Land forecasts for the United States from the National Weather Service

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LON:  

Plano, TX
Updated 08/07/2026 6:32pm
Special Weather Statement issued August 7 at 6:53PM CDT
Tonight
 
Saturday
"Slight Chance Showers And Thunderstorms then Mostly Clear"
Slight Chance Showers And Thunderstorms then Mostly Clear
LOW 80°
A slight chance of showers and thunderstorms before 10pm. Mostly clear. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 101. South wind around 10 mph. Chance of precipitation is 30%.
 
"Sunny"
Sunny
HIGH 100°
Sunny, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.
Saturday Night
 
Sunday
"Mostly Clear"
Mostly Clear
LOW 79°
Mostly clear. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 101. South southeast wind 5 to 10 mph.
 
"Sunny"
Sunny
HIGH 99°
Sunny, with a high near 99. Heat index values as high as 104. South wind 5 to 10 mph.
Sunday Night
 
Monday
"Clear"
Clear
LOW 79°
Clear. Low around 79, with temperatures rising to around 81 overnight. South southeast wind around 10 mph.
 
"Sunny"
Sunny
HIGH 99°
Sunny, with a high near 99. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
 
Tuesday
"Mostly Clear"
Mostly Clear
LOW 80°
Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.
 
"Sunny"
Sunny
HIGH 100°
Sunny, with a high near 100. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
 
Wednesday
"Mostly Clear"
Mostly Clear
LOW 80°
Mostly clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 25 mph.
 
"Sunny"
Sunny
HIGH 100°
Sunny, with a high near 100.
Wednesday Night
 
Thursday
"Mostly Clear"
Mostly Clear
LOW 81°
Mostly clear, with a low around 81.
 
"Sunny"
Sunny
HIGH 101°
Sunny, with a high near 101.
Thursday Night
 
Friday
"Mostly Clear"
Mostly Clear
LOW 80°
Mostly clear, with a low around 80.
 
"Sunny"
Sunny
HIGH 100°
Sunny, with a high near 100.

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