Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

95°F

35°C

Humidity	39%
Wind Speed	S 13 G 23 mph
Barometer	29.96 in (1013.7 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	10 Jul 2:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles ESE Allen TX

This Afternoon
High: 100 °F
Hot
Tonight
Low: 80 °F
Clear
Saturday
High: 98 °F
Sunny
Saturday Night
Low: 80 °F
Mostly Clear
Sunday
High: 96 °F
Sunny then
Chance
T-storms
Sunday Night
Low: 76 °F
Showers
Likely
Monday
High: 93 °F
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 91 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 100. Heat index values as high as 104. South wind around 15 mph, with gusts as high as 20 mph.

Tonight

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

Saturday

Sunny, with a high near 98. Heat index values as high as 103. South wind around 10 mph.

Saturday Night

Mostly clear, with a low around 80. South wind 5 to 10 mph.

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Southwest wind around 5 mph.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southeast wind around 5 mph. Chance of precipitation is 60%.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. South wind around 5 mph.

Monday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 74. East wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.

Tuesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. West southwest wind around 5 mph becoming south southeast in the morning.

Tuesday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Wednesday Night

Partly cloudy, with a low around 76.

Thursday

Mostly sunny, with a high near 95.