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Heat Advisory HEAT ADVISORY - Plano, Collin County, Texas
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Updated: @ 17-Jun-2026 1:45pm - next update at 1:50pm  
Summary / Temperature Wind Precipitation Outlook


Mostly sunny, Dry
Mostly sunny, Dry

90.5°F Warmer 2.3°F than last hour.
Hot
Currently 90.5, Max: 90.8, Min: 74.8 Feels like:
102°F

24-hr
difference
4.1°FWarmer 4.1°F than yesterday at this time.
TEMP HIGH LOW
Today 90.8°F
1:42pm 		74.8°F
6:03am
Yesterday 89.9°F
4:30pm 		72.0°F
5:34am
Record 105°F
1911
 58°F
1981
Normal 92°F
 73°F
Wind from SSW SSW
12.6
Gust:
 17.6
Moderate Breeze

60-Min Avg: 13.8 mph
120-Min Avg: 9.2 mph
Max Gust: 27.6 mph 1:29pm
Month: 36.3 mph Jun 7
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain: 		6/14/2026
8:24 PM
June: 2.38 in
Last 7 Days: 0.44 in
Rain Season:1 17.78 in
Rain Days: 49 in 2026
2 days since last rain
Tonight

Tonight: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear
Barometer Humidity/Dew Point Moon
Current: 29.627 inHg Falling 0.03 °F/hr
1-Hr Trend: Falling slowly
3-Hr Trend: Falling
High: 29.747  |  Low: 29.624
Humidity: 60 % Decreased 4% since last hour.
Humidex: 110.3°F
Dewpoint: 74.7°F Increased 0.3°F since last hour.
Wetbulb: 79.4°F
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
10%
Illuminated
Current UV Index Current Solar Energy
   5.5    Medium 
High: 6.7 @ 1:11pm
Time to Burn: 20 Mins
Energy: 0 W/m2 (76%)
High: 1046 at  12:28pm
Apparent Temp: 110.0°F
Heat Index Cooling Degree Days Sun
Current: 102.2°F
Today: 102.7°F  1:39pm
Yesterday: 97.9°F
Last Week: 107.8°F
Record: 127.2°F   26-Aug-2023
Today: 7.4
June: 269.2
2026 to Date: 925.8
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
14:19 hrs:min
+ 00:00:13 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:18am
Sunset: 8:37pm
Moonrise: 8:55am
Moonset: 10:37pm
Full Moon: June 29 2026
New Moon: 09:44 UTC July 14 2026
Updated at Midnight
Current: 0.25 in   
7-Days Rain: 0.44 in   
7-Days ET: 1.36 in   
7-Day: -0.92 in 0.92 in water in deficit of what evaporated in last 7 days.
June: -0.92 in 0.92 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.13 kg/m3
Cloud Height: 4368 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:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
11.5 at 1:45 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: Sunny, with a high near 93. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.
Sunny


Hi 93 °F 		NWS forecast: Sunny, with a high near 93. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 25 mph.
Tonight

Tonight: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear


Lo 77 °F		 NWS forecast: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 97. Heat index values as high as 106. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 79. East southeast wind 5 to 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
 Juneteenth

Juneteenth: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. East northeast wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Chance
T-storms

 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. Southeast wind around 10 mph. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Saturday

Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.
Chance
T-storms

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 97. South wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny
Lo 77 °F Hi 97 °F Lo 79 °F Hi 92 °F Lo 77 °F Hi 93 °F Lo 77 °F Hi 97 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.