Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
spacer
Updated: @ 14-Sep-2025 11:00pm - next update at 11:05pm  
Summary / Temperature Wind Precipitation Outlook


Night time, Dry, Clear skies
Night time, Dry, Clear skies

89.7°F  
Hot
Currently 89.7, Max: 94.3, Min: 71.8 Feels like:
90°F

24-hr
difference
9.2°FWarmer 9.2°F than yesterday at this time.
TEMP HIGH LOW
Today 94.3°F
3:30pm
71.8°F
7:21am
Yesterday 93.8°F
4:04pm
75.1°F
7:27am
Record 100°F
1980
51°F
1993
Normal 89°F
69°F
 Wind from SSE SSE
6.9
Gust:
7.7
Light Breeze

60-Min Avg: 6.9 mph
120-Min Avg: 6.9 mph
Max Gust: 23.1 mph 1:45pm
Month: 38.5 mph Sep 5
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
9/6/2025
7:51 AM
September: 0.53 in
Last 7 Days: 0.00 in
Rain Season:1 34.10 in
Rain Days: 69 in 2025
7 days since last rain
Tonight

Tonight: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm  after midnight.
Mostly Clear


Barometer Humidity/Dew Point Moon
Current: 29.894 inHg  
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 29.990  |  Low: 29.889
Humidity: 38 %  
Humidex: 98.0°F
Dewpoint: 60.7°F  
Wetbulb: 71.4°F
Waning Crescent
Waning Crescent, Moon at 22 days in cycle
42%
Illuminated
UV Forecast Current Solar Energy
15-Sep-2025   Very High   8.2   
16-Sep-2025   High   7.8   
17-Sep-2025   Very High   8.1   
Energy: 0 W/m2 (0%)
High: 843 at  11:53am
Apparent Temp: 90.1°F
Heat Index Cooling Degree Days Sun
Current: 89.6°F
Today: 97.6°F  2:05pm
Yesterday: 98.2°F
Last Week: 100.7°F
Record: 127.2°F   26-Aug-2023
Today: 14.0
September: 184.7
2025 to Date: 2404.7
Heating Degree Days
2025 to Date: 1375.3
Sunlight Hours
Possible hours of Daylight
12:24 hrs:min
-00:02:01 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:10am
Sunset: 7:34pm
Moonrise: 12:42am
Moonset: 3:52pm
Full Moon: September 07 2025
New Moon: 19:55 UTC September 21 2025
Updated at Midnight
Current: 0.24 in   
7-Days Rain: 0.00 in   
7-Days ET: 1.29 in   
7-Day: -1.3 in 1.3 in water in deficit of what evaporated in last 7 days.
September: -1.74 in 1.74 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.15 kg/m3
Cloud Height: 7389 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:1 ISS:Ok CON:4.5 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
41.5 at 11:00 PM
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, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunny


Hi 93 °F
NWS forecast: Sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight

Tonight: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm  after midnight.
Mostly Clear


Lo 73 °F
NWS forecast: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm after midnight.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm  after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm  after midnight.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72. South southeast wind around 5 mph.
Partly Cloudy
then Slight
Chance
T-storms
Thursday

Thursday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. South wind around 5 mph.
Chance
T-storms

Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70. East southeast wind around 5 mph.
Chance
T-storms

Friday

Friday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Southeast wind around 5 mph becoming south southwest in the afternoon.
Chance
T-storms

Lo 73 °F Hi 93 °F Lo 73 °F Hi 93 °F Lo 72 °F Hi 91 °F Lo 70 °F Hi 88 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.