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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Friday Harbor Airport (KFHR)

Lat: 48.52°NLon: 123.02637°WElev: 112.0ft.

Partly Cloudy

54°F

12°C

Humidity 66%
Wind Speed SW 13 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 Apr 12:00 PM PDT
Extended Forecast for

4 Miles W Friday Harbor WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. West southwest wind around 10 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 3am.  Increasing clouds, with a low around 42. West southwest wind 3 to 8 mph.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain.  High near 51. South wind 3 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then a chance of snow after 5am.  Low around 37. South wind around 7 mph becoming west in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain then
    Chance Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 8am, then rain likely.  Partly sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. West southwest wind around 10 mph.
Tonight
A 40 percent chance of rain, mainly after 3am. Increasing clouds, with a low around 42. West southwest wind 3 to 8 mph.
Tuesday
Rain. High near 51. South wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 11pm, then a chance of snow after 5am. Low around 37. South wind around 7 mph becoming west in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 8am, then rain likely. Partly sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Friday Harbor WA
 48.53°N 123.08°W (Elev. 121 ft)
11:27 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 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