Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

100°F

38°C

Humidity	33%
Wind Speed	Vrbl 3 mph
Barometer	29.93 in (1012.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	1 Sep 4:53 pm CDT

More Information:

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

Extended Forecast for

Melissa TX

This Afternoon
High: 97 °F
Slight Chance
Showers
Tonight
Low: 75 °F
Slight Chance
Showers then
Mostly Clear
Wednesday
High: 95 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 75 °F
Slight Chance
T-storms then
Chance
Showers
Thursday
High: 92 °F
Chance
Showers
Thursday Night
Low: 75 °F
Slight Chance
T-storms
Friday
High: 95 °F
Slight Chance
Showers
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 97 °F
Sunny

Detailed Forecast

This Afternoon

A 10 percent chance of showers. Sunny, with a high near 97. Heat index values as high as 101. Southeast wind around 10 mph.

Tonight

A 10 percent chance of showers before 7pm. Mostly clear, with a low around 75. Southeast wind around 5 mph.

Wednesday

A 10 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 103. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday

A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night

A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

Friday

A 10 percent chance of showers before 1pm. Sunny, with a high near 95. South wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

Saturday

Sunny, with a high near 97. South wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 76.

Sunday

Sunny, with a high near 98.

Sunday Night

Mostly clear, with a low around 76.