National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 29.90 in (1012.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 3 Aug 5:53 am CDT
Extended Forecast for

Melissa TX

  • Today

    Today: Sunny, with a high near 97. East wind around 5 mph becoming south in the morning.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. East southeast wind 5 to 10 mph.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. South wind around 10 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 97. East wind around 5 mph becoming south in the morning.
Tonight
Clear, with a low around 75. East southeast wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind around 10 mph.
Thursday
Sunny, with a high near 97. South wind around 10 mph.
Thursday Night
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Friday
Sunny, with a high near 96. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 95.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melissa TX
 33.28°N 96.57°W (Elev. 646 ft)
Last Update:
1:26 am CDT Aug 3, 2026
Forecast Valid:
6am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation