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

81°F

27°C

Humidity	74%
Wind Speed	S 12 mph
Barometer	29.99 in (1014.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	10 Jul 7:53 am CDT

More Information:

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

Extended Forecast for

5 Miles NW Allen TX

Today
High: 99 °F
Hot
Tonight
Low: 79 °F
Mostly Clear
Saturday
High: 98 °F
Sunny
Saturday Night
Low: 80 °F
Mostly Clear
Sunday
High: 96 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 75 °F
T-storms
Likely
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 74 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 92 °F
Slight Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 99. Heat index values as high as 103. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 79. South wind 10 to 15 mph.

Saturday

Sunny, with a high near 98. Heat index values as high as 104. South wind around 10 mph.

Saturday Night

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

Sunday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South southwest wind 5 to 10 mph.

Sunday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.

Monday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. East southeast wind 5 to 10 mph.

Monday Night

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

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 74.

Wednesday

A 20 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.