| Land forecasts for the United States from the National Weather Service |
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LAT: LON: |
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| Plano, TX | ||
| Updated Mon, 24-Aug-2026 8:21pm CDT | ||
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Extreme Heat Warning issued August 24 at 1:30PM CDT until August 25 at 9:00PM CDT |
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Overnight
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Tuesday
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"Mostly Clear"
LOW
84°
Mostly clear. Low around 84, with temperatures rising to around 86 overnight. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
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"Mostly Sunny"
HIGH
105°
Mostly sunny, with a high near 105. Heat index values as high as 105. South southwest wind around 10 mph, with gusts as high as 20 mph.
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Tuesday Night
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Wednesday
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"Partly Cloudy"
LOW
83°
Partly cloudy. Low around 83, with temperatures rising to around 85 overnight. Heat index values as high as 102. South southwest wind around 10 mph.
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"Mostly Sunny"
HIGH
102°
Mostly sunny. High near 102, with temperatures falling to around 100 in the afternoon. Heat index values as high as 105. West southwest wind 5 to 10 mph.
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Wednesday Night
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Thursday
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"Partly Cloudy"
LOW
80°
Partly cloudy. Low around 80, with temperatures rising to around 82 overnight. North wind around 5 mph.
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"Mostly Sunny then Slight Chance Showers And Thunderstorms"
HIGH
100°
A slight chance of showers and thunderstorms after 1pm. Mostly sunny. High near 100, with temperatures falling to around 98 in the afternoon. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
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Thursday Night
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Friday
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"Slight Chance Showers And Thunderstorms"
LOW
78°
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
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"Mostly Sunny"
HIGH
99°
Mostly sunny, with a high near 99. East northeast wind 5 to 10 mph.
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Friday Night
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Saturday
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"Mostly Clear"
LOW
79°
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph.
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"Sunny"
HIGH
100°
Sunny, with a high near 100.
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Saturday Night
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Sunday
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"Mostly Clear"
LOW
79°
Mostly clear, with a low around 79.
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"Sunny"
HIGH
100°
Sunny, with a high near 100.
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Sunday Night
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Monday
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"Clear"
LOW
80°
Clear, with a low around 80.
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"Sunny"
HIGH
100°
Sunny, with a high near 100.
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Script by Saratoga-weather.org. Data provided by NOAA/NWS