Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

39°F

4°C

Humidity 100%
Wind Speed SSE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 Feb 08:00 AM PST
Extended Forecast for

Newcastle WA

  • Today

    Today: A 30 percent chance of rain, mainly between 10am and 1pm.  Mostly cloudy, with a high near 45. South wind around 6 mph becoming northwest in the afternoon.

    High: 45 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. North northeast wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 43. North wind around 6 mph.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 10pm, then a chance of rain and snow after 4am.  Mostly cloudy, with a low around 33. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Rain and snow likely before 1pm, then rain likely between 1pm and 4pm, then a chance of rain and snow after 4pm.  Mostly cloudy, with a high near 42. South wind 5 to 7 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow, mainly after 4am.  Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm.  Partly sunny, with a high near 44. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Tuesday Night

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

    Low: 33 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow.  Partly sunny, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A 30 percent chance of rain, mainly between 10am and 1pm. Mostly cloudy, with a high near 45. South wind around 6 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, with a low around 35. North northeast wind around 5 mph.
Sunday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 43. North wind around 6 mph.
Sunday Night
A slight chance of rain before 10pm, then a chance of rain and snow after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Washington's Birthday
Rain and snow likely before 1pm, then rain likely between 1pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 42. South wind 5 to 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 44. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 44.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 34.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 42.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Friday
Rain and snow likely. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
7:01 am PST Feb 14, 2026
8am PST Feb 14, 2026-6pm PST Feb 20, 2026
 
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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