Heat Advisory HEAT ADVISORY - Plano, Collin County, Texas
Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 29-Jul-2021 9:15am - next update at 9:20am  
Summary / Temperature Wind Precipitation Outlook


Mostly sunny, Dry
Mostly sunny, Dry

85.0°F Warmer 5.2°F than last hour.
---
Currently 85.0, Max: 85.0, Min: 75.9 Feels like:
°F

24-hr
difference
0.4°FWarmer 0.4°F than yesterday at this time.
TEMP HIGH LOW
Today 85.0°F
9:11am
75.9°F
6:34am
Yesterday 98.9°F
4:29pm
77.7°F
6:46am
Record 109°F
1912
67°F
1984
Normal 97°F
77°F
 Wind from ESE ESE
2.4
Gust:
2.2
Light Air
60-Min Avg: Calm
120-Min Avg: Calm
Max Gust: 5.8 mph 8:52am
Month: 29.1 mph Jul 14
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
7/20/2021
3:36 AM
July: 3.58 in
Last 7 Days: 0.00 in
Rain Season:1 32.42 in
Rain Days: 64 in 2021
9 days since last rain.
Tonight

Tonight: Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
Mostly Clear


Barometer Humidity/Dew Point Moon
Current: 30.083 inHg Rising 0.02 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Rising
High: 30.083  | Low: 29.999
Humidity: 67 % Decreased 9% since last hour.
Humidex: 102.9°F
Dew Point: 72.8°F Increased 1.3°F since last hour.
Wetbulb: 76.6°F
Waning Gibbous
Waning Gibbous, Moon at 20 days in cycle
69%
Illuminated
Current UV Index Current Solar Energy
   1.2    Low 
High: 1.2 @ 9:14am
Time to Burn: 93 Mins
Energy: 0 W/m2 (87%)
High: 399 at  9:14am
Apparent Temp: 101.2°F
Heat Index Cooling Degree Days Sun
Current: 91.2°F
Today: 91.6°F  9:11am
Yesterday: 113.4°F
Last Week: 113.4°F
Record: 122.7°F   29-Aug-2020
Today: 5.4
July: 508.3
2021 to Date: 1240.2
Heating Degree Days
2021 to Date: 1443.1
Daylight: Possible hours of Daylight
13:51
-00:01:25 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:38am
Sunset: 8:29pm
Moonrise: 11:45pm
Moonset: 12:07pm
Full Moon: July 24 2021
New Moon: 13:51 UTC August 8 2021
Updated at Midnight
Current: 0.05 in   
7-Days Rain: 0.00 in   
7-Days ET: 1.89 in   
7-Day: -1.89 in 1.89 in water in deficit of what evaporated in last 7 days.
July: -9.71 in 9.71 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.16 kg/m3
Cloud Height: 3545 ft
HIGHS: LOWS:
108.1°F
26-Jul-2016
-0.9°F
15-Feb-2021
Daytime Records
  106.7 F on: Jul 21 2018   10.9F on: Feb 16 2021
Nitetime Records
  94.1F on: Jul 23 2018 8.1F on: Feb 15 2021
ICN:9 ISS:Ok CON:4.9 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
6.6 at 09:15 AM
1 Rain season: Jan 1st to Dec 31st.    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.)
 NWS Weather Forecast  -   Today's and Tonight's Outlook
Today

Today: Mostly sunny, with a high near 98. Heat index values as high as 105. East southeast wind 5 to 10 mph.
Mostly Sunny


Hi 98 °F
NWS forecast: Mostly sunny, with a high near 98. Heat index values as high as 105. East southeast wind 5 to 10 mph.
Tonight

Tonight: Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
Mostly Clear


Lo 79 °F
NWS forecast: Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
Mostly Clear

Friday

Friday: Sunny, with a high near 98. Heat index values as high as 104. South southwest wind 5 to 10 mph becoming southeast in the afternoon.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 79. South southeast wind 5 to 10 mph.
Mostly Clear

Saturday

Saturday: Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Hot

Saturday
Night
Saturday Night: Mostly clear, with a low around 80. South wind around 10 mph.
Mostly Clear

Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 98. South southwest wind 5 to 10 mph.
Sunny then
Slight Chance
T-storms
Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph becoming northeast after midnight.
Chance
T-storms
Monday

Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. Northeast wind 5 to 10 mph.
Chance
T-storms
Lo 79 °F Hi 98 °F Lo 79 °F Hi 99 °F Lo 80 °F Hi 98 °F Lo 76 °F Hi 92 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.