Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

51°F

11°C

Humidity 96%
Wind Speed SSE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 50°F (10°C)
Visibility 5.00 mi
Last update 19 Mar 08:53 AM PDT
Extended Forecast for

2 Miles ENE Newcastle WA

Flood Watch March 19, 09:10am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 19, 09:10am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 51. South southwest wind 9 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain.  High near 54. South southwest wind 13 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 11pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 38. South southwest wind 8 to 17 mph becoming north after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 46. North northwest wind around 7 mph.

    High: 46 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain. High near 54. South southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 51. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 54. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 38. South southwest wind 8 to 17 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of showers, mainly before 11am. Partly sunny, with a high near 46. North northwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
A slight chance of showers after 11am. Mostly cloudy, with a high near 52.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 44.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
7:17 am PDT Mar 19, 2026
9am PDT Mar 19, 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