Deer Park, CA

11:27 PM PDT on May 24, 2012 (GMT -0700)
Elev: 745 ft
Lon: 122.5° W
Lat: 38.5° N
Source
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 Updated 11:27 PM PDT Get Free Weather Stickers® Share:
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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

Deer Park Weather at a Glance

Updated 11:27 PM PDT
Weather Station - report
Las Posadas, Angwin
Elevation
1706 ft
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Now
Clear
Clear
Temperature
44.8 °F
Feels Like 41 °F
Wind(mph)
7.0
Sunrise / Set
5:51 AM
8:22 PM
Moon
Waxing Crescent
Tonight
Chance of Rain 41 °F
Chance of Rain
20% chance of precipitation
Tomorrow
Thunderstorm 66 °F
T-storms
20% chance of precipitation
Tomorrow Night
Thunderstorm 46 °F
T-storms
20% chance of precipitation
Saturday
Clear 68 | 46 °F
Clear
Sunday
Partly Cloudy 75 | 46 °F
Partly Cloudy
Monday
Partly Cloudy 68 | 46 °F
Partly Cloudy
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
29.74 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
80%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KSTS 250553Z AUTO 31015G20KT 10SM CLR 12/04 A2976 RMK AO2 SLP071 T01170039 10217 20117 51010
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Windchill
41 °F
Dew Point
39 °F
Wind
Speed / Dir
7.0 mph from WNW
Wind Gust
13.0 mph
Health
UV
0 out of 16
Pollen
7.60 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_chancerain Partly cloudy with a chance of rain. Low of 41F. Breezy. Winds from the WNW at 10 to 20 mph. Chance of rain 20%.
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 66F. Breezy. Winds from the NW at 10 to 20 mph. Chance of rain 20%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain. Low of 46F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Saturday
clear Clear. High of 68F. Winds from the WSW at 5 to 10 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the WSW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 75F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 46F. Winds from the West at 5 to 10 mph.
Monday
partlycloudy Mostly cloudy in the morning, then clear. High of 68F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
Tuesday
clear Clear. High of 73F. Winds from the SW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds less than 5 mph.
Wednesday
partlycloudy Clear. High of 81F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Thursday
clear Partly cloudy. High of 82F. Winds from the SW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 10 mph.
Friday
clear Clear. High of 81F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 55F. Winds from the West at 5 to 15 mph.
Saturday
clear Clear. High of 77F. Winds from the West 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 77F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 5 to 15 mph.
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Forecast

View Calendar 10-Day Forecast for station KCAKENWO2

Friday, 25
Thunderstorm
66 | 46 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Clear
68 | 46 °F
Clear
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
75 | 46 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 28
Partly Cloudy
68 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Clear
73 | 48 °F
Clear
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
81 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Clear
82 | 50 °F
Clear
Chance of
Precipitation
0%
Friday, 1
Clear
81 | 55 °F
Clear
Chance of
Precipitation
0%
Saturday, 2
Clear
77 | 52 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Partly Cloudy
77 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 66F. Breezy. Winds from the NW at 10 to 20 mph. Chance of rain 20%.
Friday Night
nt_tstorms Partly cloudy with thunderstorms and a chance of rain. Low of 46F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 38 61 | 41 64 | 39 52 | 47
Wind 14 mph WNW 15 mph WNW 12 mph NW 6 mph WNW
Humidity 84% 48% 40% 84%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 65% 77% 57% 31%
Conditions Chance of Rain Thunderstorm Thunderstorm Partly Cloudy
Sunrise & Sunset
5:51 AM
8:22 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.22], Average RMSE [2.05]
The National Weather Service forecast quality is fair. MaxT RMSE [2.85], Average RMSE [1.98] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
clear Clear. High of 68F. Winds from the WSW at 5 to 10 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 46F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 44 65 | 49 65 | 50 52 | 47
Wind 5 mph WNW 8 mph WSW 10 mph WSW 3 mph WSW
Humidity 86% 55% 57% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 13% 3% 16% 38%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:50 AM
8:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.92], Average RMSE [2.78]
The National Weather Service forecast quality is fair. MaxT RMSE [3.33], Average RMSE [1.96] : 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 75F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 46F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 45 68 | 49 72 | 50 52 | 47
Wind 2 mph WSW 8 mph WSW 11 mph West 7 mph West
Humidity 89% 49% 47% 86%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 42% 13% 13% 1%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:24 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.83], Average RMSE [2.11]
The National Weather Service forecast quality is poor. MaxT RMSE [3.84], Average RMSE [2.13] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Monday
partlycloudy Mostly cloudy in the morning, then clear. High of 68F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 46F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 48 65 | 51 64 | 46 52 | 46
Wind 4 mph West 6 mph SW 8 mph WSW 5 mph West
Humidity 90% 62% 51% 82%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 23% 0% 0% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:25 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.06], Average RMSE [2.87]
The National Weather Service forecast quality is poor. MaxT RMSE [4.38], Average RMSE [2.29] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 73F. Winds from the SW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 47 67 | 50 67 | 47 55 | 49
Wind 1 mph NW 4 mph SW 8 mph WSW 4 mph West
Humidity 85% 52% 47% 79%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.44], Average RMSE [2.63]
The National Weather Service forecast quality is poor. MaxT RMSE [4.84], Average RMSE [2.41] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 81F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 50F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 48 74 | 54 75 | 54 58 | 53
Wind 1 mph NNE 3 mph SSW 8 mph WSW 4 mph West
Humidity 84% 50% 47% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 90% 0% 0% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.59], Average RMSE [3.09]
The National Weather Service forecast quality is poor. MaxT RMSE [5.24], Average RMSE [2.45] : Use NWS
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Thursday
clear Partly cloudy. High of 82F. Winds from the SW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 49 75 | 51 76 | 56 56 | 51
Wind 2 mph WSW 5 mph SSW 8 mph SW 6 mph WSW
Humidity 84% 43% 49% 80%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 28% 0%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.91], Average RMSE [2.58]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
clear Clear. High of 81F. Winds from the West at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 55F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 49 74 | 58 75 | 60 56 | 51
Wind 4 mph WSW 6 mph West 11 mph West 8 mph West
Humidity 87% 57% 59% 82%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 1% 2% 4% 9%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.04], Average RMSE [2.56]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
clear Clear. High of 77F. Winds from the West 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 56 | 52 72 | 63 71 | 59 55 | 48
Wind 6 mph West 7 mph West 12 mph West 9 mph WNW
Humidity 87% 75% 67% 79%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 14% 12% 9% 24%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.10], Average RMSE [2.91]
Source: BestForecast at 7:14 PM PDT on May 24, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 77F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 52F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 48 70 | 57 71 | 49 55 | 42
Wind 7 mph WNW 9 mph WNW 13 mph WNW 10 mph WNW
Humidity 85% 62% 45% 61%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 39% 23% 7% 4%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 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 53 | 44 72 | 55 73 | 47 55 | 40
Wind 8 mph NW 8 mph WNW 12 mph WNW 9 mph WNW
Humidity 71% 53% 41% 57%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:25 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 25, 2012 Max Temp Min Temp
Normal (KSTS) 76 °F 48 °F
Record (KSTS) 85 °F (2001) 36 °F (1953)
Yesterday 77 °F 54 °F
Yesterday's Cooling Degree Days: 1
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Petrolia, CA 156 miles 2.6 10:18 AM PDT
2012-05-22
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
Richmond, CA 59.0 °F
Port Chicago, CA 64.0 °F
Marine Forecast
Astronomy
May. 24, 2012 Rise Set
Actual Time 5:51 AM PDT 8:22 PM PDT
Civil Twilight 5:20 AM PDT 8:53 PM PDT
Nautical Twilight 4:42 AM PDT 9:31 PM PDT
Astronomical Twilight 4:00 AM PDT 10:14 PM PDT
Moon 8:55 AM PDT (5/24) 11:27 PM PDT (5/24)
Length Of Visible Light 15h 33m
Length of Day
14h 31m
Tomorrow will be 1m 24s 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
CSS Lab 0 in 6900 ft
Ward Creek #3 0 in 6750 ft
Squaw Valley 1 in 8200 ft
Rubicon #2 0 in 7500 ft
Independence Lake 39 in 8450 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Nichelini 2011 Sauvignin Blanc Release & Food Pairing 11:00 AM PDT 2012-05-26 Partly Cloudy, 63°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Santa Rosa 53 °F Clear 10:53 PM PDT
Petaluma 48 °F Partly Cloudy 11:15 PM PDT
Napa County 51 °F Clear 10:54 PM PDT
Novato 54 °F Clear 11:15 PM PDT
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KSTS)
Wind Speed: 15.0 kts.
Wind Dir: 284° (WNW)
Ceiling: Unlimited

METAR KSTS 250553Z AUTO 31015G20KT 10SM CLR 12/04 A2976 RMK AO2 SLP071 T01170039 10217 20117 51010

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
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
Toyota/Save Mart 350 12:19 PM PDT on June 24, 2012 Average High 81° F/ 27° 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
HADS ANGWIN PACIFIC UNION COLLEGE AT CA, Angwin, CA 48 °F 48 °F - - North  at  - 0.00 in / hr 1714 ft 10:00 PM PDT MADIS
Las Posadas, Angwin, CA 44.8 °F 41 °F 39 °F 80% WNW  at  7.0 mph 0.00 in / hr 1706 ft 11:27 PM PDT Rapid Fire  
Saint Helena, CA 52.3 °F - 39 °F 61% WNW  at  1.0 mph 0.00 in / hr 261 ft 11:25 PM PDT Normal  
In the middle of a 4 ac. Vineyard in the, St. Helena, CA 53.6 °F - 40 °F 60% NE  at  3.0 mph 0.00 in / hr 250 ft 11:02 PM PDT Normal  
Greater Calistoga, Calistoga, CA 46.4 °F 42 °F 42 °F 83% West  at  8.7 mph - / hr 988 ft 11:13 PM PDT Normal  
Calistoga Rd at Porter Creek Rd, Santa Rosa, CA 46.9 °F 47 °F 41 °F 79% NNE  at  0.0 mph 0.00 in / hr 1083 ft 11:25 PM PDT Normal  
Kenwood, Santa Rosa, CA 51.1 °F - 40 °F 67% South  at  3.0 mph 0.00 in / hr 415 ft 11:26 PM PDT Normal  
APRSWXNET Calistoga CA , Santa Rosa, CA 48 °F 48 °F 40 °F 75% ESE  at  1 mph 0.00 in / hr 1099 ft 11:01 PM PDT MADIS
Rincon Valley, Santa Rosa, CA 51.6 °F - 41 °F 68% WNW  at  5.0 mph 0.00 in / hr 248 ft 11:26 PM PDT Rapid Fire  
APRSWXNET Santa Rosa CA , Santa Rosa, CA 59 °F - 41 °F 52% WSW  at  5 mph 0.00 in / hr 759 ft 7:35 PM PDT MADIS
Berryessa Estates, Pope Valley, CA 53.5 °F - 37 °F 53% West  at  5.0 mph 0.00 in / hr 500 ft 11:25 PM PDT Normal
Yountville Deli (Washington St), Yountville, CA 54.7 °F - 41 °F 60% NW  at  3.5 mph 0.00 in / hr 98 ft 11:27 PM PDT Rapid Fire
Annadel Heights, Santa Rosa, CA 55.2 °F - 36 °F 49% WNW  at  7.8 mph 0.00 in / hr 340 ft 11:26 PM PDT Rapid Fire  
Fairway View Estates, Santa Rosa, CA 52.9 °F - 39 °F 59% North  at  0.0 mph 0.00 in / hr 320 ft 11:27 PM PDT Rapid Fire  
Fountaingrove Village, Santa Rosa, CA 50.8 °F - 40 °F 66% North  at  0.0 mph 0.00 in / hr 555 ft 11:26 PM PDT Normal  
Montgomery Village, Santa Rosa, CA 52.0 °F - 38 °F 59% West  at  4.5 mph 0.00 in / hr 196 ft 11:27 PM PDT Rapid Fire
RAWS SANTA ROSA CA, Santa Rosa, CA 51 °F - 38 °F 61% WNW  at  13 mph 0.00 in / hr 599 ft 10:29 PM PDT MADIS
Northeast, Santa Rosa, CA 53.1 °F - 40 °F 60% WNW  at  4.0 mph 0.00 in / hr 0 ft 11:26 PM PDT Normal
HADS NAPA 9NNE CA, Napa, CA 49 °F 49 °F - - North  at  - 0.00 in / hr 1660 ft 10:00 PM PDT MADIS
SRJC-DP, Santa Rosa, CA 56.5 °F - 39 °F 51% WNW  at  5.4 mph 0.00 in / hr 187 ft 11:24 PM PDT Normal  
MesoWest Santa Rosa , Santa Rosa, CA 57 °F - - - NW  at  9 mph 0.00 in / hr 161 ft 10:00 PM PDT MADIS
Ragle Ranch, Santa Rosa, CA 53.4 °F - 41 °F 64% WNW  at  5.0 mph 0.00 in / hr 204 ft 11:14 PM PDT Normal  
Edgewood, Angwin, CA 45.5 °F 46 °F 38 °F 75% North  at  0.0 mph 0.00 in / hr 1766 ft 11:27 PM PDT Rapid Fire  
Berryessa Highlands, Napa, CA 52.6 °F - 41 °F 65% SSW  at  2.0 mph 0.00 in / hr 820 ft 11:25 PM PDT Normal  
Oak Knoll, Napa, CA 53.0 °F - 41 °F 63% WNW  at  10.0 mph 0.00 in / hr 146 ft 11:27 PM PDT Rapid Fire  
West Valley, Sonoma, CA 52.5 °F - 40 °F 62% NNE  at  2.0 mph 0.00 in / hr 246 ft 11:25 PM PDT Normal  
Old Soda Springs Rd 850 ft, Napa, CA 50.8 °F - 40 °F 65% NNW  at  2.0 mph 0.00 in / hr 846 ft 11:27 PM PDT Rapid Fire  
The Woods, Santa Rosa, CA 54.7 °F - 41 °F 59% North  at  0.0 mph 0.00 in / hr 0 ft 11:09 PM PDT Rapid Fire  
Santa Rosa,Ca., Santa Rosa, CA 53.4 °F - 40 °F 60% West  at  13.8 mph 0.00 in / hr 105 ft 11:27 PM PDT Rapid Fire
SnomaHoma Santa Rosa, Santa Rosa, CA 54.1 °F - 37 °F 53% North  at  0.0 mph 0.00 in / hr 134 ft 11:27 PM PDT Normal
Diamond A Ranch Estates, Sonoma, CA 47.9 °F 48 °F 39 °F 72% NW  at  1.0 mph 0.00 in / hr 1300 ft 11:27 PM PDT Rapid Fire  
Bellevue Ranch, Santa Rosa, CA 54.1 °F - 41 °F 61% NW  at  4.0 mph 0.00 in / hr 0 ft 11:27 PM PDT Rapid Fire  
APRSWXNET Napa CA US, Napa, CA 57 °F - 40 °F 52% WNW  at  5 mph 0.00 in / hr 78 ft 11:01 PM PDT MADIS
Windsor Fire, Windsor, CA 53.1 °F - 39 °F 58% NW  at  4.0 mph 0.00 in / hr 128 ft 11:25 PM PDT Normal
Santa Rosa Corporate Center, Santa Rosa, CA 53.5 °F - 41 °F 62% NW  at  4.0 mph 0.00 in / hr 122 ft 11:25 PM PDT Normal
Just off the Plaza, Sonoma, CA 55.7 °F - 41 °F 58% West  at  8.0 mph 0.00 in / hr 80 ft 11:20 PM PDT Normal
HADS SAINT HELENA 4WSW CA, Santa Rosa, CA - - - - North  at  - 0.00 in / hr 1779 ft 8:30 PM PDT MADIS
RAWS ATLAS PEAK CA, Napa, CA 46 °F 39 °F 36 °F 69% West  at  18 mph 0.00 in / hr 1934 ft 10:29 PM PDT MADIS
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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