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 PHOENIX  -  Excessive Heat Warning Excessive Heat Warning     Air Quality Alert Air Quality Alert  
 LA PAZ COUNTY  -  Excessive Heat Warning Excessive Heat Warning  
 MARICOPA COUNTY  -  Excessive Heat Warning Excessive Heat Warning     Air Quality Alert Air Quality Alert  
 PINAL COUNTY  -  Excessive Heat Warning Excessive Heat Warning  
 YUMA COUNTY  -  Excessive Heat Warning Excessive Heat Warning  

METRIC | IMPERIAL
Updated: 23 Jul 2014 @ 10:40  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 2.4°F than last hour.

105.2°F

Heat Index:  104.0°F
---
High Today
105.8°F
10:31
Low Today
89.8°F
05:24
Yest High
112.5°F
16:20
Yest Low
80.6°F
05:53
Sta* High
104.8°F
2012
Sta* Low
81.0°F
2013
* Station Records Since 4/2006
Rec* High
114.0°F
2006
Rec* Low
69.0°F
1913
* Records from WUnderground
<?php $t1 = fixupCondition($Currentsolardescription); echo $t1; ?> 29.914

Wind from SSW Wind:  SSW
7.3

Gusting to:
5 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: EXTREME Current CBI
Fire Danger:
111.4 of 100
Today

Hot
Hot

Hi 113 °F
Tonight

Slight Chc T-Storms. Chance for Measurable Precipitation 10%
Slight Chc
T-Storms
Lo 90 °F
Thursday

Hot
Hot

Hi 112 °F
Selected AZ Cities Forecasts
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.6°F since last hour. 54.6°F
Last Hour: Increased 0.6°F since last hour. 0.6°F
High 07:45: 56.7°F
Low 01:12: 48.9°F
Record High: 76.3°F on
21-Jul-2013
Record Low: -14.1°F on
14-Apr-2014
Wetbulb: 73.8°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Jul Rain: 0.02 in
Jul to Date
  Avg:10
0.81 in
Jul to Date
  Diff from Avg:10
Under 0.79 in for the month 0.79 in
Jul Avg: 1.16 in
Diff from Avg: Under 1.14 in for the month 1.14 in
Season:1 1.69 in
YTD
  Avg:11
2.55 in
YTD
  Diff from Avg:11
Under 0.86 in for the year 0.86 in
Last Rain
Time/Date:
15-Jul-2014
at 16:33
3 rain days in 2014
1 day in July
7 days since last rain
Current: SSW  7.3 mph
1Hr Average: 4.7 mph
Wind Run: 22.71 miles
Wind Gust
Current: 5 mph
Today: 15 mph 10:15
Month: 36 mph 3-Jul
Year: 36 mph 3-Jul
Record Gust: 53 mph
16-Jul-2013
Sunlight:
13 hrs 59 min
48 sec
of Sunlight Today
graph 58.3% 41.7% Which is
1 min 19 sec Shorter
Than Yesterday

Morning Crescent, 26 days, 9 hours, 33 minutes in cycle
10%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 19%
Last Hour: Decreased 1% since last hour. 1%
High 05:16: 30%
Low 10:01: 19%
Record High: 99%
13-Nov-2011
Record Low: 2%
21-May-2012
Current: Falling 0.006  inHg/hr 29.914 inHg
Last Hour: Steady
High 07:59: 29.927
Low 02:29: 29.876
Record High: 30.900 inHg
22-Mar-2008
Record Low: 29.001 inHg
14-Mar-2007
Cooling Degree Days Lightning Strikes Heat Index Air
Today: 12.6
Jul: 650.6
2014 to Date: 2290.9
Heating Degree Days
2014 to Date: 408.5
Last Min: 0
Last 30 Mins: 0
Last 60 Mins: 0
Last 12 Hrs: 182
Jul: 404836
2014 to Date: 544814
Last
Strike:
08:18:05
23-Jul-2014
Last Bearing: 312
Last Distance: 202 miles
Current: 104.0°F
High 10:31: 104.9°F
Yesterday: 106.5°F
Record: 117.5°F
8-Aug-2012
Quality
Index6:

52


Moderate
Density:
1.118 kg/m3
Current UV Index Current Solar Energy9
6.8
Sunburn in
16 Minutes
Highest:
10:38
6.8
863 W/m2
76%
W/m2 SI
High Today:
09:43
935  W/m2 Record:1382 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Current: Morning
YTD Avg Temp: 74.0°F
Sunrise: 05:33
Sunset: 19:35
Moonrise: 02:53
Moonset: 16:10
Full Moon: 12-Jul-2014
New Moon: 15:42 MST
26-Jul-2014
Fall
Begins:
19:29 MST
22-Sep-2014
 
Updated at Midnight
Current ET: 0.29 in
7-Days Rain: 0.00 in
7-Days ET: 2.39 in
7-Day:  2.39 in water in deficit of what evaporated in last 7 days. 2.39 in
July:  7.6 in water in deficit of what evaporated this month. 7.6 in
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HIGHS: LOWS:
118.0°F
29-Jun-2013
24.3°F
13-Jan-2013
Daytime Records
  109.6°F
29-Jun-2013
  37.4°F
14-Jan-2013
Nitetime Records
  100.9°F
14-Aug-2012
  30.4°F
01-Jan-00
ICN:0 | S3C2:3 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
1 Rain season (all year): 1 January - 31 December; Rain season (Monsoon): 15 June - 30 September (fixed by NWS - no longer relies on 3-day high DP duration).   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index (AQI) data as provided by Arizona Department of Environmental Quality - data not available ~0000-0600 MST.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station's recorded maximum or a percentage of computed theoretical solar maximum using the station's location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 23 of just the month of July for this station since 4/2006.   11 Historical average rain this season to day 23 of July for this station since 4/2006.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Hot
Hot

Hi 113 °F
NWS forecast: Mostly sunny and hot, with a high near 113. South southeast wind 3 to 5 mph.
Tonight

Slight Chc T-Storms. Chance for Measurable Precipitation 10%
Slight Chc
T-Storms
Lo 90 °F
NWS forecast: A 10 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 90. Light and variable wind becoming east around 6 mph in the evening.
 NWS Short Term Weather Forecast
Thursday

Hot
Hot

Hi 112 °F
Thursday
Night

Partly Cloudy
Partly
Cloudy
Lo 89 °F
Friday

Mostly Sunny
Mostly
Sunny
Hi 109 °F
Friday
Night

Partly Cloudy
Partly
Cloudy
Lo 88 °F
Saturday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 109 °F
Saturday
Night

Slight Chc T-Storms
Slight Chc
T-Storms
Lo 86 °F
Sunday

Slight Chc T-Storms
Slight Chc
T-Storms
Hi 107 °F
Animated icons courtesy of www.meteotreviglio.com
Precipitation average-to-date script courtesy of Murry Conarroe
Version 6.92 - 09-Feb-2014 - Script Mods by: BurnsvilleWeatherLIVE.com

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Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
 AccuWeather Forecasts
 Weather Facts

Humidity

Humidity is the amount of water vapor in the air. The term "humidity" refers to relative humidity. Relative humidity is defined as the amount of water vapor in a sample of air compared to the maximum amount of water vapor the air can hold at any specific temperature in a form of 0 to 100%. Relative humidity is important in forecasting weather. Humidity indicates the likelihood of precipitation, dew, or fog. High humidity makes people feel hotter outside in the summer because it reduces the effectiveness of sweating to cool the body by preventing the evaporation of perspiration from the skin.

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