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 Thursday 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

48°F

9°C

Humidity 76%
Wind Speed N 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 08 Apr 11:15 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the morning.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. North wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West southwest wind 3 to 5 mph.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Calm wind.
Thursday
Sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 45. North wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 70. Light and variable wind.
Friday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West southwest wind 3 to 5 mph.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
Mostly cloudy, with a high near 56.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 44.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.56°N 122.18°W (Elev. 207 ft)
Last Update:
11:26 pm PDT Apr 8, 2026
Forecast Valid:
11pm PDT Apr 8, 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