Air Quality Alert AIR QUALITY ALERT - Collin County
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Updated: 27-May-2018 @ 4:00pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1°F than last hour.

95.4°F

Heat Index:  100.3°F
Hot
High Today
95.4°F
3:59 PM
Low Today
75.3°F
6:39 AM
Yest High
93.9°F
3:54 PM
Yest Low
69.3°F
6:12 AM
Sta* High
94.9°F
2011
Sta* Low
63.0°F
2015
* This Station's Records Since 10/2009
Station Record High
<!-- fixupCondition in='Sunny/Dry ' out='Sunny, Dry' ocnt='2' --><!-- vals split on slash -->
Sunny, Dry Sunny, Dry

Wind from ENE Wind:  ENE
3.5

Gusting to:
3.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
36.4 of 100
This
Afternoon
This Afternoon: Sunny, with a high near 94. Heat index values as high as 97. East wind 5 to 10 mph.
Sunny
Tonight

Tonight: Mostly clear, with a low around 73. East southeast wind 5 to 10 mph.
Mostly Clear
Memorial
Day
Memorial Day: Sunny, with a high near 93. East wind 5 to 10 mph.
Sunny
Hi 94 °F Lo 73 °F Hi 93 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.8°F since last hour. 68.0°F
Last Hour: Decreased 1.8°F since last hour. 1.8°F
High 11:42 AM: 76.6°F
Low 3:56 PM: 67.1°F
Record High: 81.5°F on
Aug-17-2017
Record Low: -3.6°F on
Jan-27-2014
Wetbulb: 76.9°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.62 in
May Rain: 2.76 in
May to Date
  Avg:10
4.11 in
May to Date
  Diff from Avg:10
Under 1.35 in for the month 1.35 in
May Avg: 5.83 in
Diff from Avg: Under 3.07 in for the month 3.07 in
Season:1 22.57 in
YTD
  Avg:11
17.24 in
YTD
  Diff from Avg:11
Over 5.33 in for the year 5.33 in
Last Rain
Time/Date:
May-25-2018
at 1:32 PM
34 rain days in 2018
5 days in May
1 day since last rain
Current: ENE  3.5 mph
1Hr Average: 4.0 mph
Wind Run: 26.66 miles
Wind Gust
Current: 3.0 mph mph
Today: 16.1 mph 12:42 PM
Month: 37.0 mph May-3
Year: 49.5 mph Apr-13
Record Gust: 63.3 mph
Mar-29-2017
Sunlight:
14 hrs 7 min
of Sunlight Today
graph 58.8% 41.2%
Which is
1 min 04 sec Longer
Than Yesterday
 

Morning Crescent, 12 days, 9 hours, 12 minutes in cycle
13%
Illuminated
Humidity Barometer
Current: Decreased 4% since last hour. 41%
Last Hour: Decreased 4% since last hour. 4%
High 6:58 AM: 88%
Low 3:56 PM: 40%
Record High: 100%
Oct-6-2009
Record Low: 13%
Dec-11-2017
Current: Falling 0.012  inHg/hr 29.721 inHg
Last Hour: Steady
High 11:06 AM: 29.788 in.
Low 3:29 AM: 29.705 in.
Record High: 30.844 inHg
Jan-1-2018
Record Low: 29.323 inHg
Jan-21-2017
Cooling Degree Days Snow3 Heat Index Air
Today: 9.8
May: 333.5
2018 to Date: 437.6
Heating Degree Days
2018 to Date: 1494.1
Today: 0.00 in
Yesterday: 0.00 in
May Snow: No Change 0.00 in
May Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.20 in
Snow Depth: 0.00 in
0 snow days in May
2 snow days this season.2
First Snow of Season:
Dec-31-2017
Average 1st Snow:
14 of Dec
Current: 100.3°F
High 1:42pm: 104.6°F
Yesterday: 103.9°F
Record: 121.5°F
Aug-12-2016
Quality
Index6:

80


Moderate

Density:
1.13 kg/m3
Current UV Index Current Solar Energy
4.0
Sunburn in
28 Minutes
Highest:
1:18 PM
7.6
847 W/m2
99%
W/m2 SI Solar % SI
High Today:
1:09 PM
1065  W/m2
Record:
1480 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Afternoon
YTD Avg Temp: 57.8°F
Sunrise: 6:20 am
Sunset: 8:27 pm
Moonrise: 6:50 pm
Moonset: 5:21 am
Full Moon: May-29-2018
New Moon: 19:44 UTC
Jun-13-2018
Updated at Midnight
Current ET: 0.28 in
7-Days Rain: 0.62 in
7-Days ET: 1.21 in
7-Day:  0.587 in water in deficit of what evaporated in last 7 days. 0.587 in
May:  2.48 in water in deficit of what evaporated this month. 2.48 in
HIGHS: LOWS:
109.4°F
Aug-3-2011
11.8°F
Jan-17-2018
Daytime Records
  108.3°F
Aug-10-2015
  16.3°F
Feb-02-2011
Nitetime Records
  96.8°F
Aug-04-2011
  13.1°F
Feb-02-2011
ICN:5 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:97%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   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 is provided by Texas Commission on Environmental Quality.   10 Historical average only to day 27 of just the month of May for this station since 2009.   11 Historical average rain this season to day 27 of May for this station since 2009.
 NWS Weather Forecast  -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny, with a high near 94. Heat index values as high as 97. East wind 5 to 10 mph.
Sunny

Hi 94 °F
NWS forecast: Sunny, with a high near 94. Heat index values as high as 97. East wind 5 to 10 mph.
Tonight

Tonight: Mostly clear, with a low around 73. East southeast wind 5 to 10 mph.
Mostly Clear

Lo 73 °F
NWS forecast: Mostly clear, with a low around 73. East southeast wind 5 to 10 mph.
 NWS Short Term Weather Forecast
Memorial
Day
Memorial Day: Sunny, with a high near 93. East wind 5 to 10 mph.
Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 73. East southeast wind 5 to 10 mph.
Partly Cloudy
Tuesday

Tuesday: Sunny, with a high near 95. South southeast wind 5 to 10 mph.
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 77. Southeast wind around 10 mph.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 96. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 76. South southeast wind around 15 mph, with gusts as high as 25 mph.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 96. South wind around 15 mph, with gusts as high as 20 mph.
Sunny
Hi 93 °F Lo 73 °F Hi 95 °F Lo 77 °F Hi 96 °F Lo 76 °F Hi 96 °F
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