Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

JIM CREEK (SWYW1)

Lat: 48.1785°NLon: 122.02919°WElev: 786.0ft.

NA

43°F

6°C

Humidity 94%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 14 Apr 12:42 AM PDT
Extended Forecast for

5 Miles E Arlington WA

  • Overnight

    Overnight: A 50 percent chance of rain.  Cloudy, with a steady temperature around 44. South southeast wind 6 to 9 mph.

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm.  High near 48. South wind 13 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before 4am, then a chance of rain.  Low around 35. South wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: Rain and snow showers, becoming all rain after 2pm. Some thunder is also possible.  High near 49. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a slight chance of rain and snow.  Mostly cloudy, with a low around 35. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a steady temperature around 44. South southeast wind 6 to 9 mph.
Tuesday
Rain, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 48. South wind 13 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 4am, then a chance of rain. Low around 35. South wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and snow showers, becoming all rain after 2pm. Some thunder is also possible. High near 49. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 60.
Sunday Night
Rain likely. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Arlington WA
 48.18°N 122.02°W (Elev. 728 ft)
11:27 pm PDT Apr 13, 2026
1am PDT Apr 14, 2026-6pm PDT Apr 20, 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