Areas of Heavy to Excessive Rainfall Which May Bring Flooding

Monsoon moisture will continue to produce areas of heavy to excessive rainfall and potential flooding across the northern Intermountain West today. Debris flows will be possible over recent wildfire burn areas. Heavy to excessive rainfall and flash flooding will be possible across the central Rockies into the south-central Plains and lower Mississippi Valley through Thursday. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

88°F

31°C

Humidity	55%
Wind Speed	Vrbl 7 mph
Barometer	30.13 in (1019.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	27 Aug 1:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Collin County Regional Airport TX

This Afternoon
High: 90 °F
Slight Chance
T-storms
Tonight
Low: 75 °F
Mostly Clear
Thursday
High: 96 °F
Slight Chance
Showers then
Chance
T-storms
Thursday Night
Low: 73 °F
Showers
Likely
Friday
High: 88 °F
Chance
Showers
Friday Night
Low: 69 °F
Chance
Showers
Saturday
High: 84 °F
Chance
Showers
Saturday Night
Low: 68 °F
Slight Chance
Showers
Sunday
High: 85 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 90. Southeast wind around 10 mph.

Tonight

Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 102. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. East southeast wind 5 to 10 mph becoming west northwest in the morning. Chance of precipitation is 40%.

Friday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 69. East northeast wind 5 to 10 mph.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph.

Sunday

A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 85. East northeast wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 66.

Labor Day

Mostly sunny, with a high near 89.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 90.