National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

MARTEN RIDGE (MRTW1)

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

NA

38°F

3°C

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

Newhalem WA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a high near 51. Southwest wind around 5 mph.

    High: 51 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely before 2am, then rain and snow. Low around 41. South southwest wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 41 °F

    Rain Likely
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 47. Southwest wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain and snow likely. Low around 31. Southwest wind 3 to 8 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of snow before 11am, then rain, possibly mixed with snow showers between 11am and 2pm, then rain showers after 2pm. Some thunder is also possible. High near 46. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °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: A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 51. Southwest wind around 5 mph.
Tonight
Rain likely before 2am, then rain and snow. Low around 41. South 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 10am. High near 47. Southwest wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain before 11pm, then rain and snow likely. Low around 31. Southwest wind 3 to 8 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, possibly mixed with snow showers between 11am and 2pm, then rain showers after 2pm. Some thunder is also possible. High near 46. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%. 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 between 11pm and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Partly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.66°N 121.27°W (Elev. 853 ft)
Last Update:
11:27 am PDT Apr 13, 2026
Forecast Valid:
1pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation