Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Mostly Cloudy

80°F

27°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 30.15 in (1020.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Jul 10:53 am CDT
Extended Forecast for

Allen TXSimilar City Names

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly before 4pm.  Partly sunny, with a high near 86. Southeast wind around 5 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. Heat index values as high as 99. East southeast wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 73. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 86. Southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 99. East southeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Allen TXSimilar City Names
 33.12°N 96.67°W (Elev. 653 ft)
6:06 am CDT Jul 13, 2026
11am CDT Jul 13, 2026-6pm CDT Jul 19, 2026
 
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