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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

MARTEN RIDGE (MRTW1)

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

NA

42°F

6°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 until January 13, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until January 13, 10:00am

    NOW until 10:00am Tue

    Flood Watch

  • This Afternoon

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 38. West southwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Southeast wind around 6 mph becoming light and variable.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. South southeast wind around 9 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 41. West southwest wind 3 to 7 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Rain. High near 39. West southwest wind around 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 1am. Low around 38. West southwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Partly sunny, with a high near 42. Southeast wind around 6 mph becoming light and variable.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. South southeast wind around 9 mph.
Wednesday
Sunny, with a high near 41. West southwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 42.
Friday Night
Clear, with a low around 32.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 30.
M.L.King Day
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Newhalem WA
 48.52°N 121.19°W (Elev. 5430 ft)
Last Update:
1:25 pm PST Jan 12, 2026
Forecast Valid:
3pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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