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

Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Current conditions at

UNIVERSITY OF WASHINGTON (UWASH)

Lat: 47.65°NLon: 122.31°WElev: 190ft.

NA

40°F

4°C

Humidity 86%
Wind Speed NNE 0 G 3 MPH
Barometer 1027.3 mb
Dewpoint 36°F (2°C)
Visibility NA
Last update 18 Feb 6:55 pm PST
Extended Forecast for

Downtown Seattle WA

  • Tonight

    Tonight: A slight chance of showers between 10pm and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 35 °F

  • Tuesday

    Tuesday: Rain likely, mainly after 10am. Cloudy, with a high near 42. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    High: 42 °F

  • Tuesday
    Night

    Tuesday Night: Rain. Low around 35. Calm wind becoming south southwest around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    Low: 35 °F

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 42. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely then
    Chance
    Showers

    High: 42 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 30. North wind 3 to 8 mph.

    Mostly Cloudy

    Low: 30 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    Mostly Sunny

    High: 43 °F

  • Thursday
    Night

    Thursday Night: A 10 percent chance of snow after 4am. Partly cloudy, with a low around 30.

    Partly Cloudy
    then Slight
    Chance Snow

    Low: 30 °F

  • Friday

    Friday: A slight chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 43.

    Chance
    Rain/Snow
    then Chance
    Rain

    High: 43 °F

  • Friday
    Night

    Friday Night: Rain likely. Cloudy, with a low around 35.

    Rain Likely

    Low: 35 °F

Detailed Forecast

Tonight
A slight chance of showers between 10pm and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 35. South wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
Rain likely, mainly after 10am. Cloudy, with a high near 42. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 35. Calm wind becoming south southwest around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 42. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 30. North wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 30.
Friday
A slight chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 43.
Friday Night
Rain likely. Cloudy, with a low around 35.
Saturday
Rain. Mostly cloudy, with a high near 43.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow showers. Mostly cloudy, with a high near 42.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 41.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Downtown Seattle WA
 47.63°N 122.33°W (Elev. 39 ft)
Last Update:
6:05 pm PST Feb 18, 2019
Forecast Valid:
9pm PST Feb 18, 2019-6pm PST Feb 25, 2019
 
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Additional Resources

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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