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

MARTEN RIDGE (MRTW1)

Lat: 48.76292°NLon: 121.69823°WElev: 3520.0ft.

NA

35°F

2°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Newhalem WA

  • Overnight

    Overnight: Rain, possibly mixed with snow, mainly before 5am.  Low around 41. Southwest wind 3 to 5 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 41 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 9am.  High near 46. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, mainly before 1am.  Low around 32. Southwest wind 5 to 7 mph becoming calm  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm. Some thunder is also possible.  High near 45. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 45 °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 32. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 11am, then a chance of rain.  Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, possibly mixed with snow, mainly before 5am. Low around 41. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain and snow, becoming all rain after 9am. High near 46. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, mainly before 1am. Low around 32. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm. Some thunder is also possible. High near 45. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 60.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Monday
Rain likely. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.66°N 121.27°W (Elev. 853 ft)
11:27 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database