Grand Canyon, AZ

8:49 AM MST on May 20, 2012 (GMT -0700)
Elev: 6909 ft
Lon: 112.1° W
Lat: 36.1° N
Source
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 Updated 7:54 AM MST Get Free Weather Stickers® Share:
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Tropical Weather: Tropical Storm Alberto (North Atlantic) Invest 92 (East Pacific)
Weather Summary
Shaun Tanner
Weather Underground Forecast for Sunday, May 20, 2012. The tropical season got off to a bit of an early start on Saturday as a tropical disturbance off the Carolina Coast became Tropical Storm Alberto. The storm is expected to slowly make its way up the eastern seaboard over the next couple of days, possibly skirting the Outer Banks of North Carolina. Rain and thunderstorms could make their way to the Mid-Atlantic coast as the storm moves northeastward. For more information on this storm, please see http://www.wunderground.com/tropical/.

Meanwhile, a cold front will move through the Plains on its way into the Upper Midwest and Mississippi Valley. This front will provide rain and thunderstorms from Oklahoma through Michigan. Some of these thunderstorms could turn severe, so residents in the Plains should stay on alert for any thunderstorm development in their area. Cool air will spill into the Northern Plains and Upper Midwest behind this front, bringing cool overnight temperatures to the Dakotas and Minnesota.

Also, mostly sunny skies are expected for California and the Southwest, making for nice viewing conditions for the solar eclipse. The eclipse will begin just after 5:00 p.m. Pacific time, and should be able to be viewed from California through western Texas.

The Northeast will rise into the 70s and 80s, while the Southeast will see temperatures in the 80s and 90s. The Mississippi Valley will also rise into the 80s and 90s, while the Southwest will see temperatures in the 90s and 100s.
Weather Underground Forecast for Sunday, May 20, 2012. The tropical season got off to a bit of an early start on Saturday as a tropical disturbance off the Carolina Coast became Tropical Storm Alberto. The storm is expected to slowly make its way up the eastern seaboard over the next couple of days, possibly skirting the Outer Banks of North Carolina. Rain and thunderstorms could make their way to the Mid-Atlantic coast as the storm moves northeastward. For more information on this storm, please see http://www.wunderground.com/tropical/.

Meanwhile, a cold front will move through the Plains on its way into the Upper Midwest and Mississippi Valley. This front will provide rain and thunderstorms from Oklahoma through Michigan. Some of these thunderstorms could turn severe, so residents in the Plains should stay on alert for any thunderstorm development in their area. Cool air will spill into the Northern Plains and Upper Midwest behind this front, bringing cool overnight temperatures to the Dakotas and Minnesota.

Also, mostly sunny skies are expected for California and the Southwest, making for nice viewing conditions for the solar eclipse. The eclipse will begin just after 5:00 p.m. Pacific time, and should be able to be viewed from California through western Texas.

The Northeast will rise into the 70s and 80s, while the Southeast will see temperatures in the 80s and 90s. The Mississippi Valley will also rise into the 80s and 90s, while the Southwest will see temperatures in the 90s and 100s.
Weather Underground Broadcast Network

Grand Canyon Weather at a Glance

Updated 7:54 AM MST
Weather Station
Grand Canyon (KGCN)
Elevation
6608 ft
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Now
Clear
Clear
Temperature
67 °F
Feels Like 67 °F
Wind(mph)
9
Sunrise / Set
5:18 AM
7:32 PM
Moon
Waning Crescent
Today
Clear 79 °F
Clear
Tonight
Clear 32 °F
Clear
Tomorrow
Clear 82 | 34 °F
Clear
Tuesday
Clear 84 | 43 °F
Clear
Wednesday
Clear 79 | 37 °F
Clear
Thursday
Clear 73 | 34 °F
Clear
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.02 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
14%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KGCN 201454Z 08008KT 10SM CLR 19/M09 A3025 RMK AO2 SLP165 T01941089 52011
Don't speak METAR? Read our FAQ.
Weather Radio
Weather Radio Index
Temperature
Temperature
67 °F
Dew Point
16 °F
Wind
Speed / Dir
9 mph from East
Wind Gust
Health
UV
3 out of 16
Pollen
5.00 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Sunday
clear Clear. High of 79F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 32F. Winds from the SE at 10 to 15 mph.
Monday
clear Clear in the morning, then partly cloudy. High of 82F. Breezy. Winds from the SSW at 10 to 20 mph.
Monday Night
nt_clear Clear. Low of 34F. Winds from the SW at 10 to 15 mph.
Tuesday
clear Clear. High of 84F. Windy. Winds from the WSW at 15 to 25 mph with gusts to 40 mph.
Tuesday Night
nt_clear Clear. Low of 43F. Breezy. Winds from the SW at 10 to 20 mph.
Wednesday
clear Clear. High of 79F. Breezy. Winds from the WSW at 15 to 20 mph.
Wednesday Night
nt_clear Clear. Low of 37F. Winds from the WSW at 5 to 15 mph.
Thursday
clear Clear. High of 73F. Windy. Winds from the SW at 20 to 30 mph.
Thursday Night
nt_clear Clear. Low of 34F. Winds from the SSW at 10 to 15 mph.
Friday
clear Clear. High of 77F. Windy. Winds from the SSW at 20 to 30 mph.
Friday Night
nt_clear Clear. Low of 34F. Breezy. Winds from the SSW at 10 to 20 mph.
Saturday
clear Clear. High of 75F. Breezy. Winds from the SSW at 15 to 25 mph.
Saturday Night
nt_clear Clear. Low of 41F. Winds from the South at 5 to 15 mph.
Sunday
clear Clear. High of 73F. Windy. Winds from the SSW at 30 to 35 mph.
Sunday Night
nt_clear Clear. Low of 30F. Winds from the WSW at 5 to 10 mph.
Monday
clear Clear. High of 72F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 36F. Winds less than 5 mph.
Tuesday
clear Clear. High of 75F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 37F. Winds less than 5 mph.
Wednesday
clear Clear. High of 77F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 37F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KGCN

Sunday, 20
Clear
79 | 32 °F
Clear
Chance of
Precipitation
0%
Monday, 21
Clear
82 | 34 °F
Clear
Chance of
Precipitation
0%
Tuesday, 22
Clear
84 | 43 °F
Clear
Chance of
Precipitation
0%
Wednesday, 23
Clear
79 | 37 °F
Clear
Chance of
Precipitation
0%
Thursday, 24
Clear
73 | 34 °F
Clear
Chance of
Precipitation
0%
Friday, 25
Clear
77 | 34 °F
Clear
Chance of
Precipitation
0%
Saturday, 26
Clear
75 | 41 °F
Clear
Chance of
Precipitation
0%
Sunday, 27
Clear
73 | 30 °F
Clear
Chance of
Precipitation
0%
Monday, 28
Clear
72 | 36 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Clear
75 | 37 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Sunday
clear Clear. High of 79F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 32F. Winds from the SE at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 13 | 70 | 6 41 | 17
Wind 3 mph ENE mph 8 mph WSW 11 mph ESE
Humidity 26% % 9% 37%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 4% % 3% 1%
Conditions Clear Clear Clear
Sunrise & Sunset
5:18 AM
7:32 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.27], Average RMSE [2.09]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.03], Average RMSE [2.90] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Monday
clear Clear in the morning, then partly cloudy. High of 82F. Breezy. Winds from the SSW at 10 to 20 mph.
Monday Night
nt_clear Clear. Low of 34F. Winds from the SW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 19 81 | 12 76 | 10 46 | 17
Wind 9 mph ESE 13 mph SSW 16 mph SW 11 mph SW
Humidity 38% 7% 8% 30%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 3% 3% 6%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:18 AM
7:32 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.49], Average RMSE [1.80]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.29], Average RMSE [3.08] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 84F. Windy. Winds from the WSW at 15 to 25 mph with gusts to 40 mph.
Tuesday Night
nt_clear Clear. Low of 43F. Breezy. Winds from the SW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 14 81 | 11 77 | 15 51 | 13
Wind 12 mph SW 20 mph WSW 22 mph WSW 13 mph SW
Humidity 32% 7% 9% 21%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 16% 2% 7% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:17 AM
7:33 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.36], Average RMSE [2.46]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.21], Average RMSE [3.22] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 79F. Breezy. Winds from the WSW at 15 to 20 mph.
Wednesday Night
nt_clear Clear. Low of 37F. Winds from the WSW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 18 76 | 26 73 | 21 50 | 24
Wind 12 mph SW 16 mph WSW 17 mph West 6 mph WSW
Humidity 28% 15% 14% 36%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 2% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:34 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.65], Average RMSE [2.85]
The National Weather Service forecast quality is good. MaxT RMSE [1.86], Average RMSE [3.49] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Thursday
clear Clear. High of 73F. Windy. Winds from the SW at 20 to 30 mph.
Thursday Night
nt_clear Clear. Low of 34F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 26 72 | 26 70 | 25 52 | 26
Wind 11 mph SSW 24 mph SW 21 mph SW 12 mph SW
Humidity 48% 18% 19% 37%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 1% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.47], Average RMSE [3.13]
The National Weather Service forecast quality is good. MaxT RMSE [1.91], Average RMSE [3.25] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Friday
clear Clear. High of 77F. Windy. Winds from the SSW at 20 to 30 mph.
Friday Night
nt_clear Clear. Low of 34F. Breezy. Winds from the SSW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 20 67 | 26 69 | 30 41 | 17
Wind 13 mph SSW 24 mph SSW 25 mph SSW 12 mph SSW
Humidity 43% 20% 23% 39%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 22% 4% 0% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.08], Average RMSE [3.04]
The National Weather Service forecast quality is good. MaxT RMSE [2.16], Average RMSE [3.46] : Use NWS
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Saturday
clear Clear. High of 75F. Breezy. Winds from the SSW at 15 to 25 mph.
Saturday Night
nt_clear Clear. Low of 41F. Winds from the South at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 44 | 21 65 | 18 69 | 25 47 | 8
Wind 12 mph South 21 mph SSW 21 mph SSW 10 mph South
Humidity 40% 16% 18% 23%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.21], Average RMSE [3.39]
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Sunday
clear Clear. High of 73F. Windy. Winds from the SSW at 30 to 35 mph.
Sunday Night
nt_clear Clear. Low of 30F. Winds from the WSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 29 65 | 22 67 | 11 37 | 9
Wind 12 mph South 32 mph SSW 24 mph SW 5 mph WSW
Humidity 44% 18% 11% 30%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.41], Average RMSE [3.95]
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Monday
clear Clear. High of 72F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 36F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 38 | 16 65 | 22 67 | 10 41 | 9
Wind 3 mph WSW 32 mph SSW 5 mph West 3 mph WSW
Humidity 40% 18% 11% 26%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 0% 1% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.45], Average RMSE [4.50]
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 75F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 37F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 19 71 | 32 70 | 21 41 | 9
Wind 1 mph WNW 3 mph WSW 4 mph West 3 mph SSW
Humidity 35% 23% 15% 25%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 1% 4%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
Source: BestForecast at 6:42 AM MST on May 20, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 77F. Winds less than 5 mph.
Wednesday Night
nt_clear Clear. Low of 37F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 19 74 | 35 72 | 24 46 | 10
Wind 1 mph SSW 3 mph SW 5 mph WSW 4 mph SSW
Humidity 32% 22% 15% 23%
Chance of Precip. 0% 10% 10% 0%
Cloud Cover 6% 8% 10% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:16 AM
7:35 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 20, 2012 Max Temp Min Temp
Normal 71 °F 30 °F
Record 86 °F (2008) 28 °F (1977)
Yesterday 74 °F 29 °F
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
Astronomy
May. 20, 2012 Rise Set
Actual Time 5:18 AM MST 7:32 PM MST
Civil Twilight 4:49 AM MST 8:01 PM MST
Nautical Twilight 4:14 AM MST 8:36 PM MST
Astronomical Twilight 3:35 AM MST 9:15 PM MST
Moon 5:01 AM MST 7:33 PM MST
Length Of Visible Light 15h 11m
Length of Day
14h 13m
Tomorrow will be 1m 24s longer.
Waning Crescent, 0% of the Moon is Illuminated
Today
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Phoenix Deer Valley
81 °F
Yuma MCAS
80 °F
Bullhead City
80 °F
Phoenix
80 °F
Casa Grande
30 °F
Grand Canyon
33 °F
Window Rock
33 °F
Flagstaff
37 °F
Williams
41 °F
Show Low
Record Extremes
Snow Depth
Station Depth Elevation
White Horse Lake 0 in 7180 ft
Fry 0 in 7200 ft
Mormon Mountain 39 in 7500 ft
Happy Jack 0 in 7630 ft
Promontory 0 in 7930 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
Grand Canyon 67 °F Clear 7:54 AM MST
Williams 68 °F Clear 8:35 AM MST
Flagstaff 63 °F Clear 7:57 AM MST
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: VFR (KGCN)
Wind Speed: 8.0 kts.
Wind Dir: 80° (East)
Ceiling: Unlimited

METAR KGCN 201454Z 08008KT 10SM CLR 19/M09 A3025 RMK AO2 SLP165 T01941089 52011

View all Reports & Maps
Sports
Event Date Forecast
Marlins vs. Indians 1:05 PM EDT on May 20, 2012 Clear, 81 °F
Reds vs. Yankees 1:05 PM EDT on May 20, 2012 Partly Cloudy, 76 °F
Event Date Forecast
Barcelona B vs. Numancia 12:00 PM CEST on May 20, 2012 Rain, High 48° F/ 9° C
Modena vs. Torino 12:30 PM CEST on May 20, 2012 Chance of Rain, High 57° F/ 14° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Average High 79° F/ 26° C
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
HP Byron Nelson Championship 8:30 AM CDT on May 20, 2012 Mostly Cloudy, 67 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2012 Partly Cloudy, 70 °F
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
HADS Williams 35 NNW AZ, Grand Canyon, AZ 64 °F - - - North  at  - 0.00 in / hr 5990 ft 8:05 AM MST MADIS
RAWS BRIGHT ANGEL AZ, Fredonia, AZ 61 °F - 16 °F 17% WNW  at  3 mph 0.00 in / hr 8133 ft 8:07 AM MST MADIS
RAWS LINDBERGH HILL AZ, Fredonia, AZ 59 °F - 17 °F 19% SSE  at  5 mph 0.00 in / hr 8799 ft 8:08 AM MST MADIS
APRSWXNET Indian Gardens AZ US, Grand Canyon, AZ 75 °F 75 °F 21 °F 13% North  at  0 mph 0.00 in / hr 3799 ft 8:17 AM MST MADIS
APRSWXNET Phantom Ranch AZ US, Grand Canyon, AZ 67 °F - 31 °F 26% North  at  0 mph 2.26 in / hr 2549 ft 8:20 AM MST MADIS
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