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

66°F

19°C

Humidity 41%
Wind Speed NNW 11 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 09 Apr 03:53 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly clear, with a low around 44. North wind 5 to 7 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming light and variable in the evening.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 56. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 46. West wind around 6 mph becoming light and variable in the evening.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. North wind 5 to 7 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming light and variable in the evening.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 56. 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 46. West wind around 6 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 56.
Sunday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Mostly cloudy, with a high near 52.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A chance of rain after 11am. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
4pm PDT Apr 9, 2026-6pm PDT Apr 16, 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