennial, Redwood City, CA 52.0 °F - 44 °F 73% SSE  at  5.0 mph 0.00 in / hr 10 ft 11:45 PM PDT Normal
White Oaks, San Carlos, CA 51.0 °F - 42 °F 71% WNW  at  3.0 mph 0.00 in / hr 52 ft 11:46 PM PDT Normal  
Beverly Terrace, San Carlos, CA 47.3 °F 41 °F 42 °F 81% West  at  14.0 mph 0.00 in / hr 812 ft 11:55 PM PDT Normal  
Edgewood Park, Redwood City, CA 51.6 °F - 42 °F 70% NNW  at  2.2 mph 0.00 in / hr 53 ft 11:54 PM PDT Normal  
RAWS PULGAS CA, Half Moon Bay, CA 49 °F 44 °F 38 °F 66% West  at  14 mph 0.00 in / hr 644 ft 10:38 PM PDT MADIS
Canyon Rd. Redwood City, CA, Redwood City, CA 50.0 °F - 44 °F 80% ESE  at  2.7 mph - / hr 0 ft 11:42 PM PDT Normal  
Redwood City Hills, Redwood City, CA 53.1 °F - 40 °F 60% WSW  at  13.6 mph 0.00 in / hr 170 ft 11:55 PM PDT Normal  
Emerald Hills, Emerald Hills, CA 50.4 °F - 39 °F 64% SW  at  13.0 mph 0.00 in / hr 705 ft 8:52 PM PDT Rapid Fire  
Emerald Hills, Redwood City, CA 50.6 °F - 37 °F 60% NW  at  22.0 mph 0.00 in / hr 790 ft 11:45 PM PDT Normal
Sterling Heights, Redwood City, CA 51.0 °F - 30 °F 44% NW  at  2.0 mph 0.00 in / hr 134 ft 11:55 PM PDT Rapid Fire  
Lower Hillcrest, Emerald Hills, CA 49.5 °F 50 °F 40 °F 70% North  at  0.0 mph 0.00 in / hr 535 ft 11:55 PM PDT Rapid Fire  
Sunset Way, Emerald Hills, CA 48.3 °F 46 °F 41 °F 75% WNW  at  6.0 mph 0.00 in / hr 748 ft 11:55 PM PDT Normal
Burlingame, Burlingame, CA 50.0 °F 47 °F 41 °F 72% WSW  at  7.2 mph 0.00 in / hr 400 ft 11:55 PM PDT Normal  
Stulsaft Park, Redwood City, CA 51.5 °F - 40 °F 65% North  at  0.0 mph 0.00 in / hr 233 ft 11:55 PM PDT Rapid Fire  
Beresford Ave, Redwood City, CA 54.0 °F - 39 °F 58% WNW  at  7.6 mph 0.00 in / hr 66 ft 11:47 PM PDT Normal
Atherton, CA 52.0 °F - 41 °F 67% SW  at  0.0 mph 0.00 in / hr 53 ft 11:55 PM PDT Normal  
Woodside Glens, Woodside, CA 51.6 °F - 42 °F 70% West  at  3.0 mph 0.00 in / hr 381 ft 11:55 PM PDT Normal  
APRSWXNET Atherton CA , Atherton, CA 52 °F - 41 °F 67% NW  at  6 mph 0.00 in / hr 49 ft 11:32 PM PDT MADIS
APRSWXNET W.Menlo Park CA, Menlo Park, CA 54 °F - 41 °F 61% NW  at  5 mph 0.00 in / hr 115 ft 11:30 PM PDT MADIS
Palo Alto Park, East Palo Alto, CA 52.3 °F - 43 °F 71% South  at  3.8 mph 0.00 in / hr 20 ft 11:55 PM PDT Rapid Fire  
RAWS SPRING VALLEY CA, Millbrae, CA 44 °F 35 °F 41 °F 88% West  at  22 mph 0.00 in / hr 1075 ft 11:19 PM PDT MADIS
Kings Mountain, Woodside, CA 42.4 °F 37 °F 41 °F 94% West  at  10.0 mph 0.00 in / hr 1700 ft 11:55 PM PDT Rapid Fire  
King's Mountain 2100ft, Woodside, CA 41.0 °F 38 °F 36 °F 84% WSW  at  5.0 mph 0.00 in / hr 2100 ft 11:52 PM PDT Normal  
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Special Statement
Mobile & Email Alerts Statement as of 10:01 PM PDT on May 24, 2012

... Much cooler with a chance of showers and isolated thunderstorms Friday...

An unseasonably cold weather system will rapidly approach the Bay
area overnight... arriving by Friday morning. Rain showers
currently associated with this system are being reported in
southern Oregon with radars west of Cape Mendocino starting to
pick up returns. The main impact of the system will be cool
temperatures and a continuation of the breezy to locally windy
weather we've been having the last few days.

Skies will start out sunny but with cold morning temperatures in
the upper 30s and 40s for many portions of the Bay area. By
mid-morning the core of the system will pass overhead with very
unstable air aloft. This will allow for cumulus cloud development
over the hills of the Bay area. Rain showers will be possible
through the afternoon hours... especially over the hills but its
possible that any showers could drift over the valleys. Anybody
with outdoor interests such as camping our hiking on Friday should
be prepared for unseasonably cool... possibly wet and windy weather.

Finally... the latest computer model projections have been
consistent in showing an above average chance of thunderstorms
over the far eastern portions of our district... roughly running
southward form the hills of Napa County through the far East Bay
valleys and continuing southward over the higher and mostly
unpopulated areas of Santa Clara and San Benito counties. These
far eastern counties of the Bay area will have the best chance for
seeing thunderstorms roughly from 2 PM to 7 PM Friday afternoon
and evening. Freezing levels will drop to around 6000 feet so ice
pellets and small hail will be possible in some of the heavier
cells along with dangerous cloud to ground lightning.

Any hail that falls on roads can quickly lead to traffic
accidents... especially on the get away Friday of a three day
Holiday weekend. The National Weather Service and California
Highway patrol urge motorists to slow down and stay abreast of the
latest forecast information before heading out this Holiday
weekend. As a reminder... folks heading to the Sierra should expect
winter weather conditions Friday night into Saturday with snow
over the trans-Sierra passes. There are currently snow advisories
in effect for that West Slope of the Sierra until 6 PM Friday.

Http://weather.Gov/sanfrancisco


R walbrun