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Heavy Rain and Potential for Flash Flooding in the Southwest and Central U.S.

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

87°F

31°C

Humidity 61%
Wind Speed SW 9 mph
Barometer 30.04 in (1016.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 27 Jul 9:53 am CDT
Extended Forecast for

Melissa TX

Heat Advisory until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 28, 08:00pm

    NOW until
    8:00pm Fri

    Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 98. Heat index values as high as 107. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 98 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 78. South wind around 10 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 78 °F

  • Friday

    Friday: Partly sunny, with a high near 97. Heat index values as high as 104. South southwest wind 5 to 10 mph becoming north in the afternoon.

    Partly Sunny

    High: 97 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. North northeast wind around 5 mph.

    Chance
    T-storms

    Low: 75 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. Northeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 94 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 74. East northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 74 °F

  • Sunday

    Sunday: Partly sunny, with a high near 92. East wind around 5 mph.

    Partly Sunny

    High: 92 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 71. East wind around 5 mph.

    Partly Cloudy

    Low: 71 °F

Detailed Forecast

Today
Mostly sunny, with a high near 98. Heat index values as high as 107. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. South wind around 10 mph.
Friday
Partly sunny, with a high near 97. Heat index values as high as 104. South southwest wind 5 to 10 mph becoming north in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. North northeast wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 74. East northeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 92. East wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 71. East wind around 5 mph.
Monday
Mostly sunny, with a high near 90. East wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Click Map For Forecast
Point Forecast:
Melissa TX
 33.28°N 96.57°W (Elev. 646 ft)
3:41 am CDT Jul 27, 2017
10am CDT Jul 27, 2017-6pm CDT Aug 2, 2017
 
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