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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

40°F

4°C

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

8 Miles NNW Newhalem WA

Flood Watch March 18, 01:00pm until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain, possibly mixed with snow. Low around 30. Wind chill values between 18 and 23. Breezy, with a southwest wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 2pm. High near 34. Wind chill values between 20 and 25. Southwest wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am. Low around 33. Wind chill values between 23 and 28. Southwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 8am, then rain, possibly mixed with snow. High near 36. Wind chill values between 22 and 27. Southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. Low around 32. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain and snow. High near 34. Breezy. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow. Low around 33. Breezy. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Snow, possibly mixed with rain. Cloudy, with a high near 34. Breezy.

    High: 34 °F

    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Low around 30. Wind chill values between 18 and 23. Breezy, with a southwest wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 34. Wind chill values between 20 and 25. Southwest wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain before 11pm, then rain, possibly mixed with snow between 11pm and 2am, then rain after 2am. Low around 33. Wind chill values between 23 and 28. Southwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain before 8am, then rain, possibly mixed with snow. High near 36. Wind chill values between 22 and 27. Southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow. Low around 32. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Rain and snow. High near 34. Breezy. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Rain and snow. Low around 33. Breezy. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow, possibly mixed with rain. Cloudy, with a high near 34. Breezy.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 24.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 28.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 17.
Sunday
A chance of snow. Partly sunny, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 18.
Monday
A chance of snow. Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Newhalem WA
 48.79°N 121.3°W (Elev. 4970 ft)
Last Update:
2:25 am PDT Mar 17, 2026
Forecast Valid:
5am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation