Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains into the morning. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

44°F

7°C

Humidity 85%
Wind Speed ESE 3 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 02 Apr 01:53 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: A 50 percent chance of rain.  Mostly cloudy, with a low around 40. South wind around 8 mph.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 52. South southwest wind around 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 42. South wind around 8 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. South wind around 6 mph.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 40. South wind around 8 mph.
Thursday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 52. South southwest wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 42. South wind around 8 mph.
Friday
Partly sunny, with a high near 56. South wind around 6 mph.
Friday Night
Partly cloudy, with a low around 39. Light and variable wind.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A slight chance of rain. Mostly clear, with a low around 42.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
11:27 pm PDT Apr 1, 2026
2am PDT Apr 2, 2026-6pm PDT Apr 8, 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