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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

43°F

6°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 26 Mar 12:20 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A slight chance of rain and snow between 1am and 2am. Partly cloudy, with a low around 33. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Sunny, with a high near 50. South southeast wind around 7 mph becoming southwest in the afternoon.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. North wind 3 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. North wind 5 to 9 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 11am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
A slight chance of rain and snow between 1am and 2am. Partly cloudy, with a low around 33. South wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 50. South southeast wind around 7 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 35. Light and variable wind.
Friday
Mostly sunny, with a high near 55. North wind 3 to 8 mph.
Friday Night
Mostly cloudy, with a low around 37. North wind 5 to 9 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A chance of rain after 11am. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 38.
Monday
A chance of rain. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Partly cloudy, with a low around 35.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 51.
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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:
11:27 pm PDT Mar 25, 2026
Forecast Valid:
12am PDT Mar 26, 2026-6pm PDT Apr 1, 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