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

46°F

8°C

Humidity 81%
Wind Speed S 5 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 05 Mar 03:15 AM PST
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A 50 percent chance of rain.  Mostly cloudy, with a low around 42. South southeast wind around 6 mph.

    Low: 42 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before 8am.  Mostly cloudy, with a high near 49. South wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after midnight.  Low around 43. South wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain.  High near 50. South wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 48. South wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before 10am.  Cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Sunday

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

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 4am, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 42. South southeast wind around 6 mph.
Thursday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 49. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after midnight. Low around 43. 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 50. 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 48. South wind around 7 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 54. 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 48. Chance of precipitation is 60%.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Rain likely before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
Monday
Rain likely, possibly mixed with snow before 10am, then rain. Mostly cloudy, with a high near 47.
Monday Night
Rain and snow. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow. Mostly cloudy, with a high near 46.
Tuesday Night
Rain and snow. Mostly cloudy, with a low around 36.
Wednesday
Rain, possibly mixed with snow. Cloudy, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
1:26 am PST Mar 5, 2026
3am 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