Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Rain

52°F

11°C

Humidity 92%
Wind Speed SSE 6 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Last update 18 Mar 09:53 PM PDT
Extended Forecast for

2 Miles E Newcastle WA

Flood Watch March 18, 10:18pm until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 18, 10:18pm until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Tonight

    Low: 50 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 52. South southwest wind around 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 50. South wind around 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain.  High near 52. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 37. South southwest wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain and snow before 2pm, then a slight chance of rain.  Partly sunny, with a high near 46. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain after 11am.  Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain. Low around 50. South wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 52. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 50. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 52. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. South southwest wind 6 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and snow before 2pm, then a slight chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 34.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 49.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain. Mostly cloudy, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
8:16 pm PDT Mar 18, 2026
10pm PDT Mar 18, 2026-6pm PDT Mar 25, 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