Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18° N Lon: 96.59° W Elev: 584 ft.

Overcast

71°F

22°C

Humidity	76%
Wind Speed	SW 7 mph
Barometer	29.84 in (1010.3 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	17 May 9:53 am CDT

More Information:

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

Detailed forecast for

Collin County

Today

Partly sunny. Patchy fog this morning. A 30 percent chance of showers and thunderstorms this afternoon. Warmer with highs in the lower 80s. Northwest winds around 5 mph.

Tonight

Partly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Southeast winds around 5 mph in the evening, becoming light and variable.

Saturday

Sunny. Highs in the upper 80s. South winds around 5 mph.

Saturday Night

Clear. Lows in the upper 60s. Southeast winds around 5 mph.

Sunday

Sunny. Highs in the lower 90s. South winds 5 to 10 mph.

Sunday Night

Mostly clear. Lows in the lower 70s.

Monday

Sunny. Highs in the lower 90s.

Monday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

Tuesday

Partly sunny. Highs in the lower 90s.

Tuesday Night

Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the lower 70s.

Wednesday

Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 80s.

Wednesday Night

Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the upper 60s.

Thursday

Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.