Alta Loma, CA

6:11 AM PDT on May 26, 2012 (GMT -0700)
Elev: 1932 ft
Lon: 117.6° W
Lat: 34.2° N
Source
Rapid Fire Updates™
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Tropical Weather: Tropical Storm Beryl (North Atlantic) Tropical Depression Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Kari Kiefer
Weather Underground Forecast for Saturday, May 26, 2012.

Subtropical Storm Beryl formed late Friday off the Carolina Coast and is expected to move slowly southwestward over the weekend. The storm may maintain tropical storm strength as it approaches the northeast coast of Florida later Sunday night. The storm itself may dump a significant amount of rain on this part of Florida and adjacent areas of Georgia, potentially good news to an area that is currently in an exceptional drought.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.
Weather Underground Forecast for Saturday, May 26, 2012.

Subtropical Storm Beryl formed late Friday off the Carolina Coast and is expected to move slowly southwestward over the weekend. The storm may maintain tropical storm strength as it approaches the northeast coast of Florida later Sunday night. The storm itself may dump a significant amount of rain on this part of Florida and adjacent areas of Georgia, potentially good news to an area that is currently in an exceptional drought.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.
Weather Underground Broadcast Network

Alta Loma Weather at a Glance

Updated 5:53 AM PDT
Weather Station
Riverside (KRAL)
Elevation
817 ft
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Now
Overcast
Overcast
Temperature
54 °F
Feels Like 54 °F
Wind(mph)
0
Sunrise / Set
5:41 AM
7:53 PM
Moon
Waxing Crescent
Today
Partly Cloudy 70 °F
Partly Cloudy
Tonight
Partly Cloudy 50 °F
Partly Cloudy
Tomorrow
Partly Cloudy 79 | 57 °F
Partly Cloudy
Monday
Clear 86 | 54 °F
Clear
Tuesday
Partly Cloudy 82 | 55 °F
Partly Cloudy
Wednesday
Partly Cloudy 84 | 57 °F
Partly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.85 in
Visibility
10.0 miles
Clouds
Scattered Clouds 3000 ft
Overcast 3600 ft
Moisture
Humidity
66%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KRAL 261253Z AUTO 00000KT 10SM SCT030 OVC036 12/06 A2988 RMK AO2 SLP107 T01220061
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
54 °F
Dew Point
43 °F
Wind
Speed / Dir
Calm
Wind Gust
Health
UV
0 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Ozone
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the SW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 79F. Winds from the SSW at 5 to 15 mph shifting to the West in the afternoon.
Sunday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Monday
clear Clear. High of 86F. Winds from the WSW at 5 to 15 mph.
Monday Night
nt_clear Clear in the evening, then partly cloudy. Low of 54F. Winds less than 5 mph.
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear in the evening, then partly cloudy. Low of 55F. Winds less than 5 mph.
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Saturday
partlycloudy Partly cloudy. High of 86F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 57F. Winds from the SW at 5 to 10 mph.
Sunday
partlycloudy Partly cloudy. High of 81F. Winds from the SW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 54F. Winds from the SW at 5 to 10 mph.
Monday
partlycloudy Clear. High of 81F. Winds from the SW at 5 to 15 mph.
Monday Night
nt_clear Partly cloudy. Low of 54F. Winds less than 5 mph.
Tuesday
partlycloudy Partly cloudy. High of 82F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KRAL

Saturday, 26
Partly Cloudy
70 | 50 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
79 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Clear
86 | 54 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
82 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
84 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
91 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
86 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Partly Cloudy
86 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Partly Cloudy
81 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 4
Partly Cloudy
81 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 70F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the SW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 44 66 | 47 59 | 42 51 | 46
Wind 5 mph South 9 mph WSW 13 mph West 4 mph North
Humidity 85% 48% 55% 85%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 45% 68% 22% 46%
Conditions Partly Cloudy Mostly Cloudy Clear Partly Cloudy
Sunrise & Sunset
5:41 AM
7:53 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.84], Average RMSE [1.39]
The National Weather Service forecast quality is good. MaxT RMSE [1.81], Average RMSE [1.69] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 79F. Winds from the SSW at 5 to 15 mph shifting to the West in the afternoon.
Sunday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 48 68 | 45 71 | 48 60 | 50
Wind 5 mph ESE 6 mph West 10 mph West 2 mph ESE
Humidity 90% 45% 45% 68%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 47% 26% 7% 3%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:41 AM
7:54 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.40], Average RMSE [1.33]
The National Weather Service forecast quality is good. MaxT RMSE [2.31], Average RMSE [2.05] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Monday
clear Clear. High of 86F. Winds from the WSW at 5 to 15 mph.
Monday Night
nt_clear Clear in the evening, then partly cloudy. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 47 77 | 47 78 | 51 61 | 53
Wind 2 mph SSE 6 mph WNW 11 mph West 2 mph ESE
Humidity 64% 36% 39% 70%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 9% 12% 6% 8%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.84], Average RMSE [1.88]
The National Weather Service forecast quality is fair. MaxT RMSE [2.92], Average RMSE [2.27] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear in the evening, then partly cloudy. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 51 76 | 53 77 | 50 61 | 54
Wind 1 mph ESE 9 mph SW 9 mph SW 1 mph ESE
Humidity 76% 44% 40% 79%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 43% 52% 1% 7%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.73], Average RMSE [2.12]
The National Weather Service forecast quality is poor. MaxT RMSE [3.78], Average RMSE [2.33] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Wednesday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 50 76 | 53 80 | 57 63 | 56
Wind 2 mph NNW 9 mph SW 9 mph SW 1 mph NNW
Humidity 77% 45% 45% 80%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 39% 49% 7% 7%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.79], Average RMSE [2.21]
The National Weather Service forecast quality is poor. MaxT RMSE [4.39], Average RMSE [2.32] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 55 79 | 55 79 | 55 64 | 59
Wind 2 mph NW 10 mph SW 9 mph SW 1 mph SSE
Humidity 82% 44% 44% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 40% 47% 1% 13%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.32], Average RMSE [2.07]
The National Weather Service forecast quality is poor. MaxT RMSE [5.05], Average RMSE [2.24] : Use NWS
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 59 78 | 57 79 | 56 61 | 57
Wind 1 mph WNW 10 mph SW 10 mph SW 2 mph South
Humidity 88% 49% 46% 88%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 54% 53% 10% 17%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.57], Average RMSE [2.04]
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 86F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 57F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 58 77 | 65 79 | 60 62 | 60
Wind 2 mph South 9 mph SW 9 mph SW 4 mph SW
Humidity 90% 67% 54% 91%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 43% 50% 6% 10%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.09], Average RMSE [1.84]
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 81F. Winds from the SW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 54F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 58 74 | 56 72 | 55 60 | 53
Wind 3 mph SW 5 mph SSW 10 mph WSW 5 mph SW
Humidity 96% 55% 53% 79%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 59% 56% 17% 16%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.30], Average RMSE [1.98]
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Monday
partlycloudy Clear. High of 81F. Winds from the SW at 5 to 15 mph.
Monday Night
nt_clear Partly cloudy. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 47 68 | 54 72 | 53 60 | 47
Wind 3 mph SW 4 mph SW 10 mph WSW 4 mph SW
Humidity 73% 59% 50% 62%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 27% 15% 4% 16%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
Source: BestForecast at 12:30 AM PDT on May 26, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy. High of 82F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 47 70 | 54 75 | 53 58 | 44
Wind 2 mph West 3 mph SW 9 mph WSW 3 mph SW
Humidity 71% 56% 46% 57%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 28% 17% 6% %
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:56 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Record Report  (US Severe Weather)
History & Almanac
May 26, 2012 Max Temp Min Temp
Normal (KONT) 82 °F 55 °F
Record (KONT) 101 °F (1974) 39 °F (1980)
Yesterday 71 °F 59 °F
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Calexico, CA 153 miles 2.5 11:58 PM PDT
2012-05-24
Barstow, CA 73 miles 3.2 10:45 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
Current Good
OZONE
Sunday Good
OZONE
Sunday Good
PM10
Sunday Good
CO
Sunday Good
NO2
Astronomy
May. 26, 2012 Rise Set
Actual Time 5:41 AM PDT 7:53 PM PDT
Civil Twilight 5:13 AM PDT 8:22 PM PDT
Nautical Twilight 4:38 AM PDT 8:56 PM PDT
Astronomical Twilight 4:00 AM PDT 9:34 PM PDT
Moon 10:41 AM PDT No Moon Set
Length Of Visible Light 15h 08m
Length of Day
14h 11m
Tomorrow will be 1m 5s longer.
Waxing Crescent, 27% 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
68 °F
Needles
62 °F
Blythe
62 °F
Thermal
61 °F
Palm Springs
60 °F
North Island
28 °F
Big Bear City
32 °F
Truckee-Tahoe
32 °F
South Lake Tahoe
35 °F
Sandberg
35 °F
Blue Canyon
Record Extremes
Snow Depth
Station Depth Elevation
Virginia Lakes Ridge 0 in 9200 ft
Leavitt Lake 21 in 9400 ft
Leavitt Meadows 1 in 7200 ft
Sonora Pass 1 in 8800 ft
Lobdell Lake 1 in 9200 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Hot Water Music and Touche Amore 7:00 PM PDT 2012-05-26 Partly Cloudy, 59°F
align | kingdom integration lab 10:00 AM PDT 2012-05-26 Partly Cloudy, 53°F
align | kingdom integration lab 2:00 PM PDT 2012-05-26 Partly Cloudy, 61°F
Ontario Warriors Indoor Football: Ontario vs. Las Vegas 7:00 PM PDT 2012-05-28 Clear, 72°F
Pass Business, Make Money, Develop Friendships and Eat Breakfast 7:00 AM PDT 2012-05-30 Partly Cloudy, 58°F
Inland Cities West Monthly Business Mixer 6:00 PM PDT 2012-05-30 Clear, 77°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Ontario 50 °F Scattered Clouds 5:53 AM PDT
La Verne This station is not reporting.
Chino 52 °F Mostly Cloudy 6:07 AM PDT
Riverside 54 °F Overcast 5:53 AM PDT
View all Aviation Tools
Flight To ETA Status
UPS916
Albuquerque, NM 		KONT 06:45AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KRAL)
Wind Speed: 0.0 kts.
Wind Dir: N/A
Ceiling: 3600 ft

METAR KRAL 261253Z AUTO 00000KT 10SM SCT030 OVC036 12/06 A2988 RMK AO2 SLP107 T01220061

View all Reports & Maps
Sports
Event Date Forecast
Padres vs. Mets 1:10 PM EDT on May 26, 2012 Chance of a Thunderstorm, 83 °F
Tigers vs. Twins 6:10 PM UTC on May 26, 2012 Chance of a Thunderstorm, 67 °F
Event Date Forecast
Almería vs. CD Guadalajara 6:00 AM EDT on May 26, 2012 Forecast not available.
Huesca vs. Deportivo 12:00 PM CEST on May 26, 2012 Chance of Rain, High 62° F/ 17° C
Event Date Forecast
Auto Club 400 12:16 PM PDT on March 25, 2012 Rain, 52 °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 26, 2012 Mostly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 27, 2012 Mostly Cloudy, 70 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Amethyst at Manzanita, Alta Loma, CA 48.7 °F 49 °F 44 °F 83% West  at  0.0 mph 0.00 in / hr 1775 ft 6:11 AM PDT Rapid Fire  
APRSWXNET Rancho Cucamonga CA , Upland, CA 47 °F 47 °F 43 °F 87% West  at  0 mph 0.00 in / hr 1959 ft 5:48 AM PDT MADIS
Milliken/Mountain View, Rancho Cucamonga, CA 53.2 °F - 41 °F 64% North  at  0.0 mph 0.00 in / hr 1295 ft 6:02 AM PDT Normal  
San Antonio Heights, Upland, CA 46.3 °F 46 °F 42 °F 86% NW  at  0.0 mph 0.00 in / hr 2000 ft 6:11 AM PDT Rapid Fire  
MesoWest Upland , Upland, CA 47 °F 47 °F 42 °F 83% NW  at  2 mph 0.00 in / hr 1243 ft 5:00 AM PDT MADIS
Arrow / Vineyard, Rancho Cucamonga, CA 50.7 °F - 42 °F 73% North  at  0.0 mph 0.00 in / hr 1173 ft 6:11 AM PDT Rapid Fire  
23rd and Mountain, Upland, CA 46.8 °F 47 °F 42 °F 82% West  at  0.0 mph 0.00 in / hr 2000 ft 6:10 AM PDT Rapid Fire
Looking Glass Estates, Upland, CA 47.7 °F 48 °F 40 °F 76% North  at  0.0 mph 0.00 in / hr 1774 ft 6:11 AM PDT Rapid Fire  
210/15 fwys, Rancho Cucamonga, CA 49.6 °F 50 °F 43 °F 80% North  at  0.0 mph 0.00 in / hr 1450 ft 6:11 AM PDT Rapid Fire  
RAWS CLAREMONT CA, Claremont, CA 47 °F 47 °F 45 °F 94% NW  at  2 mph 0.00 in / hr 1645 ft 4:55 AM PDT MADIS
The Villiages, Fontana, CA 50.1 °F - - - North  at  0.0 mph 0.00 in / hr 1309 ft 6:11 AM PDT Normal  
Claremont North of Baseline, Claremont, CA 46.1 °F 46 °F 44 °F 93% NNE  at  0.0 mph 0.00 in / hr 1531 ft 6:10 AM PDT Normal  
APRSWXNET Ontario CA, Montclair, CA 47 °F 47 °F 41 °F 79% South  at  0 mph 0.00 in / hr 1145 ft 5:21 AM PDT MADIS
Claremont (Eagle Grove), Claremont, CA 46.4 °F 46 °F 46 °F 98% NW  at  0.0 mph - / hr 1256 ft 6:10 AM PDT Normal
Citrus Heights, Fontana, CA 50.9 °F - 31 °F 46% WSW  at  0.0 mph 0.00 in / hr 1550 ft 6:11 AM PDT Normal  
Werner Ent. Fontana, Fontana, CA 52.5 °F - 44 °F 73% WNW  at  0.0 mph 0.00 in / hr 1012 ft 6:11 AM PDT Rapid Fire  
Claremont-Claraboya, Claremont, CA 49.8 °F 50 °F 46 °F 85% NNW  at  0.0 mph 0.00 in / hr 1505 ft 6:11 AM PDT Normal
RAWS LYTLE CREEK CA, Lytle Creek, CA 45 °F 45 °F 40 °F 81% NE  at  0 mph 0.00 in / hr 2791 ft 5:05 AM PDT MADIS
Southwest Fontana, Fontana, CA 51.6 °F - 42 °F 69% NW  at  0.0 mph 0.00 in / hr 994 ft 6:11 AM PDT Rapid Fire  
APRSWXNET Claremont CA , Claremont, CA 47 °F 47 °F 44 °F 89% South  at  0 mph 0.00 in / hr 984 ft 5:49 AM PDT MADIS
Geneva, Claremont, CA 47.7 °F 48 °F 45 °F 89% SE  at  0.0 mph 0.00 in / hr 1043 ft 6:02 AM PDT Normal  
La Verne Heights, La Verne, CA 48.2 °F 48 °F 42 °F 80% NNE  at  0.0 mph 0.00 in / hr 1467 ft 6:10 AM PDT Normal  
RAWS TANBARK CA, La Verne, CA 39 °F 39 °F 39 °F 100% NW  at  1 mph 0.00 in / hr 2600 ft 5:01 AM PDT MADIS
La Verne (Eastside), La Verne, CA 48.7 °F 49 °F 45 °F 86% SE  at  0.0 mph 0.00 in / hr 1050 ft 6:10 AM PDT Normal  
La Verne, CA 50.4 °F - 41 °F 70% NW  at  0.0 mph 0.00 in / hr 1200 ft 6:11 AM PDT Rapid Fire
rialto airport, Rialto, CA 50.1 °F - 43 °F 77% SE  at  4.0 mph 0.00 in / hr 1465 ft 6:11 AM PDT Rapid Fire  
RAWS DEVORE CA, San Bernardino, CA 47 °F 44 °F 42 °F 82% SE  at  6 mph 0.00 in / hr 2081 ft 5:10 AM PDT MADIS
MesoWest Johnstone Peak , Glendora, CA 42 °F 42 °F 40 °F 94% East  at  2 mph 0.00 in / hr 2815 ft 5:28 AM PDT MADIS
Cat Crossing Ink, Rialto, CA 52.0 °F - 42 °F 69% SSE  at  1.2 mph 0.00 in / hr 1125 ft 6:11 AM PDT Rapid Fire
MesoWest Fontana-Arrow Highway , Fontana, CA 47 °F 47 °F 41 °F 79% WNW  at  2 mph 0.00 in / hr 928 ft 5:00 AM PDT MADIS
Pomona Historic Lincoln Park, Pomona, CA 49.7 °F 50 °F 45 °F 84% SE  at  0.0 mph 0.00 in / hr 911 ft 6:11 AM PDT Rapid Fire  
MesoWest Pomona , Pomona, CA - - - - SSE  at  2 mph 0.00 in / hr 886 ft 5:00 AM PDT MADIS
Enclos Corp., Pomona, CA 52.5 °F - 47 °F 81% South  at  1.0 mph 0.00 in / hr 806 ft 6:11 AM PDT Normal  
MesoWest Mira Loma Van Buren , Mira Loma, CA 54 °F - 46 °F 75% NE  at  1 mph 0.00 in / hr 757 ft 5:00 AM PDT MADIS
Weather in, Eastvale, CA 52.4 °F - 44 °F 72% North  at  0.0 mph 0.00 in / hr 643 ft 6:11 AM PDT Rapid Fire  
RAWS MORMON ROCK CA, Lytle Creek, CA 37 °F 37 °F 31 °F 79% WNW  at  0 mph 0.00 in / hr 3299 ft 5:23 AM PDT MADIS
HADS MIDDLE FORK LYTLE CK PRECIP SITE CA, Lytle Creek, CA - - - - North  at  - 0.00 in / hr 3740 ft 4:45 AM PDT MADIS
Mt Baldy, Mt Baldy, CA 36.3 °F 36 °F 32 °F 83% WNW  at  0.0 mph - / hr 4100 ft 6:02 AM PDT Normal
HADS RIDGE TOP PRECIPITATION GAGE NEA CA, Cedarpines Park, CA - - - - North  at  - 0.00 in / hr 5149 ft 4:45 AM PDT MADIS
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Record Report
Mobile & Email Alerts Statement as of 5:40 PM PDT on May 25, 2012

... Lowest maximum temperature records broken or tied on may 25...

Location new record old record period of record

El Cajon 64 tied 64 in 1987 since 1979
Escondido 62 63 in 1995 since 1979
Vista 63 66 in 2008 since 1957


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