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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

37°F

3°C

Humidity 82%
Wind Speed NW 8 mph
Barometer 30.30 in (1027.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Dec 10:53 pm CST
Extended Forecast for

3 Miles SSW Collin County Regional Airport TX

  • Tonight

    Tonight: Partly cloudy, with a low around 31. North wind 5 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52. North wind around 5 mph becoming calm in the afternoon.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. South southwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. North northeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind becoming south around 5 mph in the morning.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Southeast wind 5 to 10 mph becoming north northeast after midnight.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. North wind 5 to 10 mph.
Monday
Sunny, with a high near 52. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Tuesday
Sunny, with a high near 62. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 64. South southwest wind 5 to 10 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 39. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 65. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 41. Southeast wind 5 to 10 mph becoming north northeast after midnight.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Collin County Regional Airport TX
 33.14°N 96.62°W (Elev. 548 ft)
Last Update:
11:21 pm CST Dec 7, 2025
Forecast Valid:
11pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
Forecast Discussion
 
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