Land forecasts for the United States from the National Weather Service

Green box outlines the forecast area
Zoom or drag the map for a precise location
Double-click the location for the latest forecast.
LAT:  
LON:  

Plano, TX
Updated 09/22/2026 1:26pm
Air Quality Alert issued September 22 at 2:48PM CDT
Air Quality Alert issued September 21 at 3:02PM CDT
This Afternoon
 
Tonight
"Sunny"
Sunny
HIGH 94°
Sunny, with a high near 94. Heat index values as high as 99. North northeast wind around 10 mph.
 
"Partly Cloudy"
Partly Cloudy
LOW 75°
Partly cloudy, with a low around 75. Northeast wind 5 to 10 mph.
Wednesday
 
Wednesday Night
"Mostly Sunny"
Mostly Sunny
HIGH 95°
Mostly sunny, with a high near 95. Heat index values as high as 101. East northeast wind around 10 mph.
 
"Mostly Cloudy"
Mostly Cloudy
LOW 75°
Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 97. East wind 5 to 10 mph.
Thursday
 
Thursday Night
"Mostly Sunny"
Mostly Sunny
HIGH 94°
Mostly sunny, with a high near 94. East wind 5 to 10 mph.
 
"Partly Cloudy"
Partly Cloudy
LOW 71°
Partly cloudy, with a low around 71. East wind 5 to 10 mph.
Friday
 
Friday Night
"Partly Sunny"
Partly Sunny
HIGH 92°
Partly sunny, with a high near 92. East southeast wind around 5 mph.
 
"Mostly Cloudy"
Mostly Cloudy
LOW 73°
Mostly cloudy, with a low around 73. East southeast wind around 5 mph.
Saturday
 
Saturday Night
"Partly Sunny"
Partly Sunny
HIGH 95°
Partly sunny, with a high near 95. South southeast wind around 5 mph.
 
"Mostly Cloudy"
Mostly Cloudy
LOW 77°
Mostly cloudy, with a low around 77.
Sunday
 
Sunday Night
"Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms"
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
HIGH 95°
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 95. Chance of precipitation is 20%.
 
"Slight Chance Showers And Thunderstorms"
Slight Chance Showers And Thunderstorms
LOW 76°
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 20%.
Monday
 
Monday Night
"Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms"
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
HIGH 94°
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 20%.
 
"Slight Chance Showers And Thunderstorms"
Slight Chance Showers And Thunderstorms
LOW 76°
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

Script by Saratoga-weather.org. Data provided by NOAA/NWS