Unsettled Across Much of the U.S.

Heavy rain in the Mid-South could produce flash flooding. Rain will expand over the Lower and Central Mississippi Valley and across the Mid-Atlantic and Northeast through mid-week. Accumulating snow continues in the northern tier and 4-Corners. Pacific Northwest mountain and low elevation snow returns mid-week. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

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

A Few Clouds

61°F

16°C

Humidity	97%
Wind Speed	S 8 mph
Barometer	29.85 in (1010.7 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	6 Dec 6:53 am CST

More Information:

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

Detailed forecast for

Collin County

Today

Mostly sunny this morning, then becoming mostly cloudy. A 20 percent chance of showers. Highs in the lower 70s. Southwest winds 5 to 10 mph.

Tonight

Cloudy. A slight chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Northeast winds around 5 mph. Chance of rain 60 percent.

Wednesday

Cloudy with a slight chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon. Highs around 70. Southeast winds around 5 mph. Chance of rain 70 percent.

Wednesday Night

A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Thursday

Mostly cloudy with a 50 percent chance of showers. Highs in the lower 70s. Southwest winds 5 to 10 mph.

Thursday Night

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Cooler with lows around 50. Chance of rain 30 percent.

Friday

Mostly sunny. Highs in the mid 60s.

Friday Night

Mostly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 50 percent.

Saturday

Mostly cloudy with showers likely. A chance of thunderstorms in the morning, then a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 70 percent.

Saturday Night

A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 50. Chance of rain 50 percent.

Sunday

Mostly cloudy in the morning, then becoming partly sunny. A 30 percent chance of showers. Highs in the lower 60s.

Sunday Night

Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s.

Monday

Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 60s.