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 and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20ft.

Lt Snow, Fog

32°F

0°C

Humidity 93%
Wind Speed ENE 3 MPH
Barometer 30.19 in
Dewpoint 30°F (-1°C)
Visibility 1.75 mi
Last update 21 Feb 11:35 pm PST
Extended Forecast for

South Seattle WA

  • Today

    Today: Snow likely before 4pm, then rain and snow likely.  Cloudy, with a high near 37. Wind chill values between 21 and 26. South wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    Snow Likely
    then
    Rain/Snow
    Likely

    High: 37 °F

  • Tonight

    Tonight: Rain and snow likely before 10pm, then rain between 10pm and 4am, then rain and snow likely after 4am.  Low around 34. Wind chill values between 22 and 27. Breezy, with a south southwest wind around 24 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Rain/Snow and
    Breezy

    Low: 34 °F

  • Saturday

    Saturday: Rain and snow showers likely before 10am, then a chance of rain showers.  Mostly cloudy, with a high near 44. Southwest wind 5 to 7 mph becoming light and variable  in the afternoon.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Rain/Snow
    Likely then
    Chance
    Showers

    High: 44 °F

  • Saturday
    Night

    Saturday Night: A chance of showers before 10pm, then rain likely after 10pm.  Cloudy, with a low around 38. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Breezy

    Low: 38 °F

  • Sunday

    Sunday: Rain likely before 10am, then showers, mainly after 10am.  High near 43. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers and
    Breezy

    High: 43 °F

  • Sunday
    Night

    Sunday Night: Rain showers likely before 10pm, then snow showers likely.  Cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Rain/Snow
    Likely then
    Snow Showers
    Likely

    Low: 32 °F

  • Monday

    Monday: A 50 percent chance of snow showers before 4pm.  Mostly cloudy, with a high near 42. New snow accumulation of less than a half inch possible.

    Chance Snow
    Showers

    High: 42 °F

  • Monday
    Night

    Monday Night: A chance of rain showers before 10pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 33.

    Chance
    Rain/Snow

    Low: 33 °F

  • Tuesday

    Tuesday: Showers likely.  Mostly cloudy, with a high near 44.

    Showers
    Likely

    High: 44 °F

Detailed Forecast

Today
Snow likely before 4pm, then rain and snow likely. Cloudy, with a high near 37. Wind chill values between 21 and 26. South wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow likely before 10pm, then rain between 10pm and 4am, then rain and snow likely after 4am. Low around 34. Wind chill values between 22 and 27. Breezy, with a south southwest wind around 24 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Rain and snow showers likely before 10am, then a chance of rain showers. Mostly cloudy, with a high near 44. Southwest wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A chance of showers before 10pm, then rain likely after 10pm. Cloudy, with a low around 38. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely before 10am, then showers, mainly after 10am. High near 43. Breezy, with a west southwest wind 18 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain showers likely before 10pm, then snow showers likely. Cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow showers before 4pm. Mostly cloudy, with a high near 42. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 33.
Tuesday
Showers likely. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 46.
Click Map For Forecast
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
5:57 am PST Feb 23, 2018
10am PST Feb 23, 2018-6pm PST Mar 1, 2018
 
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