Geyserville, CA

4:55 AM PDT on May 25, 2012 (GMT -0700)
Elev: 197 ft
Lon: 122.9° W
Lat: 38.7° 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

Geyserville Weather at a Glance

Updated 4:55 AM PDT
Weather Station - report
Geyserville
Elevation
207 ft
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Now
Clear
Clear
Temperature
47.1 °F
Feels Like 46 °F
Wind(mph)
3.6
Sunrise / Set
5:51 AM
8:25 PM
Moon
Waxing Crescent
Today
Thunderstorm 68 °F
T-storms
20% chance of precipitation
Tonight
Chance of Rain 46 °F
Chance of Rain
20% chance of precipitation
Tomorrow
Partly Cloudy 73 | 45 °F
Partly Cloudy
Sunday
Clear 77 | 45 °F
Clear
Monday
Clear 72 | 45 °F
Clear
Tuesday
Clear 77 | 50 °F
Clear
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.70 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
70%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KSTS 251053Z AUTO 31011KT 10SM CLR 10/03 A2972 RMK AO2 SLP056 T01000028
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Windchill
46 °F
Dew Point
38 °F
Wind
Speed / Dir
3.6 mph from West
Wind Gust
6.6 mph
Health
UV
0 out of 16
Pollen
6.70 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
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 68F. Breezy. Winds from the NW at 15 to 20 mph. Chance of rain 20%.
Friday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 46F. Winds from the NW at 5 to 10 mph. Chance of rain 20%.
Saturday
partlycloudy Partly cloudy in the morning, then clear. High of 73F. Winds from the NW at 10 to 15 mph.
Saturday Night
nt_clear Clear. Low of 45F. Winds from the NNW at 5 to 15 mph.
Sunday
clear Clear. High of 77F. Winds from the West at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 45F. Winds from the WNW at 5 to 10 mph.
Monday
clear Clear. High of 72F. Winds from the West at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 45F. Winds from the NW at 5 to 10 mph.
Tuesday
clear Clear. High of 77F. Winds from the West at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the NW at 5 to 10 mph.
Wednesday
clear Clear. High of 84F. Winds from the WNW at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the NNW at 5 to 10 mph.
Thursday
clear Clear. High of 99F. Winds from the WNW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 54F. Winds from the NW at 5 to 10 mph.
Friday
clear Clear. High of 86F. Winds from the West at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 54F. Winds from the WNW at 5 to 10 mph.
Saturday
clear Partly cloudy. High of 68F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 50F. Winds from the WNW at 5 to 15 mph.
Sunday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the NW at 10 to 15 mph.
Monday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 50F. Winds from the NW at 5 to 15 mph.
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Forecast

View Calendar 10-Day Forecast for station KCAGEYSE3

Friday, 25
Thunderstorm
68 | 46 °F
T-storms
Chance of
Precipitation
20%
Saturday, 26
Partly Cloudy
73 | 45 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Clear
77 | 45 °F
Clear
Chance of
Precipitation
0%
Monday, 28
Clear
72 | 45 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Clear
77 | 50 °F
Clear
Chance of
Precipitation
0%
Wednesday, 30
Clear
84 | 54 °F
Clear
Chance of
Precipitation
0%
Thursday, 31
Clear
99 | 54 °F
Clear
Chance of
Precipitation
0%
Friday, 1
Clear
86 | 54 °F
Clear
Chance of
Precipitation
0%
Saturday, 2
Clear
68 | 50 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Clear
66 | 50 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Friday
tstorms Mostly cloudy with thunderstorms and a chance of rain. High of 68F. Breezy. Winds from the NW at 15 to 20 mph. Chance of rain 20%.
Friday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 46F. Winds from the NW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 44 61 | 37 66 | 38 54 | 48
Wind 15 mph NW 18 mph NW 13 mph NW 9 mph NW
Humidity 80% 44% 37% 77%
Chance of Precip. 20% 20% 20% 10%
Cloud Cover 65% 75% 51% 33%
Conditions Chance of Rain Thunderstorm Chance of Rain Partly Cloudy
Sunrise & Sunset
5:51 AM
8:25 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.63], Average RMSE [3.33]
The National Weather Service forecast quality is fair. MaxT RMSE [3.23], Average RMSE [3.52] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy in the morning, then clear. High of 73F. Winds from the NW at 10 to 15 mph.
Saturday Night
nt_clear Clear. Low of 45F. Winds from the NNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 45 66 | 46 71 | 49 54 | 49
Wind 8 mph NNW 10 mph WNW 11 mph WNW 5 mph NNW
Humidity 87% 49% 48% 84%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 25% 3% 16% 18%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:51 AM
8:26 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.89], Average RMSE [3.82]
The National Weather Service forecast quality is poor. MaxT RMSE [3.92], Average RMSE [3.83] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 77F. Winds from the West at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 45F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 45 70 | 47 72 | 44 54 | 45
Wind 3 mph North 7 mph WSW 9 mph West 8 mph NW
Humidity 87% 44% 36% 74%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 12% 12% 13% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:27 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.74], Average RMSE [3.89]
The National Weather Service forecast quality is poor. MaxT RMSE [4.75], Average RMSE [3.78] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 72F. Winds from the West at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 45F. Winds from the NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 45 68 | 50 68 | 44 53 | 45
Wind 6 mph NW 9 mph West 10 mph West 7 mph NW
Humidity 90% 51% 43% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 7% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:50 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.76], Average RMSE [3.57]
The National Weather Service forecast quality is poor. MaxT RMSE [5.11], Average RMSE [3.63] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 77F. Winds from the West at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 44 72 | 48 72 | 47 55 | 47
Wind 4 mph NNW 4 mph WSW 8 mph West 7 mph NNW
Humidity 85% 42% 41% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 99%
Conditions Clear Clear Clear Overcast
Sunrise & Sunset
5:49 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.04], Average RMSE [4.61]
The National Weather Service forecast quality is poor. MaxT RMSE [5.30], Average RMSE [3.69] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 84F. Winds from the WNW at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 46 77 | 50 79 | 44 60 | 50
Wind 6 mph NNW 5 mph West 8 mph West 6 mph NNW
Humidity 85% 39% 31% 70%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.09], Average RMSE [4.45]
The National Weather Service forecast quality is poor. MaxT RMSE [5.60], Average RMSE [3.30] : Use NWS
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Thursday
clear Clear. High of 99F. Winds from the WNW at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 54F. Winds from the NW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 49 77 | 50 87 | 62 59 | 50
Wind 4 mph North 5 mph West 7 mph West 5 mph NW
Humidity 73% 36% 42% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.49], Average RMSE [4.71]
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Friday
clear Clear. High of 86F. Winds from the West at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 54F. Winds from the WNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 49 77 | 51 80 | 55 60 | 49
Wind 4 mph NNW 5 mph WSW 10 mph West 8 mph WNW
Humidity 78% 39% 44% 69%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 0% 0% 0% 9%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.20], Average RMSE [3.59]
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
clear Partly cloudy. High of 68F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 50F. Winds from the WNW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 54 67 | 60 66 | 54 53 | 46
Wind 6 mph NW 7 mph West 11 mph West 9 mph WNW
Humidity 85% 76% 68% 78%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 18% 22% 26% 18%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:49 AM
8:28 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [8.09], Average RMSE [3.60]
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 50F. Winds from the NW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 47 64 | 53 64 | 47 51 | 42
Wind 8 mph NW 9 mph WNW 13 mph WNW 11 mph NW
Humidity 85% 66% 52% 67%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 9% 7% 6% 4%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:28 PM
Source: BestForecast at 1:16 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 66F. Winds from the WNW at 5 to 15 mph.
Monday Night
nt_clear Clear. Low of 50F. Winds from the NW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 45 65 | 51 64 | 44 53 | 42
Wind 9 mph NW 8 mph WNW 12 mph WNW 10 mph NW
Humidity 76% 59% 49% 65%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 1% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:49 AM
8:28 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) 84 °F (2000) 41 °F (2008)
Yesterday 74 °F 51 °F
Yesterday's Heating Degree Days: 2
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Hydesville, CA 145 miles 2.7 1:19 PM PDT
2012-05-23
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
Friday Good
OZONE
Saturday Good
OZONE
Sunday Good
OZONE
Monday Good
OZONE
Tuesday Good
OZONE
Coastal Water Temperatures
Place Temperature
Point Reyes, CA 50.0 °F
Arena Cove, CA 48.0 °F
San Francisco, CA 53.1 °F
Richmond, CA 57.9 °F
Marine Forecast
Astronomy
May. 25, 2012 Rise Set
Actual Time 5:51 AM PDT 8:25 PM PDT
Civil Twilight 5:20 AM PDT 8:56 PM PDT
Nautical Twilight 4:42 AM PDT 9:35 PM PDT
Astronomical Twilight 3:59 AM PDT 10:17 PM PDT
Moon 9:55 AM PDT No Moon Set
Length Of Visible Light 15h 35m
Length of Day
14h 34m
Tomorrow will be 1m 21s longer.
Waxing Crescent, 18% 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
82 °F
Needles
75 °F
Blythe
72 °F
Palm Springs
72 °F
Thermal
71 °F
Twentynine Palms
32 °F
Weaverville
32 °F
Truckee-Tahoe
35 °F
Blue Canyon
36 °F
Alturas
36 °F
Mount Shasta
Record Extremes
Snow Depth
Station Depth Elevation
CSS Lab 0 in 6900 ft
Squaw Valley 206 in 8200 ft
Ward Creek #3 0 in 6750 ft
Independence Lake 39 in 8450 ft
Independence Camp 0 in 7000 ft
Snow Depth Reports — Snow Depth Map
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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Santa Rosa 50 °F Clear 3:53 AM PDT
Ukiah 46 °F Clear 3:56 AM PDT
Petaluma 46 °F Partly Cloudy 4:35 AM PDT
Novato 50 °F Clear 4:35 AM 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: 11.0 kts.
Wind Dir: 278° (West)
Ceiling: Unlimited

METAR KSTS 251053Z AUTO 31011KT 10SM CLR 10/03 A2972 RMK AO2 SLP056 T01000028

View all Reports & Maps
Sports
Event Date Forecast
Royals vs. Orioles 7:05 PM EDT on May 25, 2012 Clear, 79 °F
Cubs vs. Pirates 7:05 PM EDT on May 25, 2012 Chance of a Thunderstorm, 81 °F
Event Date Forecast
Athletic vs. Barcelona 12:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Barcelona vs. Athletic 10:00 PM CEST on May 25, 2012 Scattered Clouds, High 86° F/ 30° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 81 °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, 74 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 72 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Geyserville, CA 47.1 °F 46 °F 38 °F 70% West  at  3.6 mph 0.00 in / hr 207 ft 4:55 AM PDT Rapid Fire
Canyon Rd., Geyserville, CA 45.9 °F 46 °F 37 °F 72% NE  at  0.0 mph 0.00 in / hr 300 ft 4:55 AM PDT Normal  
Lytton, Geyserville, CA 48.3 °F 45 °F 38 °F 67% West  at  6.6 mph 0.00 in / hr 174 ft 4:55 AM PDT Rapid Fire
NonFedAWOS HEALDSBURG , Healdsburg, CA 48 °F 45 °F 43 °F 81% WNW  at  7 mph 0.00 in / hr 277 ft 4:35 AM PDT MADIS
MAP HEALDSBURG CA , Healdsburg, CA 49 °F 49 °F 40 °F 71% North  at  - 0.00 in / hr 203 ft 4:00 AM PDT MADIS
NNW Healdsburg, Healdsburg, CA 48.5 °F 48 °F 39 °F 70% SSE  at  1.0 mph 0.00 in / hr 311 ft 4:55 AM PDT Rapid Fire
Dry Creek Ridge, Cloverdale, CA 46.9 °F 47 °F 22 °F 37% ENE  at  0.0 mph 0.00 in / hr 800 ft 4:54 AM PDT Rapid Fire  
N Healdsburg, Healdsburg, CA 48.5 °F 48 °F 38 °F 68% SW  at  0.0 mph 0.00 in / hr 212 ft 4:55 AM PDT Normal
Dry Creek Valley, Healdsburg, CA 46.9 °F 44 °F 47 °F - WSW  at  6.0 mph 0.00 in / hr 650 ft 4:54 AM PDT Rapid Fire
Palomino Lakes, Cloverdale, CA 45.7 °F 46 °F 35 °F 65% NNW  at  0.0 mph 0.00 in / hr 800 ft 4:55 AM PDT Rapid Fire
Eastside Road, Healdsburg, CA 51.2 °F - 40 °F 65% West  at  3.0 mph 0.00 in / hr 92 ft 4:41 AM PDT Normal
Windsor Fire, Windsor, CA 51.0 °F - 37 °F 59% WNW  at  9.0 mph 0.00 in / hr 128 ft 4:55 AM PDT Normal
Austin Creek State Recreation Area, Guerneville, CA 45.1 °F 43 °F 38 °F 75% East  at  4.0 mph 0.00 in / hr 988 ft 4:54 AM PDT Normal  
Canyon 3, Rio Nido, CA 48.0 °F 48 °F 40 °F 73% North  at  0.0 mph 0.00 in / hr 115 ft 4:38 AM PDT Normal  
MAP RIO NIDO CA , Rio Nido, CA 50 °F - 38 °F 64% North  at  - 0.00 in / hr 98 ft 4:00 AM PDT MADIS
Stumptown Brewery, Guerneville, CA 48.7 °F 49 °F 40 °F 72% NW  at  0.0 mph 0.00 in / hr 55 ft 4:54 AM PDT Rapid Fire
Armstrong Valley (Fire), Guerneville, CA 48.2 °F 48 °F 33 °F 55% SE  at  0.0 mph 0.00 in / hr 62 ft 4:51 AM PDT Normal
HADS RUSSIAN RIVER NEAR CLOVERDALE 6N CA, Hopland, CA - - - - North  at  - 0.00 in / hr 350 ft 4:00 AM PDT MADIS
APRSWXNET Calistoga CA , Santa Rosa, CA 45 °F 45 °F 39 °F 78% NNE  at  1 mph 0.00 in / hr 1099 ft 4:31 AM PDT MADIS
APRSWXNET Cazadero CA , Sheridan, CA 48 °F 48 °F 39 °F 71% North  at  1 mph 0.00 in / hr 882 ft 4:04 AM PDT MADIS
Greater Calistoga, Calistoga, CA 44.6 °F 42 °F 40 °F 82% South  at  4.7 mph - / hr 988 ft 4:49 AM PDT Normal  
Calistoga Rd at Porter Creek Rd, Santa Rosa, CA 45.4 °F 45 °F 39 °F 78% SE  at  0.0 mph 0.00 in / hr 1083 ft 4:41 AM PDT Normal  
JohnDory Vineyard, Sebastopol, CA 48.0 °F 48 °F 37 °F 66% NNW  at  2.0 mph 0.00 in / hr 180 ft 4:44 AM PDT Normal
Sebastopol, CA 48.9 °F 49 °F 38 °F 67% SE  at  0.0 mph 0.00 in / hr 213 ft 4:06 AM PDT Normal  
Laguna Road, Santa Rosa, CA 49.8 °F 48 °F 38 °F 64% NNE  at  5.0 mph - / hr 0 ft 4:26 AM PDT Normal  
SnomaHoma Santa Rosa, Santa Rosa, CA 51.4 °F - 36 °F 55% NNE  at  0.0 mph 0.00 in / hr 134 ft 4:55 AM PDT Normal
Fountaingrove Village, Santa Rosa, CA 48.4 °F 48 °F 38 °F 67% North  at  0.0 mph 0.00 in / hr 555 ft 4:54 AM PDT Normal  
The Terraces, Monte Rio, Monte Rio, CA 48.9 °F 49 °F 38 °F 67% NNW  at  0.0 mph 0.00 in / hr 360 ft 4:55 AM PDT Rapid Fire  
Starrett Hill 3rd Level, Monte Rio, CA 50.4 °F - 39 °F 64% South  at  0.7 mph 2.59 in / hr 348 ft 4:55 AM PDT Rapid Fire  
RAWS SANTA ROSA CA, Santa Rosa, CA 48 °F 46 °F 37 °F 65% NW  at  5 mph 0.00 in / hr 599 ft 4:29 AM PDT MADIS
Graton, CA 48.1 °F 48 °F 37 °F 65% North  at  0.0 mph 0.00 in / hr 148 ft 4:55 AM PDT Normal
Lynmar Estate, Sebastopol, CA 50.6 °F - 40 °F 66% North  at  0.0 mph 0.00 in / hr 113 ft 4:45 AM PDT Normal
MAP BURNT RIDGE (P188), CA , Annapolis, CA 47 °F 47 °F 36 °F 65% NNW  at  3 mph 0.00 in / hr 787 ft 4:00 AM PDT MADIS
Gunsalus Vineyard, Sebastopol, CA 48.4 °F 47 °F 39 °F 69% WNW  at  4.0 mph 0.00 in / hr 285 ft 4:51 AM PDT Normal  
Santa Rosa,Ca., Santa Rosa, CA 51.1 °F - 38 °F 60% West  at  13.8 mph 0.00 in / hr 105 ft 4:55 AM PDT Rapid Fire
MAP LAKE SONOMA, CA , Cloverdale, CA 43 °F 43 °F 38 °F 82% North  at  - 0.00 in / hr 1305 ft 3:00 AM PDT MADIS
HADS VENADO CA, Rio Nido, CA - - - - North  at  - 0.00 in / hr 1259 ft 4:00 AM PDT MADIS
RAWS HAWKEYE CA, Geyserville, CA 41 °F 31 °F 33 °F 72% NW  at  22 mph 0.00 in / hr 2023 ft 3:56 AM PDT MADIS
RAWS KONOCTI CA, Clearlake, CA 40 °F 32 °F 33 °F 76% WNW  at  14 mph 0.00 in / hr 2163 ft 3:57 AM PDT MADIS
Home Station, Kelseyville, CA 39.7 °F 40 °F 29 °F 66% North  at  0.0 mph 0.00 in / hr 2800 ft 4:40 AM PDT Normal  
Cobb C.A. STOTTS_3, Cobb, CA 36.5 °F 36 °F 29 °F 73% North  at  2.0 mph 0.00 in / hr 3255 ft 4:53 AM 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