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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

11 Miles SSE Newhalem WA

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

  • Today

    Today: Rain. High near 35. Wind chill values between 25 and 30. Southwest wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 35 °F

    Rain

  • Tonight

    Tonight: Rain. Steady temperature around 36. Wind chill values between 25 and 30. Southwest wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Rain. Steady temperature around 34. Wind chill values between 24 and 29. Southwest wind 9 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 34 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 2am, then rain, possibly mixed with snow. Low around 32. Wind chill values between 22 and 27. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow. High near 35. South southwest wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow. Low around 34. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow

  • Friday

    Friday: Snow, possibly mixed with rain. High near 36. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 27.

    High: 27 °F

    Snow Likely

Detailed Forecast

Today
Rain. High near 35. Wind chill values between 25 and 30. Southwest wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain. Steady temperature around 36. Wind chill values between 25 and 30. Southwest wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. Steady temperature around 34. Wind chill values between 24 and 29. Southwest wind 9 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain before 2am, then rain, possibly mixed with snow. Low around 32. Wind chill values between 22 and 27. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Rain, possibly mixed with snow. High near 35. South southwest wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain, possibly mixed with snow. Low around 34. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Snow, possibly mixed with rain. High near 36. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 11pm. Mostly cloudy, with a low around 23.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 27.
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 19.
Monday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Newhalem WA
 48.53°N 121.16°W (Elev. 4213 ft)
Last Update:
8:00 am PDT Mar 17, 2026
Forecast Valid:
10am PDT Mar 17, 2026-6pm PDT Mar 23, 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