Heat Advisory HEAT ADVISORY - Plano, Collin County, Texas
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Updated: @ 24-Jul-2026 9:40pm - next update at 9:45pm  
Summary / Temperature Wind Precipitation Outlook


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

88.4°F Colder 2.1°F than last hour.
Warm
Currently 88.4, Max: 94.9, Min: 78.5 Feels like:
95°F

24-hr
difference
0.9°FWarmer 0.9°F than yesterday at this time.
TEMP HIGH LOW
Today 94.9°F
4:49pm
78.5°F
7:00am
Yesterday 96.0°F
4:01pm
77.5°F
7:05am
Record 108°F
1977
64°F
1911
Normal 97°F
77°F
 Wind from SSE SSE
4.2
Gust:
4.4
Light Breeze

60-Min Avg: 4.6 mph
120-Min Avg: 10.4 mph
Max Gust: 22.0 mph 5:10pm
Month: 42.9 mph Jul 15
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
7/19/2026
7:45 PM
July: 1.48 in
Last 7 Days: 0.02 in
Rain Season:1 22.53 in
Rain Days: 57 in 2026
5 days since last rain
Saturday

Saturday: Mostly Sunny
Mostly Sunny

Barometer Humidity/Dew Point Moon
Current: 29.935 inHg Rising 0.02 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Rising slowly
High: 29.998  |  Low: 29.902
Humidity: 58 % Increased 4% since last hour.
Humidex: 105.3°F
Dewpoint: 71.7°F Increased 0.2°F since last hour.
Wetbulb: 77.0°F
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
82%
Illuminated
UV Forecast Current Solar Energy
24-Jul-2026   Very High   10.7   
25-Jul-2026   Very High   10.7   
26-Jul-2026   Very High   10.4   
Energy: 0 W/m2 (0%)
High: 1029 at  2:35pm
Apparent Temp: 93.2°F
Heat Index Cooling Degree Days Sun
Current: 95.1°F
Today: 107.6°F  4:48pm
Yesterday: 111.1°F
Last Week: 126.0°F
Record: 127.2°F   26-Aug-2023
Today: 16.3
July: 513.3
2026 to Date: 1708.4
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
13:56 hrs:min
-00:01:18 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:35am
Sunset: 8:31pm
Moonrise: 6:03pm
Moonset: 2:47am
Full Moon: July 29 2026
New Moon: 17:37 UTC August 12 2026
Updated at Midnight
Current: 0.19 in   
7-Days Rain: 0.02 in   
7-Days ET: 1.95 in   
7-Day: -1.93 in 1.93 in water in deficit of what evaporated in last 7 days.
July: -4.64 in 4.64 in water in deficit of what evaporated this month.
Irrigation System: Ready
Other Conditions
Air Density: 1.15 kg/m3
Cloud Height: 4568 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:4.6 RCP:99%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
13.0 at 9:40 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  -   Tonight's and Saturday's Outlook
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 81 °F
NWS forecast: Partly cloudy, with a low around 81. Heat index values as high as 98. South wind around 10 mph, with gusts as high as 20 mph.
Saturday

Saturday: Mostly Sunny
Mostly Sunny

Hi 100 °F
NWS forecast: Mostly sunny, with a high near 100. Heat index values as high as 108. South southwest wind around 10 mph, with gusts as high as 20 mph.
 NWS NWS Short Term Weather Forecast
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday

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

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

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Hi 100 °F Lo 82 °F Hi 101 °F Lo 83 °F Hi 102 °F Lo 82 °F Hi 103 °F Lo 83 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.