Walnut Creek, CA

5:31 AM PDT on May 19, 2013 (GMT -0700)
Elev: 331 ft
Lon: 122.1° W
Lat: 37.9° N
Source
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News
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Weather Summary
Kari Kiefer
Weather Underground Forecast for Sunday, May 19, 2013.

Severe thunderstorm activity will persist for the Plains on Sunday as a broad low pressure system continues trekking through the region. The system will move from the Northern Plains and into the Great Lakes, creating two frontal boundaries. The warm front associated with this system will extend eastward over the Great Lakes and into the Northeast, kicking up scattered showers and thunderstorms into Sunday night. At the same time, a cold front extends southward from this system which will move off the Central Rockies and into the Central and Southern Plains. Counter-clockwise flow around this broad system will pull moisture and energy into the Plains from the Gulf of Mexico. This will support moderate to heavy showers and thunderstorms in between these two fronts. This system has a history of severe thunderstorm development across the Northern and Central Plains, thus, there is a moderate risk of severe thunderstorm development with large hail, damaging winds, and multiple tornadoes. These severe thunderstorms will most likely develop across central and eastern Oklahoma, through eastern Kansas, and into western Missouri. A slight risk of severe storm development remains in effect from northern Texas, through southern Minnesota and Wisconsin on Sunday. At the same time, the back side of this system will continue spreading moisture over the Intermountain West and Rockies. This will trigger more showers with isolated thunderstorms over the region through Sunday evening.

Meanwhile in the East, a trough of low pressure slowly moves over the East Coast and maintains shower and thunderstorm activity for the Mid-Atlantic states through the Northeast.
Weather Underground Forecast for Sunday, May 19, 2013.

Severe thunderstorm activity will persist for the Plains on Sunday as a broad low pressure system continues trekking through the region. The system will move from the Northern Plains and into the Great Lakes, creating two frontal boundaries. The warm front associated with this system will extend eastward over the Great Lakes and into the Northeast, kicking up scattered showers and thunderstorms into Sunday night. At the same time, a cold front extends southward from this system which will move off the Central Rockies and into the Central and Southern Plains. Counter-clockwise flow around this broad system will pull moisture and energy into the Plains from the Gulf of Mexico. This will support moderate to heavy showers and thunderstorms in between these two fronts. This system has a history of severe thunderstorm development across the Northern and Central Plains, thus, there is a moderate risk of severe thunderstorm development with large hail, damaging winds, and multiple tornadoes. These severe thunderstorms will most likely develop across central and eastern Oklahoma, through eastern Kansas, and into western Missouri. A slight risk of severe storm development remains in effect from northern Texas, through southern Minnesota and Wisconsin on Sunday. At the same time, the back side of this system will continue spreading moisture over the Intermountain West and Rockies. This will trigger more showers with isolated thunderstorms over the region through Sunday evening.

Meanwhile in the East, a trough of low pressure slowly moves over the East Coast and maintains shower and thunderstorm activity for the Mid-Atlantic states through the Northeast.
More News Articles

Walnut Creek Weather at a Glance

Updated 5:31 AM PDT
Elevation
587 ft
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Now
Clear
Clear
Temperature
49.6 °F
Feels Like 50 °F
Wind(mph)
0.0
Sunrise / Set
5:54 AM
8:15 PM
Moon
Waxing Gibbous
Today
Clear 84 °F
Clear
Tonight
Clear 55 °F
Clear
Tomorrow
Clear 90 | 54 °F
Clear
Tuesday
Partly Cloudy 84 | 48 °F
Partly Cloudy
Wednesday
Clear 70 | 46 °F
Clear
Thursday
Clear 72 | 46 °F
Clear
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.07 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
87%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KCCR 191053Z 16004KT 10SM CLR 13/07 A3011 RMK AO2 SLP181 T01280072
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Windchill
50 °F
Dew Point
46 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
0.0 out of 16
Pollen
6.10 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Sunday
clear Clear. High of 84F. Breezy. Winds from the NNW at 10 to 20 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds from the WNW at 5 to 10 mph.
Monday
clear Clear. High of 90F. Winds from the NNW at 5 to 15 mph.
Monday Night
nt_clear Partly cloudy. Fog overnight. Low of 54F. Winds from the SW at 5 to 15 mph.
Tuesday
partlycloudy Partly cloudy. Fog early. High of 84F. Breezy. Winds from the SW at 10 to 20 mph.
Tuesday Night
nt_clear Partly cloudy in the evening, then clear. Low of 48F. Winds from the WSW at 5 to 15 mph.
Wednesday
clear Clear. High of 70F. Winds from the WNW at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 46F. Winds from the WSW at 5 to 15 mph.
Thursday
clear Clear. High of 72F. Winds from the West at 5 to 20 mph.
Thursday Night
nt_clear Clear. Low of 46F. Winds from the West at 5 to 15 mph.
Friday
clear Clear. High of 72F. Winds from the NNW at 5 to 15 mph shifting to the West in the afternoon.
Friday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the SW at 5 to 10 mph.
Saturday
partlycloudy Clear. High of 75F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 48F. Winds from the SW at 5 to 10 mph.
Sunday
clear Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 54F. Winds from the West at 5 to 15 mph.
Monday
partlycloudy Partly cloudy. High of 75F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the West at 5 to 15 mph.
Tuesday
mostlycloudy Mostly cloudy. High of 77F. Winds from the West at 5 to 15 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Wednesday
partlycloudy Clear. High of 82F. Winds from the West at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the West at 5 to 15 mph.
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Weather Forecast for Walnut Creek CA

View Calendar 10-Day Forecast for station KCAALAMO4

Sunday, 19
Clear
84 | 55 °F
Clear
Chance of
Precipitation
0%
Monday, 20
Clear
90 | 54 °F
Clear
Chance of
Precipitation
0%
Tuesday, 21
Partly Cloudy
84 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 22
Clear
70 | 46 °F
Clear
Chance of
Precipitation
0%
Thursday, 23
Clear
72 | 46 °F
Clear
Chance of
Precipitation
0%
Friday, 24
Clear
72 | 48 °F
Clear
Chance of
Precipitation
0%
Saturday, 25
Partly Cloudy
75 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Clear
72 | 54 °F
Clear
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
75 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Mostly Cloudy
77 | 54 °F
Mostly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Sunday
clear Clear. High of 84F. Breezy. Winds from the NNW at 10 to 20 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 47 77 | 43 82 | 32 64 | 41
Wind 4 mph West 12 mph NNW 13 mph NW 4 mph WNW
Humidity 71% 29% 16% 40%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 2% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:54 AM
8:15 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.38], Average RMSE [2.59]
The National Weather Service forecast quality is poor. MaxT RMSE [4.59], Average RMSE [2.94] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Monday
clear Clear. High of 90F. Winds from the NNW at 5 to 15 mph.
Monday Night
nt_clear Partly cloudy. Fog overnight. Low of 54F. Winds from the SW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 42 82 | 43 86 | 38 61 | 43
Wind 3 mph NW 7 mph North 14 mph West 6 mph SW
Humidity 50% 25% 18% 49%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 12%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:54 AM
8:16 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.36], Average RMSE [2.16]
The National Weather Service forecast quality is poor. MaxT RMSE [4.56], Average RMSE [2.50] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. Fog early. High of 84F. Breezy. Winds from the SW at 10 to 20 mph.
Tuesday Night
nt_clear Partly cloudy in the evening, then clear. Low of 48F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 44 76 | 44 74 | 41 54 | 44
Wind 8 mph SSW 14 mph SW 17 mph West 9 mph WSW
Humidity 64% 31% 29% 66%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 64% 34% 23% 32%
Conditions Fog Partly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:53 AM
8:16 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.50], Average RMSE [2.93]
The National Weather Service forecast quality is poor. MaxT RMSE [4.90], Average RMSE [2.71] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 70F. Winds from the WNW at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 46F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 38 64 | 31 66 | 36 51 | 40
Wind 7 mph WNW 10 mph NW 13 mph West 7 mph WSW
Humidity 55% 27% 33% 64%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:52 AM
8:17 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.18], Average RMSE [3.29]
The National Weather Service forecast quality is poor. MaxT RMSE [5.56], Average RMSE [3.08] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Thursday
clear Clear. High of 72F. Winds from the West at 5 to 20 mph.
Thursday Night
nt_clear Clear. Low of 46F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 38 63 | 35 66 | 40 53 | 44
Wind 6 mph West 10 mph West 16 mph West 7 mph WSW
Humidity 63% 34% 39% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:52 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.81], Average RMSE [3.37]
The National Weather Service forecast quality is poor. MaxT RMSE [6.13], Average RMSE [3.43] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Friday
clear Clear. High of 72F. Winds from the NNW at 5 to 15 mph shifting to the West in the afternoon.
Friday Night
nt_partlycloudy Partly cloudy. Low of 48F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 41 60 | 39 69 | 42 53 | 45
Wind 3 mph NW 7 mph NNW 12 mph West 7 mph SW
Humidity 69% 46% 38% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 10% 12% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.06], Average RMSE [3.97]
The National Weather Service forecast quality is poor. MaxT RMSE [6.68], Average RMSE [3.73] : Use NWS
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Saturday
partlycloudy Clear. High of 75F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 48F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 45 67 | 46 71 | 46 54 | 46
Wind 5 mph SW 8 mph SW 12 mph WSW 6 mph SW
Humidity 82% 43% 42% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 100% 0% 0% 0%
Conditions Overcast Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.83], Average RMSE [3.78]
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Sunday
clear Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 54F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 44 67 | 44 65 | 45 54 | 46
Wind 3 mph SW 4 mph West 12 mph WSW 9 mph West
Humidity 78% 43% 48% 76%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 4%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:20 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.13], Average RMSE [4.22]
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 75F. Winds from the WNW at 5 to 15 mph.
Monday 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 54 | 48 70 | 48 69 | 50 60 | 50
Wind 7 mph West 7 mph WNW 13 mph WNW 9 mph West
Humidity 79% 47% 48% 70%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 8% 30% 51% 68%
Conditions Clear Partly Cloudy Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:49 AM
8:21 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.09], Average RMSE [4.86]
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Tuesday
mostlycloudy Mostly cloudy. High of 77F. Winds from the West at 5 to 15 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Low of 54F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 52 74 | 51 66 | 50 54 | 50
Wind 6 mph West 6 mph West 12 mph West 9 mph West
Humidity 90% 45% 57% 88%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 85% 86% 86% 85%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:49 AM
8:22 PM
Source: BestForecast at 12:50 AM PDT on May 19, 2013
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 82F. Winds from the West at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the West at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 50 75 | 50 74 | 50 59 | 50
Wind 6 mph West 6 mph West 12 mph West 8 mph West
Humidity 77% 39% 42% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 84% 46% 8% %
Conditions Mostly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 19, 2013 Max Temp Min Temp
Normal (KCCR) 77 °F 52 °F
Record (KCCR) 95 °F (2001) 48 °F (2011)
Yesterday 78 °F 50 °F
Yesterday's Heating Degree Days: 1
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
The Geysers, California 76 miles 3.0 11:11 PM PDT
2013-05-14
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
Sunday Good
OZONE
Monday Moderate
OZONE
Tuesday Good
OZONE
Wednesday Good
OZONE
Coastal Water Temperatures
Place Temperature
San Francisco, CA 57.0 °F
Richmond, CA 60.1 °F
Port Chicago, CA 64.9 °F
Marine Forecast
Astronomy
May. 19, 2013 Rise Set
Actual Time 5:54 AM PDT 8:15 PM PDT
Civil Twilight 5:24 AM PDT 8:45 PM PDT
Nautical Twilight 4:48 AM PDT 9:21 PM PDT
Astronomical Twilight 4:08 AM PDT 10:02 PM PDT
Moon 2:30 PM PDT 2:14 AM PDT
Length Of Visible Light 15h 20m
Length of Day
14h 20m
Tomorrow will be 1m 32s longer.
Waxing Gibbous, 63% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Needles
75 °F
Blythe
75 °F
Thermal
73 °F
Palm Springs
73 °F
El Centro
30 °F
Truckee-Tahoe
34 °F
South Lake Tahoe
37 °F
Weaverville
39 °F
Montague
39 °F
Alturas
Record Extremes
Snow Depth
Station Depth Elevation
Carson Pass 0 in 8500 ft
Blue Lakes 0 in 8000 ft
Forestdale Creek 1 in 8029 ft
Rubicon #2 1 in 7500 ft
Ebbetts Pass 0 in 8700 ft
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Concord 55 °F Clear 3:53 AM PDT
Oakland 52 °F Clear 4:53 AM PDT
Hayward 54 °F Clear 3:54 AM PDT
Livermore 54 °F Clear 3:53 AM PDT
View all Aviation Tools
Flight To ETA Status
JBU317
Washington, DC 		KOAK 10:11AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KCCR)
Wind Speed: 4.0 kts.
Wind Dir: 231° (SW)
Ceiling: Unlimited

METAR KCCR 191053Z 16004KT 10SM CLR 13/07 A3011 RMK AO2 SLP181 T01280072

View all Reports & Maps
Nearby Events
Event Date Forecast
Make Dreams Come True for the Holidays! 8:00 AM PDT
2013-04-15		 Clear, 46°F
Make Dreams Come True for the Holidays! 8:00 AM PDT
2013-04-16		 Clear, 46°F
Make Dreams Come True for the Holidays! 8:00 AM PDT
2013-04-17		 Clear, 52°F
Broadway Comes To Oakland 8:00 PM PDT
2013-04-17		 Clear, 59°F
Parent Education Night - Stress Free Family Life 7:00 PM PDT
2013-04-18		 Clear, 67°F
Make Dreams Come True for the Holidays! 8:00 AM PDT
2013-04-18		 Clear, 55°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Mariners vs. Indians 1:05 PM EDT on May 19, 2013 Partly Cloudy, 74 °F
Blue Jays vs. Yankees 1:05 PM EDT on May 19, 2013 Rain, 61 °F
Royals vs. Athletics 1:05 PM PDT on May 19, 2013 Clear, 77 °F
Nationals vs. Giants 7:15 PM PDT on May 20, 2013 Clear, 61 °F
Event Date Forecast
Atlético Madrid vs. Celta Vigo 12:00 PM CEST on May 19, 2013 Chance of Rain, High 57° F/ 14° C
Betis vs. Mallorca 12:00 PM CEST on May 19, 2013 Chance of Rain, High 69° F/ 21° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Average High 79° F/ 26° C
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
HP Byron Nelson Championship 8:30 AM CDT on May 19, 2013 Partly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 67 °F
U.S. Open Championship 8:30 AM PDT on June 13, 2013 Average High 70° F/ 21° C
U.S. Open Championship 8:30 AM PDT on June 14, 2013 Average High 71° F/ 21° C
View all Sports Weather
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Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Burton Valley, LAFAYETTE, CA 49.6 °F 50 °F 46 °F 87% SW  at  0.0 mph 0.00 in / hr 587 ft 5:31 AM PDT Rapid Fire  
Alamo - Castle Crest, Alamo, CA 51.8 °F - 47 °F 83% SSE  at  3.0 mph 0.00 in / hr 344 ft 5:30 AM PDT Normal
West Alamo - Litina, Alamo, CA 48.9 °F 49 °F 48 °F 97% SW  at  0.0 mph 0.00 in / hr 269 ft 5:31 AM PDT Rapid Fire  
Downtown, Walnut Creek, CA 51.0 °F - 47 °F 85% South  at  0.0 mph 0.00 in / hr 145 ft 5:30 AM PDT Normal  
Walnut Heights, Walnut Creek, CA 48.5 °F 48 °F 45 °F 87% SE  at  0.0 mph 0.00 in / hr 269 ft 5:30 AM PDT Rapid Fire  
KF6IIU, Lafayette, CA 51.6 °F - 46 °F 83% SW  at  0.0 mph 0.00 in / hr 400 ft 5:31 AM PDT Normal
Alamo, Alamo, CA 48.0 °F 48 °F 46 °F 93% SW  at  0.0 mph - / hr 318 ft 5:25 AM PDT Normal  
SRCA Walnut Creek, Walnut Creek, CA 52.7 °F - 47 °F 80% SSW  at  0.0 mph 0.00 in / hr 617 ft 5:31 AM PDT Rapid Fire  
APRSWXNET Lafayette CA , Lafayette, CA 50 °F - 44 °F 80% SW  at  0 mph 0.00 in / hr 488 ft 5:03 AM PDT MADIS
Larkey Park, Walnut Creek, CA 50.8 °F - 44 °F 79% SSW  at  0.0 mph 0.00 in / hr 150 ft 5:30 AM PDT Rapid Fire
Acalanes Ridge, Walnut Creek, CA 53.0 °F - 44 °F 72% NNW  at  0.0 mph 0.00 in / hr 307 ft 5:31 AM PDT Rapid Fire  
Walnut Creek, CA 50.0 °F - 47 °F 90% South  at  0.0 mph 0.00 in / hr 151 ft 5:27 AM PDT Rapid Fire  
Walnut Creek, Walnut Creek, CA 50.5 °F - 43 °F 75% NNW  at  0.0 mph - / hr 148 ft 5:25 AM PDT Normal  
Lafayette near Palos Verde Mall, Lafayette, CA 49.2 °F 49 °F 44 °F 83% SSW  at  0.0 mph 0.00 in / hr 231 ft 5:30 AM PDT Normal  
Palos Verde Mall Area, Lafayette, CA 49.3 °F 49 °F 35 °F 58% SW  at  0.0 mph 0.00 in / hr 204 ft 5:29 AM PDT Rapid Fire
Camino Pablo, Moraga, CA 47.3 °F 47 °F 46 °F 94% South  at  0.0 mph 0.00 in / hr 502 ft 5:30 AM PDT Rapid Fire  
Dinosaur Hill Park, Pleasant Hill, CA 50.4 °F - 45 °F 83% North  at  0.0 mph 0.00 in / hr 131 ft 5:02 AM PDT Normal  
APRSWXNET Orinda CA , Moraga, CA 53 °F - 49 °F 87% NNE  at  0 mph 0.00 in / hr 738 ft 5:02 AM PDT MADIS
Hills near Del Rey, Orinda, CA 52.4 °F - 49 °F 87% NNE  at  0.0 mph 0.00 in / hr 725 ft 5:30 AM PDT Rapid Fire  
Del Rey Hills, Orinda, CA 48.6 °F 49 °F 44 °F 85% SSE  at  0.0 mph 0.00 in / hr 725 ft 5:30 AM PDT Rapid Fire  
Happy Valley, Lafayette -- Happy Valley, CA 50.9 °F - 49 °F 93% North  at  0.0 mph 0.00 in / hr 600 ft 5:31 AM PDT Rapid Fire  
Montair School, Danville, CA 47.7 °F 48 °F 44 °F 88% East  at  0.0 mph 0.00 in / hr 200 ft 5:31 AM PDT Rapid Fire  
Pleasant Hill, Pleasant Hill, CA 50.5 °F - 42 °F 72% SSE  at  0.0 mph 0.00 in / hr 85 ft 5:31 AM PDT Rapid Fire
Happy Valley / St Stephens Dr, Lafayette, CA 49.3 °F 49 °F 46 °F 87% West  at  0.0 mph 0.00 in / hr 715 ft 5:30 AM PDT Normal  
Woodland Hill, Lafayette, CA 50.9 °F - 47 °F 87% West  at  0.0 mph 0.00 in / hr 212 ft 5:22 AM PDT Normal  
Glorietta Area, Orinda, CA 50.2 °F - 45 °F 83% NW  at  0.0 mph 0.00 in / hr 820 ft 5:30 AM PDT Normal  
Woodlands, Walnut Creek, CA 52.3 °F - 41 °F 66% SSE  at  0.0 mph 0.00 in / hr 68 ft 5:30 AM PDT Normal
Country Club, Orinda, CA 58.7 °F - - - WSW  at  0.0 mph - / hr 700 ft 5:30 AM PDT Normal
APRSWXNET Diablo CA , Diablo, CA 53 °F - 43 °F 68% NW  at  1 mph 0.00 in / hr 853 ft 3:08 AM PDT MADIS
Concord, CA 55.6 °F - 47 °F 73% South  at  0.0 mph 0.00 in / hr 80 ft 5:27 AM PDT Normal  
PacWestRoofing.com, Oakland, CA 52.7 °F - 47 °F 81% SE  at  0.0 mph 0.00 in / hr 1171 ft 5:31 AM PDT Rapid Fire
RAWS OAKLAND SOUTH CA, Oakland, CA 50 °F - 50 °F 100% South  at  0 mph 0.00 in / hr 1095 ft 4:33 AM PDT MADIS
Montclair- corner of Skyline and Snake, Oakland, CA 52.3 °F - 46 °F 81% WSW  at  0.0 mph 0.00 in / hr 1250 ft 5:30 AM PDT Rapid Fire  
Pentozzi Treat & Cowell, Concord, CA 54.5 °F - 44 °F 68% South  at  0.0 mph 0.00 in / hr 250 ft 5:31 AM PDT Rapid Fire  
Mtz/PH K6RHL, Martinez, CA 55.3 °F - 48 °F 76% NW  at  0.0 mph 0.00 in / hr 350 ft 5:26 AM PDT Normal
RAWS BRIONES CA, Lafayette, CA 52 °F - 43 °F 71% WSW  at  6 mph 0.00 in / hr 1450 ft 4:28 AM PDT MADIS
RAWS LAS TRAMPAS CA, Walnut Creek, CA 53 °F - 42 °F 67% NNW  at  8 mph 0.00 in / hr 1759 ft 4:28 AM PDT MADIS
Forestland, Oakland, CA 53.3 °F - 44 °F 70% WNW  at  0.0 mph 0.00 in / hr 1444 ft 5:30 AM PDT Normal  
Chabot Space & Science Center, Oakland, CA 52.9 °F - 44 °F 73% NW  at  2.0 mph 0.00 in / hr 1584 ft 5:29 AM PDT Normal
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