Heat Advisory HEAT ADVISORY - Collin County
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Updated: 25-Jul-2017 @ 3:25am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.6°F than last hour.

78.5°F

Comfortable
High Today
81.4°F
12:00 AM
Low Today
78.5°F
3:21 AM
Yest High
91.9°F
4:22 PM
Yest Low
70.9°F
2:07 AM
Sta* High
106.8°F
2011
Sta* Low
73.1°F
2013
* This Station's Records Since 10/2009
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Night time, Dry, Clear skies Night time, Dry, Clear skies

Wind from SSE Wind:  SSE
2.4

Gusting to:
6.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
0.4 of 100
Overnight

Overnight: Mostly clear, with a low around 76. South wind around 5 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 98. Heat index values as high as 105. South wind 5 to 10 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph.
Mostly Clear
Lo 76 °F Hi 98 °F Lo 80 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.1°F since last hour. 73.3°F
Last Hour: Increased 0.1°F since last hour. 0.1°F
High 3:07 AM: 73.5°F
Low 1:21 AM: 72.5°F
Record High: 80.6°F on
23-Jun-2017
Record Low: -3.6°F on
27-Jan-2014
Wetbulb: 74.9°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.21 in
Last 7 Days: 0.86 in
Jul Rain: 3.64 in
Jul to Date
  Avg:10
1.90 in
Jul to Date
  Diff from Avg:10
Over 1.74 in for the month 1.74 in
Jul Avg: 2.78 in
Diff from Avg: Over 0.86 in for the month 0.86 in
Season:1 27.56 in
YTD
  Avg:11
23.76 in
YTD
  Diff from Avg:11
Over 3.8 in for the year 3.80 in
Last Rain
Time/Date:
24-Jul-2017
at 3:48 AM
55 rain days in 2017
9 days in July
0 days since last rain
Current: SSE  2.4 mph
1Hr Average: 2.3 mph
Wind Run: 8.62 miles
Wind Gust
Current: 6.0 mph mph
Today: 11.5 mph 12:45 AM
Month: 39.0 mph 23-Jul
Year: 63.3 mph 29-Mar
Record Gust: 63.3 mph
29-Mar-2017
Sunlight:
13 hrs 56 min
of Sunlight Today
graph 58.1% 41.9%
Which is
1 min 19 sec Shorter
Than Yesterday
 

Evening Crescent, 1 days, 22 hours, 42 minutes in cycle
4%
Illuminated
Humidity Barometer
Current: Increased 2% since last hour. 84%
Last Hour: Increased 2% since last hour. 2%
High 3:07 AM: 84%
Low 12:00 AM: 76%
Record High: 100%
6-Oct-2009
Record Low: 14%
4-Mar-2012
Current: Rising 0.001  inHg/hr 29.937 inHg
Last Hour: Steady
High 2:02 AM: 29.941 in.
Low 12:00 AM: 29.924 in.
Record High: 30.806 inHg
7-Jan-2017
Record Low: 29.323 inHg
21-Jan-2017
Cooling Degree Days Snow3 Heat Index Air
Today: 1.9
Jul: 465.2
2017 to Date: 1401.6
Heating Degree Days
2017 to Date: 887.8
Today: 0.00 in
Yesterday: 0.00 in
Jul Snow: No Change 0.00 in
Jul Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in July
0 snow days this season.2
First Snow of Season:
6-Jan-2017
Average 1st Snow:
12 of Dec
Current: 78.5°F
High 12:00am: 86.5°F
Yesterday: 105.7°F
Record: 121.5°F
12-Aug-2016
Quality
Index6:

76


Moderate

Density:
1.169 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   8.7 @ 2:02 PM
Jul-25

10.2
Jul-26

10.2
Jul-27

10.3
High Yest:   1078.0 @ 2:02 PM
Sun Hours Today:
00:00
   This Month: 150:42 Hrs
Rise: 6:35 am  Set: 8:31 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 67.5°F
Sunrise: 6:35 am
Sunset: 8:31 pm
Moonrise: 8:58 am
Moonset: 9:35 pm
Full Moon: 07-Aug-2017
New Moon: 18:31 UTC
21-Aug-2017
Updated at Midnight
Current ET: 0.04 in
7-Days Rain: 0.86 in
7-Days ET: 1.88 in
7-Day:  1.02 in water in deficit of what evaporated in last 7 days. 1.02 in
July:  2.08 in water in deficit of what evaporated this month. 2.08 in
HIGHS: LOWS:
109.4°F
3-Aug-2011
12.0°F
2-Feb-2011
Daytime Records
  108.3°F
10-Aug-2015
  16.3°F
02-Feb-2011
Nitetime Records
  96.8°F
04-Aug-2011
  13.1°F
02-Feb-2011
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
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 25 of just the month of July for this station since 2009.   11 Historical average rain this season to day 25 of July for this station since 2009.
 NWS Weather Forecast  -   Outlook Overnight & Tuesday
Overnight

Overnight: Mostly clear, with a low around 76. South wind around 5 mph.
Mostly Clear

Lo 76 °F
NWS forecast: Mostly clear, with a low around 76. South wind around 5 mph.
Tuesday

Tuesday: Sunny, with a high near 98. Heat index values as high as 105. South wind 5 to 10 mph.
Sunny

Hi 98 °F
NWS forecast: Sunny, with a high near 98. Heat index values as high as 105. South wind 5 to 10 mph.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph.
Mostly Clear
Wednesday

Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 106. South wind around 10 mph.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 81. South wind around 10 mph.
Mostly Clear
Thursday

Thursday: Mostly sunny and hot, with a high near 100. Southwest wind around 10 mph.
Hot
Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 80. South southwest wind 5 to 10 mph.
Chance
T-storms
Friday

Friday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 98. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Slight Chance
T-storms
Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 78. East northeast wind around 5 mph.
Slight Chance
T-storms
Lo 80 °F Hi 99 °F Lo 81 °F Hi 100 °F Lo 80 °F Hi 98 °F Lo 78 °F
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