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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

light rain,mist

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 36°F (2°C)
Visibility 3.00 mi
Last update 17 Feb 04:20 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: A chance of rain and snow showers. Partly sunny, with a high near 42. Light west southwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 1am, then snow showers likely. Mostly cloudy, with a low around 32. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 41. South wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: A 20 percent chance of snow showers. Mostly sunny, with a high near 40. North northwest wind 5 to 7 mph.

    High: 40 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 40 percent chance of snow, mainly after 10am. Partly sunny, with a high near 42. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

This Afternoon
A chance of rain and snow showers. Partly sunny, with a high near 42. Light west southwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 1am, then snow showers likely. Mostly cloudy, with a low around 32. Light south wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 41. South wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow showers. Mostly sunny, with a high near 40. North northwest wind 5 to 7 mph.
Thursday Night
A slight chance of snow showers before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Friday
A 40 percent chance of snow, mainly after 10am. Partly sunny, with a high near 42. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 33.
Saturday
A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 38.
Monday
Rain likely. Mostly cloudy, with a high near 50.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
1:26 pm PST Feb 17, 2026
Forecast Valid:
4pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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