Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

45°F

7°C

Humidity 93%
Wind Speed SE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 05 Mar 07:20 AM PST
Extended Forecast for

Newcastle WA

  • Today

    Today: Rain likely, mainly before 8am.  Mostly cloudy, with a high near 48. South wind 5 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly after midnight.  Low around 42. South wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain.  High near 49. South wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 47. South wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before 10am.  Cloudy, with a high near 52. South wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 10pm, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow

Detailed Forecast

Today
Rain likely, mainly before 8am. Mostly cloudy, with a high near 48. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after midnight. Low around 42. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 47. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 10am. Cloudy, with a high near 52. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 51. Chance of precipitation is 90%.
Sunday Night
Rain likely before 10pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
Monday
Rain and snow. Mostly cloudy, with a high near 45.
Monday Night
Snow. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow. Mostly cloudy, with a high near 45.
Tuesday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 36.
Wednesday
Rain, possibly mixed with snow. Cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
7:01 am PST Mar 5, 2026
7am PST Mar 5, 2026-6pm PDT Mar 11, 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