Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 31-May-2026 7:50pm - next update at 7:55pm  
Summary / Temperature Wind Precipitation Outlook


Overcast, Dry
Overcast, Dry

88.5°F Colder 2.5°F than last hour.
Warm
Currently 88.5, Max: 95.3, Min: 75.2 Feels like:
95°F

24-hr
difference
2.5°FWarmer 2.5°F than yesterday at this time.
TEMP HIGH LOW
Today 95.3°F
3:32pm
75.2°F
4:48am
Yesterday 94.1°F
3:34pm
74.0°F
6:07am
Record 103°F
1911
54°F
1984
Normal 88°F
69°F
 Wind from SSW SSW
8.3
Gust:
8.8
Gentle Breeze

60-Min Avg: 4.6 mph
120-Min Avg: 12.7 mph
Max Gust: 22.0 mph 5:48pm
Month: 41.7 mph May 17
Today: 0.00 in
Yesterday: 0.01 in
Last
Rain:
5/30/2026
7:51 PM
May: 4.48 in
Last 7 Days: 1.22 in
Rain Season:1 15.40 in
Rain Days: 44 in 2026
10 rain days in May
Monday

Monday: Sunny, with a high near 96. Heat index values as high as 101. South southwest wind around 5 mph becoming southeast in the afternoon.
Sunny


Barometer Humidity/Dew Point Moon
Current: 29.816 inHg  
1-Hr Trend: Steady
3-Hr Trend: Falling slowly
High: 29.900  |  Low: 29.809
Humidity: 56 % Increased 6% since last hour.
Humidex: 104.6°F
Dewpoint: 70.8°F Increased 1°F since last hour.
Wetbulb: 76.4°F
Full Moon
Full Moon, Moon at 15 days in cycle
99%
Illuminated
Current UV Index Current Solar Energy
   0.0   None
High: 6.2 @ 1:11pm
Time to Burn: 720 Mins
Energy: 0 W/m2 (12%)
High: 872 at  1:18pm
Apparent Temp: 96.1°F
Heat Index Cooling Degree Days Sun
Current: 94.6°F
Today: 103.8°F  3:58pm
Yesterday: 101.2°F
Last Week: 103.8°F
Record: 127.2°F   26-Aug-2023
Today: 12.5
May: 286.1
2026 to Date: 648.2
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
14:11 hrs:min
+ 00:00:53 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:19am
Sunset: 8:30pm
Moonrise: 9:22pm
Moonset: 6:57am
Full Moon: May 31 2026
New Moon: 02:55 UTC June 15 2026
Updated at Midnight
Current: 0.34 in   
7-Days Rain: 1.22 in   
7-Days ET: 1.29 in   
7-Day: -0.07 in 0.07 in water in deficit of what evaporated in last 7 days.
May: -0.95 in 0.95 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.14 kg/m3
Cloud Height: 4806 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:99%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
14.8 at 7:50 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  -   Tonight's and Monday's Outlook
Tonight

Tonight: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Mostly Clear


Lo 77 °F
NWS forecast: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Monday

Monday: Sunny, with a high near 96. Heat index values as high as 101. South southwest wind around 5 mph becoming southeast in the afternoon.
Sunny


Hi 96 °F
NWS forecast: Sunny, with a high near 96. Heat index values as high as 101. South southwest wind around 5 mph becoming southeast in the afternoon.
 NWS NWS Short Term Weather Forecast
Monday

Monday: Sunny, with a high near 96. Heat index values as high as 101. South southwest wind around 5 mph becoming southeast in the afternoon.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph becoming light south southwest  after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 96. Heat index values as high as 103. Light and variable wind becoming east northeast 5 to 10 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. East wind 5 to 10 mph.
Slight Chance
T-storms
Wednesday

Wednesday: Partly sunny, with a high near 89. East wind around 10 mph.
Partly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 72. East wind around 10 mph.
Partly Cloudy

Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90. South southeast wind around 10 mph.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South southeast wind around 10 mph.
Chance
T-storms
Hi 96 °F Lo 77 °F Hi 96 °F Lo 74 °F Hi 89 °F Lo 72 °F Hi 90 °F Lo 72 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.