Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed N 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Aug 01:00 AM PDT
Extended Forecast for

2 Miles N Newcastle WA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Northeast wind 3 to 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. Light and variable wind becoming north northwest 5 to 7 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. North wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 57. South wind around 8 mph.

    Low: 57 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 67. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Northeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 73. Light and variable wind becoming north northwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 57. South wind around 8 mph.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 67. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 53. Chance of precipitation is 90%.
Thursday
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 65.
Thursday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 51.
Friday
A chance of rain. Partly sunny, with a high near 67.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
A slight chance of rain. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Newcastle WA
 47.57°N 122.15°W (Elev. 397 ft)
11:26 pm PDT Aug 30, 2026
1am PDT Aug 31, 2026-6pm PDT Sep 6, 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