Heavy Rain and Flooding Threat in the Central U.S.; Winter Weather in Northern Alaska

Strong thunderstorms and heavy rain may produce flash flooding across the south-central Plains and lower Mississippi Valley today. The North Slope in Alaska will see the potential for wintry weather through today with ice accumulations possible on roadways. Incoming storms will bring long duration rainfall and strong winds to most of Southcentral Alaska through Friday. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

79°F

26°C

Humidity	79%
Wind Speed	S 10 mph
Barometer	30.03 in (1016.2 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	28 Aug 7:53 am CDT

More Information:

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

Extended Forecast for

4 Miles W Van Alstyne TX

Today
High: 95 °F
Chance
T-storms
Tonight
Low: 71 °F
Showers
Likely
Friday
High: 85 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 82 °F
Chance
Showers
Saturday Night
Low: 68 °F
Slight Chance
Showers then
Slight Chance
T-storms
Sunday
High: 81 °F
Slight Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Partly Cloudy
Labor Day
High: 86 °F
Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Southwest wind around 10 mph.

Tonight

Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. East northeast wind 5 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.

Sunday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.

Labor Day

Sunny, with a high near 86. Calm wind becoming northeast around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Mostly clear, with a low around 67.

Wednesday

Mostly sunny, with a high near 90.