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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Partly Cloudy

52°F

11°C

Humidity 76%
Wind Speed WSW 5 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Jan 01:00 PM PST
Extended Forecast for

5 Miles WSW Des Moines WA

  • This Afternoon

    This Afternoon: Patchy fog. Otherwise, mostly cloudy, with a high near 51. Light north northeast wind.

    High: 51 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 45. North wind 3 to 7 mph.

    Low: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a steady temperature around 47. North northeast wind around 10 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. North northeast wind around 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. North northeast wind around 7 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 50.

    High: 50 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Patchy fog. Otherwise, mostly cloudy, with a high near 51. Light north northeast wind.
Tonight
Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 45. North wind 3 to 7 mph.
Thursday
Partly sunny, with a steady temperature around 47. North northeast wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 40. North northeast wind around 9 mph.
Friday
Sunny, with a high near 51. North northeast wind around 7 mph.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 51.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 37.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 50.
Sunday Night
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly clear, with a low around 37.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 48.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 37.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Des Moines WA
 47.38°N 122.41°W (Elev. 351 ft)
Last Update:
7:00 am PST Jan 14, 2026
Forecast Valid:
1pm PST Jan 14, 2026-6pm PST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation