Fontana, CA

4:52 AM PDT on May 25, 2012 (GMT -0700)
Elev: 1309 ft
Lon: 117.4° W
Lat: 34.1° N
Source
Rapid Fire Updates™
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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

Fontana Weather at a Glance

Updated 4:52 AM PDT
Weather Station - report
rialto airport, Rialto
Elevation
1465 ft
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Now
Overcast
Overcast
Temperature
56.3 °F
Feels Like 56.3 °F
Wind(mph)
4.0
Sunrise / Set
5:41 AM
7:52 PM
Moon
Waxing Crescent
Today
Chance of Rain 61 °F
Chance of Rain
30% chance of precipitation
Tonight
Chance of Rain 46 °F
Chance of Rain
30% chance of precipitation
Tomorrow
Partly Cloudy 63 | 54 °F
Partly Cloudy
Sunday
Partly Cloudy 75 | 52 °F
Partly Cloudy
Monday
Clear 79 | 55 °F
Clear
Tuesday
Clear 81 | 55 °F
Clear
Today is forecast to be Much Warmer than yesterday.
Conditions
Pressure
29.68 in
Visibility
10.0 miles
Clouds
Overcast 1800 ft
Moisture
Humidity
85%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KONT 251053Z 27007KT 10SM OVC018 15/11 A2970 RMK AO2 SLP049 T01500111
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
56.3 °F
Dew Point
52 °F
Wind
Speed / Dir
4.0 mph from SSW
Wind Gust
11.0 mph
Health
UV
0 out of 16
Pollen
4.80 out of 12
Pollen Forecast
Ozone
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Friday
chancerain Overcast with a chance of rain. High of 61F. Winds from the SSW at 10 to 15 mph. Chance of rain 30%.
Friday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 46F. Winds from the ESE at 5 to 15 mph. Chance of rain 30%.
Saturday
partlycloudy Partly cloudy. High of 63F. Winds from the SSW at 10 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 54F. Winds from the WSW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy. Fog early. High of 75F. Winds from the SSE at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 52F. Winds less than 5 mph.
Monday
clear Clear. High of 79F. Winds from the WNW at 5 to 15 mph shifting to the SW in the afternoon.
Monday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Tuesday
clear Clear. High of 81F. Winds from the SW at 5 to 15 mph.
Tuesday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Wednesday
clear Clear. High of 86F. Winds from the West at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Thursday
clear Clear. High of 93F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 59F. Winds less than 5 mph.
Friday
clear Clear. High of 90F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Saturday
clear Clear. High of 82F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Sunday
clear Clear. High of 77F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Monday
clear Clear. High of 73F. Winds less than 5 mph.
Monday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KCARIALT7

Friday, 25
Chance of Rain
61 | 46 °F
Chance of Rain
Chance of
Precipitation
30%
Saturday, 26
Partly Cloudy
63 | 54 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 27
Partly Cloudy
75 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Clear
79 | 55 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Clear
81 | 55 °F
Clear
Chance of
Precipitation
0%
Wednesday, 30
Clear
86 | 63 °F
Clear
Chance of
Precipitation
0%
Thursday, 31
Clear
93 | 59 °F
Clear
Chance of
Precipitation
0%
Friday, 1
Clear
90 | 63 °F
Clear
Chance of
Precipitation
0%
Saturday, 2
Clear
82 | 63 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Clear
77 | 55 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Friday
chancerain Overcast with a chance of rain. High of 61F. Winds from the SSW at 10 to 15 mph. Chance of rain 30%.
Friday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 46F. Winds from the ESE at 5 to 15 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 54 58 | 50 57 | 45 47 | 41
Wind 7 mph SE 10 mph South 13 mph SW 2 mph SE
Humidity 93% 73% 63% 83%
Chance of Precip. 20% 20% 30% 30%
Cloud Cover 98% 84% 59% 68%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
5:41 AM
7:52 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.42], Average RMSE [1.90]
The National Weather Service forecast quality is poor. MaxT RMSE [3.79], Average RMSE [1.88] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 63F. Winds from the SSW at 10 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 54F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 49 | 45 56 | 40 61 | 48 52 | 52
Wind 5 mph ENE 10 mph SW 13 mph WSW 6 mph WSW
Humidity 84% 55% 64% 99%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 62% 28% 28% 35%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Fog
Sunrise & Sunset
5:41 AM
7:52 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.28], Average RMSE [2.61]
The National Weather Service forecast quality is poor. MaxT RMSE [3.78], Average RMSE [1.75] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. Fog early. High of 75F. Winds from the SSE at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 52F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 53 66 | 46 70 | 45 58 | 46
Wind 1 mph WSW 5 mph ENE 6 mph SW 1 mph West
Humidity 99% 51% 40% 65%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 35% 5% 5% 0%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:53 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.31], Average RMSE [2.26]
The National Weather Service forecast quality is poor. MaxT RMSE [4.39], Average RMSE [1.91] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 79F. Winds from the WNW at 5 to 15 mph shifting to the SW in the afternoon.
Monday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 49 74 | 46 77 | 51 58 | 44
Wind 4 mph North 7 mph SSW 11 mph SW 2 mph South
Humidity 70% 37% 40% 57%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.26], Average RMSE [2.24]
The National Weather Service forecast quality is poor. MaxT RMSE [4.54], Average RMSE [2.43] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 81F. Winds from the SW at 5 to 15 mph.
Tuesday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 58 | 48 74 | 47 78 | 56 60 | 53
Wind 1 mph SSW 8 mph SW 10 mph SW 1 mph SSW
Humidity 68% 38% 46% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.33], Average RMSE [1.93]
The National Weather Service forecast quality is poor. MaxT RMSE [5.12], Average RMSE [2.09] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 86F. Winds from the West at 5 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 49 78 | 52 83 | 58 64 | 50
Wind 2 mph NW 6 mph WSW 9 mph SW 2 mph WNW
Humidity 69% 40% 42% 59%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.32], Average RMSE [2.26]
The National Weather Service forecast quality is poor. MaxT RMSE [6.09], Average RMSE [2.43] : Use NWS
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Thursday
clear Clear. High of 93F. Winds from the West at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 59 85 | 51 84 | 56 67 | 49
Wind 2 mph NNW 5 mph WSW 8 mph WSW 1 mph West
Humidity 78% 30% 42% 54%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.19], Average RMSE [2.25]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Friday
clear Clear. High of 90F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 53 87 | 55 84 | 56 -9998 | -9998
Wind 2 mph WNW 8 mph SW 8 mph WSW -9998 mph North
Humidity 59% 33% 42% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 6%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [6.84], Average RMSE [6.05]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Saturday
clear Clear. High of 82F. Winds less than 5 mph.
Saturday Night
nt_clear Clear. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 53 87 | 55 84 | 56 -9998 | -9998
Wind 2 mph WNW 8 mph SW 8 mph WSW -9998 mph North
Humidity 59% 33% 42% 72%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 0% 0% 0% 9%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.48], Average RMSE [6.43]
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 77F. Winds less than 5 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 53 87 | 55 84 | 56 -9998 | -9998
Wind 2 mph WNW 8 mph SW 8 mph WSW -9998 mph North
Humidity 59% 33% 42% 53%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
Source: BestForecast at 1:15 AM PDT on May 25, 2012
Descriptive Forecast
Monday
clear Clear. High of 73F. Winds less than 5 mph.
Monday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 53 87 | 55 84 | 56 -9998 | -9998
Wind 2 mph WNW 8 mph SW 8 mph WSW -9998 mph North
Humidity 59% 33% 42% 48%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:54 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 25, 2012 Max Temp Min Temp
Normal (KONT) 82 °F 54 °F
Record (KONT) 109 °F (1974) 40 °F (1980)
Yesterday 75 °F 59 °F
Yesterday's Cooling Degree Days: 2
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Calexico, CA 145 miles 2.5 11:58 PM PDT
2012-05-24
Barstow, CA 70 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
Friday Moderate
OZONE
Friday Good
PM10
Friday Good
CO
Friday Good
NO2
Astronomy
May. 25, 2012 Rise Set
Actual Time 5:41 AM PDT 7:52 PM PDT
Civil Twilight 5:13 AM PDT 8:20 PM PDT
Nautical Twilight 4:38 AM PDT 8:55 PM PDT
Astronomical Twilight 4:01 AM PDT 9:32 PM PDT
Moon 9:42 AM PDT 11:35 PM PDT
Length Of Visible Light 15h 07m
Length of Day
14h 10m
Tomorrow will be 1m 7s 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
Leavitt Lake 19 in 9400 ft
Leavitt Meadows 1 in 7200 ft
Sonora Pass 0 in 8800 ft
Summit Meadow 2 in 9122 ft
Poison Flat 0 in 7900 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
Ontario 59 °F Overcast 3:53 AM PDT
Riverside 61 °F Overcast 4:39 AM PDT
San Bernardino This station is not reporting.
Chino 60 °F Overcast 3:53 AM PDT
View all Aviation Tools
Flight To ETA Status
UPS918
Louisville, KY 		KONT 04:46AM On Time
UPS918
 KONT 04:47AM On Time
FDX1438
 KONT 04:54AM On Time
FDX1438
Memphis, TN 		KONT 04:54AM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: MVFR (KONT)
Wind Speed: 7.0 kts.
Wind Dir: 204° (SSW)
Ceiling: 1800 ft

METAR KONT 251053Z 27007KT 10SM OVC018 15/11 A2970 RMK AO2 SLP049 T01500111

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
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 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
The Villiages, Fontana, CA 57.3 °F - - - NW  at  5.0 mph 0.00 in / hr 1309 ft 4:51 AM PDT Normal  
rialto airport, Rialto, CA 56.3 °F - 52 °F 85% SSW  at  4.0 mph 0.00 in / hr 1465 ft 4:52 AM PDT Rapid Fire  
Citrus Heights, Fontana, CA 57.2 °F - 45 °F 63% WNW  at  0.0 mph 0.00 in / hr 1550 ft 4:51 AM PDT Normal  
MesoWest Fontana-Arrow Highway , Fontana, CA 57 °F - 52 °F 83% WSW  at  7 mph 0.00 in / hr 928 ft 2:00 AM PDT MADIS
Cat Crossing Ink, Rialto, CA 58.0 °F - 50 °F 74% SSE  at  3.2 mph 0.00 in / hr 1125 ft 4:52 AM PDT Rapid Fire
Southwest Fontana, Fontana, CA 58.9 °F - 50 °F 72% WNW  at  3.0 mph 0.00 in / hr 994 ft 4:52 AM PDT Rapid Fire  
Werner Ent. Fontana, Fontana, CA 59.1 °F - 52 °F 78% West  at  6.0 mph 0.00 in / hr 1012 ft 4:51 AM PDT Rapid Fire  
210/15 fwys, Rancho Cucamonga, CA 55.7 °F - 51 °F 83% North  at  0.0 mph 0.00 in / hr 1450 ft 4:52 AM PDT Rapid Fire  
Etiwanda Estates, Etiwanda, CA 56.8 °F - 50 °F 78% SSE  at  0.0 mph 0.00 in / hr 1620 ft 4:51 AM PDT Normal
Milliken/Mountain View, Rancho Cucamonga, CA 60.1 °F - 48 °F 64% WSW  at  4.0 mph 0.00 in / hr 1295 ft 4:46 AM PDT Normal  
MesoWest Riverside-Rubidoux , Riverside, CA 58 °F - 50 °F 75% WNW  at  3 mph 0.00 in / hr 819 ft 2:00 AM PDT MADIS
MesoWest San Bernardino , San Bernardino, CA 59 °F - 54 °F 82% North  at  0 mph 0.00 in / hr 1049 ft 3:49 AM PDT MADIS
MesoWest Mira Loma Van Buren , Mira Loma, CA 61 °F - 56 °F 83% West  at  6 mph 0.00 in / hr 757 ft 2:00 AM PDT MADIS
MesoWest Jurupa Valley , Riverside, CA 59 °F - 55 °F 86% North  at  0 mph 0.00 in / hr 794 ft 3:49 AM PDT MADIS
RAWS DEVORE CA, San Bernardino, CA 54 °F - 53 °F 95% SE  at  6 mph 0.00 in / hr 2081 ft 4:10 AM PDT MADIS
HADS E STREET PRECIP GAUGE AT SAN BER CA, San Bernardino, CA - - - - North  at  - 0.00 in / hr 984 ft 3:45 AM PDT MADIS
MesoWest San Bernardino-CSU , San Bernardino, CA 57 °F - 53 °F 86% SW  at  3 mph 0.00 in / hr 1520 ft 3:49 AM PDT MADIS
CSUSB, San Bernardino, CA 54.7 °F - 53 °F 93% South  at  1.0 mph 0.00 in / hr 1650 ft 4:50 AM PDT Normal  
MesoWest San Bernardino , San Bernardino, CA 60 °F - 54 °F 81% SW  at  5 mph 0.00 in / hr 1000 ft 2:00 AM PDT MADIS
Amethyst at Manzanita, Alta Loma, CA 55.2 °F - 54 °F 95% SW  at  2.0 mph 0.00 in / hr 1775 ft 4:52 AM PDT Normal  
Arrow / Vineyard, Rancho Cucamonga, CA 57.9 °F - 51 °F 79% WSW  at  2.5 mph 0.00 in / hr 1173 ft 4:51 AM PDT Rapid Fire  
WR6G Magnolia Center, Riverside, CA 59.1 °F - 54 °F 84% East  at  0.0 mph 0.00 in / hr 820 ft 4:51 AM PDT Normal  
MesoWest Upland , Upland, CA 55 °F - 53 °F 92% West  at  6 mph 0.00 in / hr 1243 ft 2:00 AM PDT MADIS
MesoWest Riverside-Magnolia , Riverside, CA 61 °F - 55 °F 82% North  at  - 0.00 in / hr 846 ft 2:00 AM PDT MADIS
APRSWXNET Rancho Cucamonga CA , Upland, CA 54 °F - 53 °F 96% NW  at  0 mph 0.00 in / hr 1959 ft 4:13 AM PDT MADIS
Weather in, Eastvale, CA 60.5 °F - 52 °F 74% North  at  0.0 mph 0.00 in / hr 643 ft 4:52 AM PDT Rapid Fire  
Top of Sycamore Canyon, Riverside, CA 56.8 °F - 53 °F 88% ENE  at  2.2 mph 0.00 in / hr 1445 ft 4:52 AM PDT Rapid Fire  
La Sierra, Riverside, CA 60.4 °F - 45 °F 57% ESE  at  2.3 mph 0.00 in / hr 724 ft 4:52 AM PDT Rapid Fire
San Antonio Heights, Upland, CA 52.9 °F - 52 °F 96% West  at  6.0 mph 0.00 in / hr 2000 ft 4:52 AM PDT Rapid Fire  
RAWS LYTLE CREEK CA, Lytle Creek, CA 54 °F - 51 °F 91% West  at  3 mph 0.00 in / hr 2791 ft 4:05 AM PDT MADIS
HADS MIDDLE FORK LYTLE CK PRECIP SITE CA, Lytle Creek, CA - - - - North  at  - 0.00 in / hr 3740 ft 3:45 AM PDT MADIS
MesoWest Lake Gregory , Crestline, CA 47 °F 44 °F 47 °F 100% SE  at  7 mph 0.00 in / hr 4550 ft 2:00 AM PDT MADIS
HADS RIDGE TOP PRECIPITATION GAGE NEA CA, Cedarpines Park, CA - - - - North  at  - 0.02 in / hr 5149 ft 3:45 AM PDT MADIS
MesoWest Crestline , Crestline, CA 46 °F 42 °F 45 °F 95% SE  at  8 mph 0.00 in / hr 5100 ft 3:53 AM PDT MADIS
MesoWest Crestline Ridge , Cedarpines Park, CA 43 °F 34 °F 42 °F 97% SSW  at  24 mph 0.08 in / hr 5299 ft 3:44 AM PDT MADIS
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