Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Flood Advisory in effect from August 30, 11:10 AM CDT until August 30, 02:15 PM CDT
Flash Flood Warning in effect from August 30, 11:38 AM CDT until August 30, 02:45 PM CDT

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Thunderstorm in Vicinity Rain Fog/Mist

72°F

22°C

Humidity	94%
Wind Speed	NE 7 mph
Barometer	30.00 in (1015.6 mb)
Dewpoint	70°F (21°C)
Visibility	6.00 mi
Last update	30 Aug 12:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles ESE Allen TX

Flood Advisory until August 30, 02:15pm

Flash Flood Warning until August 30, 02:45pm

Click here for hazard details and duration

...

Flash Flood Warning

Flood Advisory until August 30, 02:15pm
Flash Flood Warning until August 30, 02:45pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 82 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
Showers then
Showers
Likely
Sunday
High: 81 °F
Showers
Sunday Night
Low: 70 °F
Chance
Showers
Labor Day
High: 85 °F
Slight Chance
Showers
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms before 4pm. Mostly cloudy, with a high near 82. East wind around 5 mph.

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 72. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. East southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Labor Day

A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. Northeast wind around 5 mph.

Monday Night

Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 87. West northwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 65. North wind 5 to 10 mph.

Wednesday

Sunny, with a high near 87. North wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 65.