Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

48°F

9°C

Humidity 57%
Wind Speed NW 4 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 15 Mar 03:35 PM PDT
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow, mainly after 4pm.  High near 46. Light south wind.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Tonight

    Tonight: Rain likely, mainly after 10pm.  Cloudy, with a low around 42. South wind 7 to 9 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain, mainly before noon.  High near 55. South wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Cloudy, with a low around 48. South wind 7 to 9 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 53. South wind around 9 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 51.

    Low: 51 °F

    Rain

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 56.

    High: 56 °F

    Rain

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow, mainly after 4pm. High near 46. Light south wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain likely, mainly after 10pm. Cloudy, with a low around 42. South wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before noon. High near 55. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 48. South wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 53. South wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 55. Chance of precipitation is 100%.
Wednesday Night
Rain. Cloudy, with a low around 51.
Thursday
Rain. Cloudy, with a high near 56.
Thursday Night
Rain. Cloudy, with a low around 48.
Friday
Rain likely. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Mostly cloudy, with a high near 51.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
2:25 pm PDT Mar 15, 2026
3pm PDT Mar 15, 2026-6pm PDT Mar 22, 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