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.

Mostly Cloudy

54°F

12°C

Humidity 66%
Wind Speed WSW 12 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 Apr 11:35 AM PDT
Extended Forecast for

5 Miles S Friday Harbor WA

  • Today

    Today: A slight chance of rain between 1pm and 2pm.  Partly sunny, with a high near 54. West southwest wind around 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 3am.  Increasing clouds, with a low around 43. West southwest wind 8 to 17 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after 8am.  High near 50. South wind 8 to 11 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then a chance of snow after 5am.  Low around 39. South wind 13 to 20 mph becoming west in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain then
    Chance Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 8am, then rain likely.  Partly sunny, with a high near 50. West wind around 9 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain between 1pm and 2pm. Partly sunny, with a high near 54. West southwest wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
A 50 percent chance of rain, mainly after 3am. Increasing clouds, with a low around 43. West southwest wind 8 to 17 mph, with gusts as high as 23 mph.
Tuesday
Rain, mainly after 8am. High near 50. South wind 8 to 11 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 39. South wind 13 to 20 mph becoming west in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 8am, then rain likely. Partly sunny, with a high near 50. West wind around 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Friday Harbor WA
 48.47°N 123°W (Elev. 3 ft)
11:27 am PDT Apr 13, 2026
11am 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