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.

Rain

48°F

9°C

Humidity 87%
Wind Speed NNW 6 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 04 Mar 02:00 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then rain and possibly a thunderstorm after 4pm.  High near 50. West wind around 6 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Mostly cloudy, with a low around 41. South southeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 4pm.  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

  • Thursday Night

    Thursday Night: Rain.  Low around 42. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain.  High near 50. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 47. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Rain likely.  Cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely.  Cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then rain and possibly a thunderstorm after 4pm. High near 50. West wind around 6 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 after 5am. Mostly cloudy, with a low around 41. South southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely, mainly after 4pm. 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.
Thursday Night
Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 50. South wind around 7 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 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely. Cloudy, with a high near 52. Chance of precipitation is 60%.
Saturday Night
Rain likely. Cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 51.
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
Rain and snow likely. Mostly cloudy, with a low around 34.
Tuesday
Rain and snow. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:25 pm PST Mar 4, 2026
2pm 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