Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 29-Aug-2026 11:35am - next update at 11:40am  
Summary / Temperature Wind Precipitation Outlook


Mostly sunny, Dry
Mostly sunny, Dry

96.1°F Warmer 3.8°F than last hour.
Dangerously Hot
Currently 96.1, Max: 96.1, Min: 78.0 Feels like:
103°F

24-hr
difference
1.2°FWarmer 1.2°F than yesterday at this time.
TEMP HIGH LOW
Today 96.1°F
11:34am
78.0°F
7:20am
Yesterday 101.5°F
4:20pm
75.2°F
6:39am
Record 106°F
2020
60°F
1992
Normal 94°F
74°F
 Wind from S S
4.7
Gust:
5.5
Light Breeze

60-Min Avg: 2.3 mph
120-Min Avg: 1.2 mph
Max Gust: 15.4 mph 12:27am
Month: 30.8 mph Aug 9
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
8/4/2026
6:09 PM
August: 0.01 in
Last 7 Days: 0.00 in
Rain Season:1 22.54 in
Rain Days: 58 in 2026
25 days since last rain
Tonight

Tonight: Mostly Clear
Mostly Clear

Barometer Humidity/Dew Point Moon
Current: 30.018 inHg  
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 30.042  |  Low: 29.970
Humidity: 43 % Decreased 7% since last hour.
Humidex: 111.4°F
Dewpoint: 70.0°F Decreased 0.7°F since last hour.
Wetbulb: 78.2°F
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
98%
Illuminated
Current UV Index Current Solar Energy
   3.7    Medium 
High: 3.7 @ 11:34am
Time to Burn: 30 Mins
Energy: 0 W/m2 (82%)
High: 683 at  11:33am
Apparent Temp: 114.3°F
Heat Index Cooling Degree Days Sun
Current: 103.3°F
Today: 103.6°F  11:30am
Yesterday: 108.9°F
Last Week: 116.0°F
Record: 127.2°F   26-Aug-2023
Today: 9.4
August: 728.8
2026 to Date: 2623.0
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
12:57 hrs:min
-00:01:54 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:59am
Sunset: 7:56pm
Moonrise: 8:20pm
Moonset: 8:23am
Full Moon: August 28 2026
New Moon: 03:28 UTC September 11 2026
Updated at Midnight
Current: 0.16 in   
7-Days Rain: 0.00 in   
7-Days ET: 1.81 in   
7-Day: -1.81 in 1.81 in water in deficit of what evaporated in last 7 days.
August: -8.26 in 8.26 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.14 kg/m3
Cloud Height: 6733 ft
HIGHS: LOWS:
111.0°F
Aug 18 2023
-2.0°F
Feb 16 2021
Daytime Records
108.1°F
Aug 19 2024
3.6°F
Feb 15 2021
Nitetime Records
95.2°F
Aug 11 2023
2.1°F
Feb 16 2021
ICN:0 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
32.8 at 11:35 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: Sunny
Sunny

Hi 101 °F
NWS forecast: Sunny, with a high near 101. Heat index values as high as 102. South southeast wind 0 to 10 mph.
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 80 °F
NWS forecast: Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 99. South wind 5 to 10 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday

Monday: Sunny
Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Lo 80 °F Hi 100 °F Lo 80 °F Hi 100 °F Lo 80 °F Hi 99 °F Lo 79 °F Hi 99 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.