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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

63°F

17°C

Humidity 42%
Wind Speed NNW 11 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Apr 01:55 PM PDT
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. North northwest wind around 7 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. North wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 58. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Mostly cloudy, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 66. North northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 44. North wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68. Light and variable wind.
Friday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 49. Light and variable wind.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 58. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 47.
Sunday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 58.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 46.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 44.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 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