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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

45°F

7°C

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

10 Miles SSE Newhalem WA

Flood Watch March 20, 06:22am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 06:22am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 35 °F⇓

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow likely before 11pm, then a chance of snow showers after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 19. Wind chill values between 6 and 16. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 19 °F

    Heavy Snow
    and Breezy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers likely, mainly before 11am. Partly sunny, with a steady temperature around 21. Wind chill values between 4 and 9. Breezy, with a west wind 17 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 21 °F

    Snow Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 16. Wind chill values between zero and 5. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the evening. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 25. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Today
Snow. The snow could be heavy at times. Temperature falling to around 30 by 5pm. Wind chill values between 16 and 23. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 8 to 12 inches possible.
Tonight
Snow likely before 11pm, then a chance of snow showers after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 19. Wind chill values between 6 and 16. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow showers likely, mainly before 11am. Partly sunny, with a steady temperature around 21. Wind chill values between 4 and 9. Breezy, with a west wind 17 to 24 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
A 40 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 16. Wind chill values between zero and 5. Breezy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the evening. Winds could gust as high as 33 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. Mostly cloudy, with a high near 25. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 32.
Monday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 29.
Tuesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 19. Breezy.
Wednesday
Snow. Cloudy, with a high near 24. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 15. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Newhalem WA
 48.55°N 121.14°W (Elev. 7999 ft)
Last Update:
1:53 am PDT Mar 20, 2026
Forecast Valid:
6am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation