Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

82°F

28°C

Humidity	72%
Wind Speed	E 3 mph
Barometer	30.17 in (1021.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	2 Aug 9:53 am CDT

More Information:

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

Extended Forecast for

Mc Kinney TX

Today
High: 89 °F
Partly Sunny
then Slight
Chance
T-storms
Tonight
Low: 72 °F
Mostly Clear
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Chance
T-storms
Monday
High: 89 °F
Chance
Showers
Monday Night
Low: 71 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 73 °F
Clear
Wednesday
High: 97 °F
Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 89. Northeast wind around 5 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 72. East northeast wind 5 to 10 mph becoming light east in the evening.

Sunday

Mostly sunny, with a high near 91. East southeast wind around 5 mph.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. East wind 5 to 10 mph.

Monday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. East wind around 5 mph.

Monday Night

Mostly clear, with a low around 71. East wind around 5 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.