Heat Advisory HEAT ADVISORY - Collin County
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METRIC | IMPERIAL
Updated: 20-Jun-2019 @ 6:15pm  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.6°F than last hour.

93.8°F

Heat Index:  112.0°F
Hot
High Today
96.3°F
3:00 PM
Low Today
73.2°F
2:15 AM
Yest High
95.4°F
5:37 PM
Yest Low
69.5°F
6:26 AM
Sta* High
98.5°F
2010
Sta* Low
73.1°F
2017
Avg* High
93.1°F
for Today
Avg* Low
75.8°F
for Today
* Based on this station's measurements taken since 10/2009
Sunny, Dry Sunny, Dry
Wind from SSE Wind:  SSE
10.8

Gusting to:
13.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
9.6 of 100
Tonight

Tonight: Mostly Clear
Mostly Clear
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Lo 78 °F Hi 94 °F Lo 77 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1°F since last hour. 79.3°F
Last Hour: Decreased 1°F since last hour. 1°F
High 3:39 PM: 80.9°F
Low 6:41 AM: 66.0°F
Record High: 81.5°F on
Aug-17-2017
Record Low: -3.6°F on
Jan-27-2014
Wetbulb: 83.2°F
Rain Today
rain graph

Today: 0.00 in
Storm Rain: 0.38 in
Yesterday: 0.38 in
Last 7 Days: 4.79 in
Jun Rain: 6.83 in
Jun to Date
  Avg:10
2.53 in
Jun to Date
  Diff from Avg:10
Over 4.3 in for the month 4.30 in
Jun Avg: 3.55 in
Diff from Avg: Over 3.28 in for the month 3.28 in
Season:1 32.39 in
YTD
  Avg:11
21.84 in
YTD
  Diff from Avg:11
Over 10.55 in for the year 10.55 in
Last Rain
Time/Date:
Jun-19-2019
at 11:10 PM
59 rain days in 2019
8 days in June
0 days since last rain
Current: SSE  10.8 mph
1Hr Average: 11.5 mph
Wind Run: 131.27 miles
Wind Gust
Current: 13.0 mph mph
Today: 26.5 mph 10:32 AM
Month: 38.0 mph Jun-9
Year: 46.0 mph Mar-12
Record Gust: 63.3 mph
Mar-29-2017
Sunlight:
14 hrs 20 min 33 sec
of Sunlight Today

Which is 2 sec longer
than yesterday

(Noon) pie chart (Midnight)

Legend
Waning Gibbous
Waning Gibbous, 17 days, 13 hours, 16 minutes in cycle
88% Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 63%
Last Hour: Increased 1% since last hour. 1%
High 3:37 AM: 91%
Low 2:12 PM: 57%
Record High: 100%
Oct-6-2009
Record Low: 13%
Dec-11-2017
Current: Falling 0.007  inHg/hr 29.632 inHg
Last Hour: Steady
High 7:51 AM: 29.727 in.
Low 6:14 PM: 29.631 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: 9.3
Jun: 248.0
2019 to Date: 649.8
Heating Degree Days
2019 to Date: 1513.5
Today: 0.00 in
Yesterday: 0.00 in
Jun Snow: No Change 0.00 in
Jun Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.10 in
Snow Depth: 0.00 in
0 snow days in June
1 snow day this season.2
First Snow of Season:
Jan-19-2019
Average 1st Snow:
17 of Dec
Current: 112.0°F
High 3:39pm: 118.0°F
Yesterday: 114.9°F
Record: 121.5°F
Aug-12-2016
Quality
Index6:

64


Moderate

Density:
1.12 kg/m3

aqi
aqi
Current UV Index Current Solar Energy9
0.0
Sunburn in
720 Minutes
Highest:
1:18 PM
7.9
406 W/m2
91%
W/m2 SI
High Today:
1:37 PM
933  W/m2
Record:
1480 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 59.9°F
Sunrise: 6:18 am
Sunset: 8:38 pm
Moonrise: 10:50 pm
Moonset: 9:13 am
Full Moon: Jun-17-2019
New Moon: 19:17 UTC
Jul-2-2019
Updated at Midnight
Current ET: 0.38 in
7-Days Rain: 4.79 in
7-Days ET: 1.94 in
7-Day:  2.854 in water in excess of what evaporated in last 7 days. 2.854 in
June:  2.29 in water in excess of what evaporated this month. 2.29 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:0 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:99%
Countdown to Summer
Summer Solstice begins June 21st at 10:54am CDT
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.   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 20 of just the month of June for this station since 2009.   11 Historical average rain this season to day 20 of June for this station since 2009.
 NWS Weather Forecast  -   Outlook Tonight & Friday
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 78 °F
NWS forecast: Mostly clear, with a low around 78. Heat index values as high as 105. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday

Friday: Mostly Sunny
Mostly Sunny

Hi 94 °F
NWS forecast: Mostly sunny, with a high near 94. Heat index values as high as 103. South wind 15 to 20 mph, with gusts as high as 30 mph.
 NWS Short Term Weather Forecast
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Partly Sunny
Partly Sunny
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday

Sunday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday
Night
Monday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Lo 77 °F Hi 92 °F Lo 75 °F Hi 91 °F Lo 72 °F Hi 87 °F Lo 71 °F
Version 6.95b - 03-Apr-2019 - Script by: Scott of BurnsvilleWeatherLIVE.com
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