Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms For The Upper Midwest; Monsoon Continues In The Southwest

Strong to severe thunderstorms will be possible today in portions of the upper Midwest into the Great Lakes region. Heavy rain, large hail, and damaging winds will all be possible, but a tornado cannot be ruled out either. The monsoonal flash flood threat remains until midweek in the Desert Southwest and Southern Rockies. Hot temperatures return to the middle of the country today. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

93°F

34°C

Humidity 54%
Wind Speed S 10 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 25 Jul 3:53 pm CDT
Extended Forecast for

Allen TXSimilar City Names

Heat Advisory until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 27, 08:00pm

    NOW until
    8:00pm Thu

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 97. Heat index values as high as 106. South southeast wind around 10 mph.

    Mostly Sunny

    High: 97 °F

  • Tonight

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

    Mostly Clear

    Low: 77 °F

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 110. South wind around 10 mph.

    Hot

    High: 99 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 78. South wind 10 to 15 mph.

    Mostly Clear

    Low: 78 °F

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Southwest wind around 10 mph.

    Hot

    High: 99 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 79. South wind around 5 mph.

    Partly Cloudy

    Low: 79 °F

  • Friday

    Friday: Partly sunny, with a high near 97. Southwest wind around 5 mph becoming northwest in the afternoon.

    Partly Sunny

    High: 97 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. Northeast wind around 5 mph.

    Slight Chance
    T-storms

    Low: 77 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 97. Heat index values as high as 106. South southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 110. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 10 to 15 mph.
Thursday
Sunny and hot, with a high near 99. Southwest wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 79. South wind around 5 mph.
Friday
Partly sunny, with a high near 97. Southwest wind around 5 mph becoming northwest in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 95. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Allen TXSimilar City Names
 33.12°N 96.67°W (Elev. 653 ft)
3:24 pm CDT Jul 25, 2017
4pm CDT Jul 25, 2017-6pm CDT Aug 1, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database