Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Flood Watch until July 13, 07:00 PM CDT

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

77°F

25°C

Humidity	77%
Wind Speed	Calm
Barometer	30.03 in (1016.6 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	13 Jul 9:53 am CDT

More Information:

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

Extended Forecast for

McKinney TX

Flood Watch July 13, 10:57am until July 13, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 13, 10:57am until July 13, 07:00pm
NOW until 7:00pm Sun
Flood Watch
Today
High: 88 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms then
Chance
Showers
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 74 °F
Partly Cloudy
Tuesday
High: 94 °F
Mostly Sunny
Tuesday Night
Low: 76 °F
Partly Cloudy
Wednesday
High: 95 °F
Mostly Sunny
Wednesday Night
Low: 76 °F
Partly Cloudy

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. South wind around 5 mph.

Monday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Heat index values as high as 100. South wind around 5 mph.

Monday Night

Partly cloudy, with a low around 74. South wind around 5 mph.

Tuesday

Mostly sunny, with a high near 94. South wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 76. South wind 5 to 10 mph.

Wednesday

Mostly sunny, with a high near 95. South wind 5 to 10 mph, with gusts as high as 20 mph.