Wintry Precipitation for the Northeast; Increasing Severe Weather Threat from the Plains to the Midwest

Wintry mixed precipitation will spread across the Northeast today, with light snow and ice accumulations forecast through southern New England. Meanwhile, the threat of severe weather will be increasing from the southern Plains to the Midwest, with rounds of showers and thunderstorms, some severe, expected each day through Friday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

55°F

13°C

Humidity 74%
Wind Speed S 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 03 Mar 02:53 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Rain, mainly before 4pm.  High near 53. South southwest wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Tonight

    Tonight: Rain, mainly after 8pm.  Low around 47. South wind 7 to 9 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then rain and possibly a thunderstorm after 4pm.  High near 53. Southwest wind around 7 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Rain.  Low around 42. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 48. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Friday

    Friday: Rain.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Cloudy, with a low around 47.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain likely.  Cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain, mainly before 4pm. High near 53. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 8pm. Low around 47. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 53. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 48. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 51. Chance of precipitation is 80%.
Friday Night
Rain. Cloudy, with a low around 47.
Saturday
Rain likely. Cloudy, with a high near 53.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
1:25 pm PST Mar 3, 2026
3pm PST Mar 3, 2026-6pm PDT Mar 10, 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