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 >

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

31°F

-1°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: A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and 1pm. Mostly sunny, with a high near 48. Light and variable wind. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely after 11pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 100%.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 45.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

Overnight
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and 1pm. Mostly sunny, with a high near 48. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 33. Calm wind.
Monday
Mostly sunny, with a high near 54. Calm wind.
Monday Night
Rain likely after 11pm. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 45.
Wednesday Night
Rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 32.
Thursday
Rain and snow likely, becoming all rain after 11am. Mostly cloudy, with a high near 46.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 30.
Friday
A slight chance of rain. Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A slight chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.66°N 121.27°W (Elev. 853 ft)
Last Update:
11:27 pm PDT Mar 21, 2026
Forecast Valid:
2am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation