Early Week Impacts Include Monsoon and Heat

Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the from the Southwest into the Four Corners and central Rockies through midweek. Summer heat with above normal temperatures are likely for the central Plains into Tuesday. Excessive heat is expected to build across the Northwest and the Central Valley of California by Tuesday, lasting for a few days. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

83°F

28°C

Humidity 65%
Wind Speed S 8 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Aug 12:53 am CDT
Extended Forecast for

Melissa TX

  • Overnight

    Overnight: Partly cloudy, with a low around 77. South wind around 5 mph.

    Partly Cloudy

    Low: 77 °F

  • Monday

    Monday: Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Hot

    High: 100 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Mostly Clear

    Low: 78 °F

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.

    Hot

    High: 102 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 79. South wind 5 to 10 mph.

    Partly Cloudy

    Low: 79 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 102. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 102 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 71. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    Low: 71 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 91. North wind 5 to 10 mph.

    Chance
    T-storms

    High: 91 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 70. Northeast wind 5 to 10 mph becoming light east  in the evening.

    Mostly Clear

    Low: 70 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. South wind around 5 mph.
Monday
Sunny and hot, with a high near 100. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 102. South southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 79. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 70. Northeast wind 5 to 10 mph becoming light east in the evening.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Click Map For Forecast
Point Forecast:
Melissa TX
 33.3°N 96.57°W (Elev. 643 ft)
1:16 am CDT Aug 15, 2022
1am CDT Aug 15, 2022-6pm CDT Aug 21, 2022
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database