Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Fire Weather Concerns in the Southern High Plains

Severe thunderstorms and the threat for excessive rainfall will move into the mid-Mississippi and lower Ohio Valleys today. There is potential for a few strong tornadoes, damaging wind gusts, large hail, and scattered flash flooding. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

50°F

10°C

Humidity 81%
Wind Speed SSE 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 27 Apr 04:00 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Partly sunny, with a high near 59. Southwest wind 7 to 9 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind 7 to 9 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. South southwest wind around 7 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. Southwest wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 46. South wind 7 to 9 mph.
Tuesday
Mostly cloudy, with a high near 56. South southwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 66. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:35 am PDT Apr 27, 2026
4am PDT Apr 27, 2026-6pm PDT May 3, 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