
Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains
Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. 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
55°F
13°C
| Humidity | 62% |
| Wind Speed | SSW 6 MPH |
| Barometer | 30.09 in (1018.96 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 27 Apr 09:15 PM PDT |
Extended Forecast for
Newcastle WA
Tonight

Low: 46 °F
Increasing
CloudsTuesday

High: 56 °F
Mostly Cloudy
Tuesday Night

Low: 44 °F
Partly Cloudy
Wednesday

High: 65 °F
Sunny
Wednesday Night

Low: 47 °F
Mostly Clear
Thursday

High: 70 °F
Partly Sunny
Thursday Night

Low: 48 °F
Partly Cloudy
Friday

High: 65 °F
Partly Sunny
Friday Night

Low: 47 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 46. South wind 7 to 9 mph.
Tuesday
Mostly cloudy, with a high near 56. South wind 6 to 8 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 65. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.53°N 122.14°W (Elev. 873 ft)
47.53°N 122.14°W (Elev. 873 ft)
11:27 am PDT Apr 27, 2026
9pm PDT Apr 27, 2026-6pm PDT May 4, 2026


