Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

85°F

29°C

Humidity	48%
Wind Speed	SW 9 mph
Barometer	29.91 in (1012.4 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	18 Nov 1:53 pm CST

More Information:

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

Extended Forecast for

McKinney TX

This Afternoon
High: 87 °F
Slight Chance
T-storms
Tonight
Low: 65 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 75 °F
Showers
Thursday Night
Low: 61 °F
Showers then
Chance
Showers
Friday
High: 75 °F
Slight Chance
Showers then
Sunny
Friday Night
Low: 50 °F
Clear
Saturday
High: 69 °F
Sunny

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening.

Wednesday

Mostly sunny, with a high near 82. South wind 5 to 10 mph.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers and possibly a thunderstorm after noon. High near 75. South wind around 10 mph. Chance of precipitation is 80%.

Thursday Night

Showers, mainly before midnight. Low around 61. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.

Friday

A 20 percent chance of showers before noon. Sunny, with a high near 75. Southwest wind 5 to 10 mph.

Friday Night

Clear, with a low around 50. Southwest wind around 5 mph becoming northwest after midnight.

Saturday

Sunny, with a high near 69. Northwest wind around 5 mph.

Saturday Night

A 20 percent chance of showers. Partly cloudy, with a low around 49.

Sunday

A 40 percent chance of showers. Mostly cloudy, with a high near 67.