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Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427ft.

Overcast

48°F

9°C

Humidity 81%
Wind Speed SSW 17 G 26 MPH
Barometer 30.00 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Dec 6:00 pm PST
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Rain.  Low around 45. South southwest wind 15 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    Low: 45 °F

  • Monday

    Monday: Rain.  High near 47. East northeast wind 5 to 8 mph becoming south southeast in the morning.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 47 °F

  • Monday
    Night

    Monday Night: Rain.  Low around 42. East wind around 10 mph becoming south southeast after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    Low: 42 °F

  • Tuesday

    Tuesday: Rain.  High near 47. Breezy, with a south wind 18 to 22 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    High: 47 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly before 4am.  Mostly cloudy, with a low around 36. South southwest wind 11 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely

    Low: 36 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers before 10am.  Partly sunny, with a high near 40.

    Chance
    Showers then
    Mostly Sunny

    High: 40 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 30.

    Mostly Clear

    Low: 30 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    Mostly Sunny

    High: 39 °F

  • Thursday
    Night

    Thursday Night: A chance of rain after 10pm.  Mostly cloudy, with a low around 34.

    Chance Rain

    Low: 34 °F

Detailed Forecast

Tonight
Rain. Low around 45. South southwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 47. East northeast wind 5 to 8 mph becoming south southeast in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 42. East wind around 10 mph becoming south southeast after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 47. Breezy, with a south wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely, mainly before 4am. Mostly cloudy, with a low around 36. South southwest wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers before 10am. Partly sunny, with a high near 40.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 37.
Click Map For Forecast
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
6:14 pm PST Dec 17, 2017
6pm PST Dec 17, 2017-6pm PST Dec 24, 2017
 
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