Land forecasts for the United States from the National Weather Service

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LON:  

Plano, TX
Updated Thu, 09-Jul-2026 6:06am CDT
Today
 
Tonight
"Sunny"
Sunny
HIGH 101°
Sunny, with a high near 101. Heat index values as high as 104. South southwest wind 10 to 15 mph.
 
"Clear"
Clear
LOW 80°
Clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 102. South wind 10 to 15 mph.
Friday
 
Friday Night
"Sunny"
Sunny
HIGH 99°
Sunny, with a high near 99. Heat index values as high as 101. South southwest wind 10 to 15 mph.
 
"Clear"
Clear
LOW 79°
Clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 102. South wind 10 to 15 mph.
Saturday
 
Saturday Night
"Mostly Sunny"
Mostly Sunny
HIGH 99°
Mostly sunny, with a high near 99. South southwest wind around 10 mph.
 
"Partly Cloudy then Slight Chance Showers And Thunderstorms"
Partly Cloudy then Slight Chance Showers And Thunderstorms
LOW 78°
A slight chance of showers and thunderstorms after 1am. Partly cloudy. Low around 78, with temperatures rising to around 80 overnight. South wind around 10 mph. Chance of precipitation is 20%.
Sunday
 
Sunday Night
"Chance Showers And Thunderstorms"
Chance Showers And Thunderstorms
HIGH 95°
A chance of showers and thunderstorms. Mostly cloudy, with a high near 95. South wind around 5 mph. Chance of precipitation is 50%.
 
"Chance Showers And Thunderstorms"
Chance Showers And Thunderstorms
LOW 76°
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind around 5 mph. Chance of precipitation is 50%.
Monday
 
Monday Night
"Chance Showers And Thunderstorms"
Chance Showers And Thunderstorms
HIGH 94°
A chance of showers and thunderstorms. Partly sunny, with a high near 94. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.
 
"Chance Showers And Thunderstorms then Partly Cloudy"
Chance Showers And Thunderstorms then Partly Cloudy
LOW 76°
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
 
Tuesday Night
"Mostly Sunny then Slight Chance Showers And Thunderstorms"
Mostly Sunny then Slight Chance Showers And Thunderstorms
HIGH 90°
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
 
"Slight Chance Showers And Thunderstorms then Partly Cloudy"
Slight Chance Showers And Thunderstorms then Partly Cloudy
LOW 76°
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Wednesday
 
Wednesday Night
"Sunny"
Sunny
HIGH 93°
Sunny, with a high near 93.
 
"Mostly Clear"
Mostly Clear
LOW 77°
Mostly clear, with a low around 77.

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