Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Flood Watch until July 13, 07:00 PM CDT

Current conditions at

McKinney - McKinney National Airport (KTKI)

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

Fair

74°F

23°C

Humidity	91%
Wind Speed	S 6 mph
Barometer	29.99 in (1015.0 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	12 Jul 11:53 pm CDT

More Information:

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

Detailed forecast for

Collin County

Tonight

Mostly cloudy. A chance of showers and thunderstorms this evening, then showers and thunderstorms likely after midnight. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent.

Sunday

Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph.

Sunday Night

Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent.

Monday

Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers and thunderstorms. Humid with highs in the upper 80s. South winds 5 to 10 mph.

Monday Night

Partly cloudy. Humid with lows in the mid 70s. South winds around 5 mph.

Tuesday

Mostly sunny. Highs in the lower 90s.

Tuesday Night

Mostly clear. Lows in the mid 70s.

Wednesday

Mostly sunny. Highs in the mid 90s.

Wednesday Night

Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.

Thursday

Mostly sunny. Highs in the mid 90s. Heat index values up to 105.