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

Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Overcast

36°F

2°C

Humidity 86%
Wind Speed E 8 mph
Barometer 30.22 in (1024.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 1 Dec 3:53 am CST
Extended Forecast for

Allen TX

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 35. East wind around 5 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly between noon and 3pm. Cloudy, with a high near 42. East wind 5 to 10 mph becoming north in the afternoon.

    High: 42 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 50. North northwest wind around 5 mph becoming south southeast in the afternoon.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. South southeast wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Southeast wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after noon. Cloudy, with a high near 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Cloudy, with a low around 36. North northeast wind 5 to 10 mph.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 35. East wind around 5 mph.
Monday
A 30 percent chance of showers, mainly between noon and 3pm. Cloudy, with a high near 42. East wind 5 to 10 mph becoming north in the afternoon.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 50. North northwest wind around 5 mph becoming south southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 37. South southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Southeast wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 20 mph.
Thursday
A 50 percent chance of showers, mainly after noon. Cloudy, with a high near 45. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers. Cloudy, with a low around 36. North northeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allen TX
 33.1°N 96.67°W (Elev. 656 ft)
Last Update:
11:21 pm CST Nov 30, 2025
Forecast Valid:
4am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation