Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 29-May-2026 3:40pm - next update at 3:45pm  
Summary / Temperature Wind Precipitation Outlook


Mostly cloudy, Dry
Mostly cloudy, Dry

90.1°F Warmer 1.2°F than last hour.
Hot
Currently 90.1, Max: 92.2, Min: 70.3 Feels like:
97°F

24-hr
difference
3.8°FWarmer 3.8°F than yesterday at this time.
TEMP HIGH LOW
Today 92.2°F
1:45pm
70.3°F
6:13am
Yesterday 86.7°F
3:49pm
66.6°F
6:05am
Record 99°F
1951
46°F
1947
Normal 88°F
69°F
 Wind from SSE SSE
5.4
Gust:
5.5
Light Breeze

60-Min Avg: 2.3 mph
120-Min Avg: 3.5 mph
Max Gust: 14.3 mph 10:11am
Month: 41.7 mph May 17
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
5/27/2026
12:21 PM
May: 4.47 in
Last 7 Days: 1.89 in
Rain Season:1 15.39 in
Rain Days: 43 in 2026
9 rain days in May
Tonight

Tonight: Increasing clouds, with a low around 76. South wind around 5 mph.
Increasing
Clouds

Barometer Humidity/Dew Point Moon
Current: 29.839 inHg Falling 0.02 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling
High: 29.908  |  Low: 29.838
Humidity: 53 % Decreased 2% since last hour.
Humidex: 106.0°F
Dewpoint: 70.7°F  
Wetbulb: 76.8°F
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
98%
Illuminated
Current UV Index Current Solar Energy
   1.8    Low 
High: 6.4 @ 1:43pm
Time to Burn: 62 Mins
Energy: 0 W/m2 (19%)
High: 929 at  1:34pm
Apparent Temp: 101.7°F
Heat Index Cooling Degree Days Sun
Current: 97.5°F
Today: 100.2°F  3:18pm
Yesterday: 91.7°F
Last Week: 99.7°F
Record: 127.2°F   26-Aug-2023
Today: 6.4
May: 244.4
2026 to Date: 606.3
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
14:08 hrs:min
+ 00:01:00 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:20am
Sunset: 8:28pm
Moonrise: 6:27pm
Moonset: 4:51am
Full Moon: May 31 2026
New Moon: 02:55 UTC June 15 2026
Updated at Midnight
Current: 0.20 in   
7-Days Rain: 1.89 in   
7-Days ET: 1.15 in   
7-Day: 0.74 in 0.74 in water in excess of what evaporated in last 7 days.
May: -0.49 in 0.49 in water in deficit of what evaporated this month.
Irrigation System: Suspended
Other Conditions
Air Density: 1.14 kg/m3
Cloud Height: 5204 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:3 ISS:Ok CON:4.6 RCP:99%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
18.0 at 3:40 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  -   This Afternoon's and Tonight's Outlook
This
Afternoon
This Afternoon: Mostly sunny, with a high near 91. Heat index values as high as 97. South southwest wind around 5 mph.
Mostly Sunny


Hi 91 °F
NWS forecast: Mostly sunny, with a high near 91. Heat index values as high as 97. South southwest wind around 5 mph.
Tonight

Tonight: Increasing clouds, with a low around 76. South wind around 5 mph.
Increasing
Clouds

Lo 76 °F
NWS forecast: Increasing clouds, with a low around 76. South wind around 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Increasing clouds, with a low around 76. South wind around 5 mph.
Increasing
Clouds
Saturday

Saturday: Partly sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Partly Sunny

Saturday
Night
Saturday Night: Mostly cloudy, with a low around 76. South wind around 10 mph.
Mostly Cloudy

Sunday

Sunday: Sunny, with a high near 94. South wind around 10 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 77. South wind around 10 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 95. South wind around 5 mph.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Mostly Clear

Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. East wind 5 to 10 mph.
Sunny then
Chance
T-storms
Lo 76 °F Hi 92 °F Lo 76 °F Hi 94 °F Lo 77 °F Hi 95 °F Lo 76 °F Hi 93 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.