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

46°F

8°C

Humidity 70%
Wind Speed N 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Feb 05:53 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. North northeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. North wind around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: 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

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Snow likely, possibly mixed with rain, mainly after 10am.  Mostly cloudy, with a high near 43. South wind 6 to 8 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before 10pm, then a chance of snow.  Mostly cloudy, with a low around 32. Southeast wind around 6 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely before 1pm, then rain and snow likely.  Mostly cloudy, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am, then a chance of snow.  Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain and snow likely.  Mostly cloudy, with a high near 42.

    High: 42 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 10pm, then a chance of snow.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. North northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 44. North wind around 5 mph.
Sunday Night
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
Snow likely, possibly mixed with rain, mainly after 10am. Mostly cloudy, with a high near 43. South wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 32. Southeast wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 42.
Wednesday Night
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 33.
Thursday
Snow likely before 4pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:26 pm PST Feb 14, 2026
6pm PST Feb 14, 2026-6pm PST Feb 21, 2026
 
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