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

Several rounds of severe thunderstorms are forecast from the southern Plains to the Midwest today through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the southeastern U.S. and parts of the central U.S. into next week. Several daily record high maximum and high minimum temperature records are likely to be broken. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

52°F

11°C

Humidity 81%
Wind Speed SW 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Last update 04 Mar 09:35 AM PST
Extended Forecast for

Newcastle WA

  • Today

    Today: Rain and possibly a thunderstorm.  High near 52. Southwest wind 6 to 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers
    Likely then
    Showers

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 42. South wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain.  High near 49. South southwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 43. South wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain.  High near 51. South wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 47. 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 after 4pm.  Cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Today
Rain and possibly a thunderstorm. High near 52. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 49. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 43. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 51. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 47. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 4pm. Cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly after 4am. Cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Rain before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 39.
Monday
Rain, possibly mixed with snow. Cloudy, with a high near 47.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
7:01 am PST Mar 4, 2026
9am PST Mar 4, 2026-6pm PDT Mar 10, 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