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.

Thunderstorm Heavy Rain Fog/Mist

70°F

21°C

Humidity	93%
Wind Speed	S 18 G 26 mph
Barometer	29.98 in (1014.7 mb)
Dewpoint	68°F (20°C)
Visibility	1.75 mi
Last update	12 Jul 8:53 pm CDT

More Information:

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

Extended Forecast for

Allen TX

Flood Watch July 12, 09:51pm until July 13, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 12, 09:51pm until July 13, 07:00pm
NOW until 7:00pm Sun
Flood Watch
Tonight
Low: 74 °F
T-storms
Likely
Sunday
High: 87 °F
Chance
T-storms
Sunday Night
Low: 73 °F
Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 75 °F
Partly Cloudy
Tuesday
High: 94 °F
Mostly Sunny
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 95 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 74. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South southwest wind 5 to 10 mph. New rainfall amounts between three quarters and one inch possible.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 5 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Heat index values as high as 98. South southwest wind 5 to 10 mph.

Monday Night

Partly cloudy, with a low around 75. South wind around 5 mph.

Tuesday

Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 76. South wind 5 to 10 mph.

Wednesday

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

Wednesday Night

Mostly clear, with a low around 76. South wind 5 to 10 mph.

Thursday

Mostly sunny, with a high near 96.