National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

94°F

34°C

Humidity 49%
Wind Speed S 14 G 25 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 12 Aug 12:53 pm CDT
Extended Forecast for

3 Miles NNW Murphy TX

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 101. Heat index values as high as 110. South wind around 15 mph, with gusts as high as 25 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 80. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 80 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 79. South wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South wind 10 to 15 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 79. South wind 10 to 15 mph.

    Low: 79 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. South southwest wind around 10 mph.

    High: 101 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 110. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 80. South wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 106. South wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 79. South wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
Sunny and hot, with a high near 100. South wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 100. South wind 10 to 15 mph.
Saturday Night
Clear, with a low around 79. South wind 10 to 15 mph.
Sunday
Sunny and hot, with a high near 101. South southwest wind around 10 mph.
Sunday Night
Clear, with a low around 79.
Monday
Sunny and hot, with a high near 102.
Monday Night
Clear, with a low around 80.
Tuesday
Sunny and hot, with a high near 102.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Murphy TX
 33.05°N 96.62°W (Elev. 597 ft)
Last Update:
12:17 pm CDT Aug 12, 2026
Forecast Valid:
1pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation