Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

75°F

24°C

Humidity 44%
Wind Speed NW 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 04:00 PM PDT
Extended Forecast for

3 Miles SE Newcastle WA

Heat Advisory June 22, 11:00am until June 24, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 55. North wind around 6 mph becoming calm  after midnight.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming north 5 to 8 mph in the morning.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Northeast wind 3 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. North northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 55. North wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 85. Calm wind becoming north 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 59. Northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. North northwest wind around 6 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 55.
Friday
Rain. Cloudy, with a high near 63.
Friday Night
Rain. Mostly cloudy, with a low around 53.
Saturday
Rain likely. Mostly cloudy, with a high near 64.
Saturday Night
Rain likely. Mostly cloudy, with a low around 52.
Sunday
A chance of rain. Mostly cloudy, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
11:26 am PDT Jun 21, 2026
4pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database