Clayton, CA

5:14 PM PDT on May 24, 2012 (GMT -0700)
Elev: 623 ft
Lon: 121.9° W
Lat: 37.9° N
Source
Rapid Fire Updates™
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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
Kari Kiefer
Weather Underground midday recap for Thursday, May 24, 2012.

Severe weather developed over the North Central US on Thursday, as a low pressure system moved over the Upper Midwest. This created a frontal boundary that stretched from the Great Lakes through the Central Plains and produced moderate to heavy showers and thunderstorms. These storms produced heavy rainfall and strong winds for Minnesota and western Wisconsin. Rainfall totals ranged around 2 inches across the region, with heaviest rainfall reported in Minneapolis, Minnesota with a mid-day total of 2.10 inches. Flood advisories have been issued across the Upper Midwest due to this low moving frontal boundary. Meanwhile, the back side of this system allowed for another front to linger over the Northern Rockies. This system stretched into the Pacific Northwest and produced scattered showers throughout the day. Cooler temperatures over Northern Rockies allowed for snow showers to develop at the highest elevations in western Montana and northwestern Wyoming.

South of this activity, winds increased over the Southwest as a trough of low pressure moved in from the west. This created another warm and dry day for Arizona, New Mexico, and the Great Basin, which kept fire danger high.

In the East, heavy rainfall and strong winds associated with thunderstorm activity continued over southern Florida and the Bahamas. To the north, however, lighter and more widespread showers persisted in the Northeast and Mid-Atlantic states as a frontal boundary stalled over the region.
Weather Underground midday recap for Thursday, May 24, 2012.

Severe weather developed over the North Central US on Thursday, as a low pressure system moved over the Upper Midwest. This created a frontal boundary that stretched from the Great Lakes through the Central Plains and produced moderate to heavy showers and thunderstorms. These storms produced heavy rainfall and strong winds for Minnesota and western Wisconsin. Rainfall totals ranged around 2 inches across the region, with heaviest rainfall reported in Minneapolis, Minnesota with a mid-day total of 2.10 inches. Flood advisories have been issued across the Upper Midwest due to this low moving frontal boundary. Meanwhile, the back side of this system allowed for another front to linger over the Northern Rockies. This system stretched into the Pacific Northwest and produced scattered showers throughout the day. Cooler temperatures over Northern Rockies allowed for snow showers to develop at the highest elevations in western Montana and northwestern Wyoming.

South of this activity, winds increased over the Southwest as a trough of low pressure moved in from the west. This created another warm and dry day for Arizona, New Mexico, and the Great Basin, which kept fire danger high.

In the East, heavy rainfall and strong winds associated with thunderstorm activity continued over southern Florida and the Bahamas. To the north, however, lighter and more widespread showers persisted in the Northeast and Mid-Atlantic states as a frontal boundary stalled over the region.
Weather Underground Broadcast Network

Clayton Weather at a Glance

Updated 4:28 PM PDT
Elevation
1600 ft
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Now
Clear
Clear
Temperature
66 °F
Feels Like 66 °F
Wind(mph)
27
Sunrise / Set
5:50 AM
8:19 PM
Moon
Waxing Crescent
Tonight
Partly Cloudy 50 °F
Partly Cloudy
Tomorrow
Thunderstorm 70 °F
T-storms
20% chance of precipitation
Tomorrow Night
Thunderstorm 50 °F
T-storms
20% chance of precipitation
Saturday
Partly Cloudy 70 | 52 °F
Partly Cloudy
Sunday
Partly Cloudy 72 | 55 °F
Partly Cloudy
Monday
Partly Cloudy 70 | 52 °F
Partly Cloudy
Tomorrow is forecast to be Cooler than today.
Conditions
Pressure
29.70 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
36%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KCCR 242353Z 27016G22KT 10SM CLR 22/06 A2973 RMK AO2 SLP055 T02220056 10244 20200 56018
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
66 °F
Dew Point
38 °F
Wind
Speed / Dir
27 mph from West
Wind Gust
35.0 mph
Health
UV
5 out of 16
Pollen
6.40 out of 12
Pollen Forecast
Ozone
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Thursday Night
nt_partlycloudy Partly cloudy with a chance of rain after midnight. Low of 50F. Breezy. Winds from the WNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Friday
tstorms Overcast with thunderstorms and a chance of rain. High of 70F. Winds from the West at 10 to 15 mph. Chance of rain 20%.
Friday Night
nt_tstorms Clear with thunderstorms and a chance of rain. Low of 50F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Saturday
partlycloudy Partly cloudy. High of 70F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph.
Sunday
partlycloudy Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Fog overnight. Low of 55F. Winds from the WSW at 5 to 10 mph.
Monday
partlycloudy Clear. High of 70F. Winds from the WSW at 5 to 15 mph.
Monday Night
nt_partlycloudy Clear. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph.
Tuesday
partlycloudy Clear. High of 72F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 54F. Winds from the SW at 5 to 10 mph.
Wednesday
partlycloudy Clear. High of 81F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Fog overnight. Low of 54F. Winds from the SW at 5 to 10 mph.
Thursday
partlycloudy Clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 55F. Winds from the SW at 5 to 10 mph.
Friday
clear Clear. High of 82F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Partly cloudy. Low of 54F. Winds from the WSW at 5 to 15 mph.
Saturday
clear Clear. High of 82F. Winds from the WSW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 52F. Winds from the WSW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy. High of 79F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 15 mph.
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Forecast

View Calendar 10-Day Forecast for station KCCR

Thursday, 24
Clear
77 | 50 °F
Clear
Chance of
Precipitation
10%
Friday, 25
Thunderstorm
70 | 50 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 27
Partly Cloudy
72 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Partly Cloudy
70 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
72 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
81 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
84 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Clear
82 | 54 °F
Clear
Chance of
Precipitation
0%
Saturday, 2
Clear
82 | 52 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Thursday Night
nt_partlycloudy Partly cloudy with a chance of rain after midnight. Low of 50F. Breezy. Winds from the WNW at 15 to 25 mph with gusts to 30 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 45 70 | 44 70 | 42 53 | 42
Wind 9 mph West 19 mph West 24 mph West 20 mph WNW
Humidity 70% 38% 34% 66%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 5% 10% 16% 27%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:50 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.82], Average RMSE [1.69]
The National Weather Service forecast quality is good. MaxT RMSE [1.77], Average RMSE [2.35] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
tstorms Overcast with thunderstorms and a chance of rain. High of 70F. Winds from the West at 10 to 15 mph. Chance of rain 20%.
Friday Night
nt_tstorms Clear with thunderstorms and a chance of rain. Low of 50F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 44 60 | 36 68 | 36 55 | 47
Wind 15 mph WNW 11 mph West 5 mph West 9 mph SW
Humidity 78% 39% 32% 77%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 39% 39% 79% 1%
Conditions Chance of Rain Thunderstorm Thunderstorm Clear
Sunrise & Sunset
5:49 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.26], Average RMSE [1.99]
The National Weather Service forecast quality is good. MaxT RMSE [2.38], Average RMSE [2.36] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 70F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 45 65 | 43 68 | 42 54 | 48
Wind 7 mph SSW 9 mph SW 10 mph WSW 7 mph SW
Humidity 79% 47% 40% 81%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 8% 47% 28% 17%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:49 AM
8:20 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.35], Average RMSE [2.28]
The National Weather Service forecast quality is fair. MaxT RMSE [2.86], Average RMSE [2.43] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Sunday
partlycloudy Clear. High of 72F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Fog overnight. Low of 55F. Winds from the WSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 47 69 | 46 69 | 46 57 | 52
Wind 5 mph SW 6 mph WSW 12 mph WSW 8 mph WSW
Humidity 81% 43% 43% 83%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 7% 0% 2%
Conditions Fog Clear Clear Fog
Sunrise & Sunset
5:48 AM
8:21 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.25], Average RMSE [3.17]
The National Weather Service forecast quality is fair. MaxT RMSE [3.04], Average RMSE [2.77] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Monday
partlycloudy Clear. High of 70F. Winds from the WSW at 5 to 15 mph.
Monday Night
nt_partlycloudy Clear. Fog overnight. Low of 52F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 50 62 | 44 68 | 45 55 | 47
Wind 6 mph WSW 7 mph WSW 10 mph WSW 7 mph SW
Humidity 83% 51% 44% 75%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 33% 15% 0% 6%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.62], Average RMSE [3.76]
The National Weather Service forecast quality is poor. MaxT RMSE [3.80], Average RMSE [2.81] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Tuesday
partlycloudy Clear. High of 72F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 54F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 48 65 | 42 67 | 38 54 | 46
Wind 4 mph SW 5 mph West 9 mph WSW 6 mph SW
Humidity 78% 42% 34% 71%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 6% 0% 17%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.51], Average RMSE [3.89]
The National Weather Service forecast quality is poor. MaxT RMSE [4.60], Average RMSE [3.10] : Use NWS
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 81F. Winds from the West at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Fog overnight. Low of 54F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 55 | 47 71 | 44 77 | 46 60 | 49
Wind 4 mph SW 4 mph West 9 mph WSW 7 mph WSW
Humidity 75% 36% 34% 67%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 8% 1% 0% 5%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.56], Average RMSE [3.57]
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Thursday
partlycloudy Clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 55F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 49 74 | 47 79 | 51 58 | 46
Wind 5 mph SW 6 mph WSW 11 mph WSW 8 mph WSW
Humidity 74% 39% 38% 62%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 0% 20%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.54], Average RMSE [3.99]
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Friday
clear Clear. High of 82F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Partly cloudy. Low of 54F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 49 76 | 50 78 | 54 58 | 52
Wind 6 mph WSW 5 mph WSW 11 mph West 8 mph WSW
Humidity 73% 39% 44% 75%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 0% 13% 5% 11%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.72], Average RMSE [3.67]
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Saturday
clear Clear. High of 82F. Winds from the WSW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 52F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 54 76 | 66 77 | 64 56 | 50
Wind 6 mph SW 7 mph WSW 14 mph West 9 mph WSW
Humidity 86% 73% 65% 78%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 16% 10% 4% 22%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 79F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 51 72 | 60 73 | 53 57 | 44
Wind 7 mph WSW 7 mph West 13 mph West 9 mph West
Humidity 86% 63% 47% 61%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 40% 24% 8% 4%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
Source: BestForecast at 3:14 PM PDT on May 24, 2012
Descriptive Forecast
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 44 72 | 54 73 | 53 -9998 | -9998
Wind 7 mph WSW 7 mph West 13 mph West -9998 mph North
Humidity 70% 52% 47% 55%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% % 8% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:48 AM
8:22 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 24, 2012 Max Temp Min Temp
Normal (KCCR) 79 °F 54 °F
Record (KCCR) 92 °F (2001) 49 °F (2011)
Yesterday 77 °F 55 °F
Yesterday's Cooling Degree Days: 1
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
Current Good
OZONE
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 66.9 °F
Marine Forecast
Astronomy
May. 24, 2012 Rise Set
Actual Time 5:50 AM PDT 8:19 PM PDT
Civil Twilight 5:20 AM PDT 8:49 PM PDT
Nautical Twilight 4:42 AM PDT 9:26 PM PDT
Astronomical Twilight 4:01 AM PDT 10:08 PM PDT
Moon 8:54 AM PDT (5/24) 11:23 PM PDT (5/24)
Length Of Visible Light 15h 29m
Length of Day
14h 28m
Tomorrow will be 1m 21s longer.
Waxing Crescent, 14% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
99 °F
Needles
97 °F
Thermal
96 °F
Blythe
95 °F
El Centro
95 °F
Palm Springs
24 °F
Truckee-Tahoe
28 °F
South Lake Tahoe
30 °F
Alturas
35 °F
Weaverville
37 °F
Campo
Record Extremes
Snow Depth
Station Depth Elevation
Blue Lakes 0 in 8000 ft
Forestdale Creek 0 in 8029 ft
Squaw Valley 0 in 8200 ft
Hagan's Meadow 0 in 8000 ft
Leavitt Lake 18 in 9400 ft
Snow Depth Reports — Snow Depth Map
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Nearby Events
Event Date Forecast
Gen-X Thursday 7:00 PM PDT 2012-05-24 Clear, 66°F
Butterfield 8 presents - LETTICE AND LOVAGE 8:00 PM PDT 2012-05-24 Clear, 63°F
Super Challenge Party with Global Ambassador Nick Sarnicola! 7:00 PM PDT 2012-05-24 Clear, 66°F
A Musical Journey From the '70s To Today 6:00 PM PDT 2012-05-25 Thunderstorm, 67°F
Butterfield 8 presents - LETTICE AND LOVAGE 8:00 PM PDT 2012-05-25 Thunderstorm, 66°F
A Musical Journey From the '70s To Today 6:00 PM PDT 2012-05-26 Partly Cloudy, 70°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Concord 72 °F Clear 4:53 PM PDT
Livermore 69 °F Clear 4:53 PM PDT
Hayward 62 °F Clear 4:54 PM PDT
Oakland 64 °F Scattered Clouds 4:53 PM PDT
View all Aviation Tools
Flight To ETA Status
SWA327
Chicago, IL 		KOAK 05:10PM On Time
SWA511
Denver, CO 		KOAK 05:16PM On Time
UPS2950
Louisville, KY 		KOAK 05:22PM On Time
SWA2928
Los Angeles, CA 		KOAK 05:24PM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KCCR)
Wind Speed: 16.0 kts.
Wind Dir: 275° (West)
Ceiling: Unlimited

METAR KCCR 242353Z 27016G22KT 10SM CLR 22/06 A2973 RMK AO2 SLP055 T02220056 10244 20200 56018

View all Reports & Maps
Sports
Event Date Forecast
Braves vs. Reds 7:10 PM EDT on May 24, 2012 Clear, 81 °F
Padres vs. Mets 7:10 PM EDT on May 24, 2012 Chance of a Thunderstorm, 65 °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
Recreativo de Huelva vs. Valladolid 10:00 PM CEST on May 24, 2012 Clear, High 84° F/ 29° C
Athletic vs. Barcelona 12:00 PM CEST on May 25, 2012 Clear, High 84° F/ 29° 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. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
RAWS BLACK DIAMOND CA, Clayton, CA 66 °F - 38 °F 36% West  at  27 mph 0.00 in / hr 1600 ft 4:28 PM PDT MADIS
East Concord, Concord, CA 73.5 °F 77 °F 48 °F 41% SW  at  4.0 mph 0.00 in / hr 362 ft 5:09 PM PDT Normal  
Claycord, Concord, CA 72.9 °F 77 °F 46 °F 38% SW  at  4.0 mph 0.00 in / hr 292 ft 5:14 PM PDT Rapid Fire  
Pentozzi Treat & Cowell, Concord, CA 71.1 °F 76 °F 41 °F 33% West  at  0.0 mph 0.00 in / hr 250 ft 5:14 PM PDT Rapid Fire  
Top of Woodland Hills, Pittsburg, CA 75.2 °F 76 °F 34 °F 22% West  at  24.2 mph 0.00 in / hr 300 ft 5:14 PM PDT Rapid Fire  
Woodlands, Walnut Creek, CA 73.7 °F 77 °F 42 °F 32% SSW  at  3.0 mph 0.00 in / hr 68 ft 5:10 PM PDT Normal
Dana Estates, Concord, CA 74.0 °F 77 °F 46 °F 37% ENE  at  0.0 mph - / hr 155 ft 5:14 PM PDT Normal
APRSWXNET Diablo CA , Diablo, CA 73 °F 77 °F 42 °F 33% WSW  at  4 mph 0.00 in / hr 853 ft 3:08 PM PDT MADIS
Pittsburg's Delta View Golf Course, Pittsburg, CA 72.1 °F 76 °F 33 °F 24% WSW  at  17.8 mph 0.00 in / hr 200 ft 5:14 PM PDT Rapid Fire
APRSWXNET Walnut Creek CA U, Walnut Creek, CA 73 °F 77 °F 44 °F 35% WSW  at  4 mph 0.00 in / hr 114 ft 5:02 PM PDT MADIS
Concord, CA 71.3 °F 76 °F 36 °F 27% West  at  4.7 mph 0.00 in / hr 80 ft 5:12 PM PDT Normal  
Randy's Antioch Weather Station, Antioch, CA 73.5 °F 76 °F 38 °F 28% WNW  at  12.0 mph 0.00 in / hr 89 ft 5:10 PM PDT Normal
Pittsburg, CA (Marina), Pittsburg, CA 73.1 °F 77 °F 46 °F 38% SSW  at  7.0 mph 0.00 in / hr 10 ft 5:10 PM PDT Normal  
Downtown, Walnut Creek, CA 72.4 °F 77 °F 49 °F 43% WSW  at  2.0 mph 0.00 in / hr 145 ft 5:00 PM PDT Normal  
APRSWXNET Blackhawk CA, Danville, CA 70 °F - 48 °F 45% WNW  at  9 mph 0.00 in / hr 816 ft 4:46 PM PDT MADIS
APRSWXNET Antioch CA , Antioch, CA 74 °F 76 °F 36 °F 25% WSW  at  7 mph 0.00 in / hr 243 ft 5:01 PM PDT MADIS
Ridgerock, Antioch, CA 76.6 °F 78 °F 45 °F 32% West  at  10.0 mph - / hr 136 ft 5:09 PM PDT Normal  
Alamo - Castle Crest, Alamo, CA 71.7 °F 77 °F 49 °F 44% NNW  at  2.0 mph 0.00 in / hr 344 ft 5:08 PM PDT Normal
West Alamo - Litina, Alamo, CA 70.9 °F 77 °F 50 °F 48% North  at  1.6 mph 0.00 in / hr 269 ft 5:13 PM PDT Rapid Fire  
Larkey Park, Walnut Creek, CA 72.0 °F 77 °F 43 °F 35% West  at  1.0 mph 0.00 in / hr 150 ft 5:14 PM PDT Rapid Fire
Montair School, Danville, CA 71.1 °F 77 °F 49 °F 45% WSW  at  0.0 mph 0.00 in / hr 200 ft 5:14 PM PDT Rapid Fire  
Dinosaur Hill Park, Pleasant Hill, CA 72.8 °F 77 °F 48 °F 42% SSW  at  3.0 mph 0.00 in / hr 131 ft 4:54 PM PDT Normal  
K6TPK, Concord, CA 71.1 °F 76 °F 34 °F 26% NE  at  5.4 mph 0.00 in / hr 23 ft 5:14 PM PDT Rapid Fire
Shadow Lakes, Brentwood, CA 74.0 °F 77 °F 42 °F 32% WSW  at  9.0 mph 0.00 in / hr 280 ft 5:03 PM PDT Normal  
Acalanes Ridge, Walnut Creek, CA 68.7 °F - 47 °F 46% SSE  at  4.7 mph 0.00 in / hr 307 ft 5:10 PM PDT Normal  
APRSWXNET Brentwood CA , Brentwood, CA 77 °F 78 °F 43 °F 30% NW  at  10 mph 0.00 in / hr 203 ft 5:04 PM PDT MADIS
Hidden Hills Estates, Danville, CA 71.1 °F 77 °F 49 °F 46% ENE  at  1.8 mph 0.00 in / hr 709 ft 5:14 PM PDT Rapid Fire  
Palos Verde Mall Area, Lafayette, CA 73.9 °F 74 °F 16 °F 11% South  at  8.1 mph 0.00 in / hr 204 ft 5:10 PM PDT Normal
Lafayette near Palos Verde Mall, Lafayette, CA 67.6 °F - 46 °F 46% SW  at  0.0 mph 0.00 in / hr 231 ft 5:10 PM PDT Normal  
MesoWest Kregor Peak , Pleasant Hill, CA 65 °F - - - WSW  at  22 mph 0.00 in / hr 577 ft 4:00 PM PDT MADIS
Brentwood Hills-live since '07, Brentwood, CA 76.9 °F 78 °F 43 °F 30% West  at  9.0 mph 0.00 in / hr 23 ft 5:14 PM PDT Rapid Fire
Burton Valley, LAFAYETTE, CA 67.5 °F - 47 °F 47% SW  at  9.0 mph 0.00 in / hr 587 ft 5:14 PM PDT Rapid Fire  
Mtz/PH K6RHL, Martinez, CA 70.9 °F 77 °F 48 °F 45% SSW  at  2.0 mph 0.00 in / hr 350 ft 5:04 PM PDT Normal
FSTC - San Ramon, San Ramon, CA 67.8 °F - 48 °F 50% West  at  13.0 mph 0.00 in / hr 468 ft 5:14 PM PDT Normal
KF6IIU, Lafayette, CA 73.0 °F 77 °F 45 °F 35% ENE  at  0.0 mph 0.00 in / hr 400 ft 5:02 PM PDT Normal
RAWS LAS TRAMPAS CA, Walnut Creek, CA 66 °F - 45 °F 47% WSW  at  22 mph 0.00 in / hr 1759 ft 4:28 PM PDT MADIS
RAWS MT. DIABLO CA, Clayton, CA 56 °F - 39 °F 53% SSE  at  12 mph 0.00 in / hr 3849 ft 4:17 PM PDT MADIS
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Special Statement
Mobile & Email Alerts Statement as of 9:47 AM PDT on May 24, 2012

... Rain showers... thunderstorms... and cooler weather will impact
the region on Friday...

A storm system... currently off the British Columbia coast... will
dip south toward the region tonight into Friday. This storm will
bring a chance for rain and isolated thunderstorms... mainly Friday
afternoon into the evening hours. In addition... much cooler
conditions will be present... with daytime high temperatures only
reaching the upper 50s to upper 60s.

People with outdoor plans should continue to monitor the forecast
closely.

By Saturday morning... rain showers will move east out of the
region... leaving behind mostly clear skies. Temperatures over the
weekend will warm to near normal values... with highs mainly in the
70s.