Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Current conditions at

MARBLEMOUNT (MBMW1)

Lat: 48.539444°NLon: 121.446111°WElev: 357ft.

NA

30°F

-1°C

Humidity 86%
Wind Speed NA
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 Feb 12:12 am PST
Extended Forecast for

11 Miles SSE Newhalem WA

Winter Storm Watch February 19, 12:00pm until February 20, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Overnight

    Overnight: A slight chance of snow showers before 4am, then a chance of snow after 4am.  Mostly cloudy, with a steady temperature around 12. Wind chill values between -2 and 3. West wind around 9 mph.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Chance Snow

    Low: 12 °F

  • Tuesday

    Tuesday: Snow, mainly after 10am.  Steady temperature around 14. Wind chill values between -3 and 2. West southwest wind 11 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

    Snow

    High: 14 °F

  • Tuesday
    Night

    Tuesday Night: Snow.  Temperature rising to around 17 by 10pm. Wind chill values between -7 and 1. West southwest wind 9 to 11 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Snow

    Low: 11 °F

  • Wednesday

    Wednesday: Snow showers.  High near 19. Wind chill values between -9 and 1. Northwest wind 9 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Snow Showers

    High: 19 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 9. Northeast wind around 20 mph, with gusts as high as 26 mph.

    Mostly Cloudy

    Low: 9 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    Mostly Sunny

    High: 19 °F

  • Thursday
    Night

    Thursday Night: A 10 percent chance of snow after 4am.  Mostly cloudy, with a low around 7.

    Partly Cloudy
    then Slight
    Chance Snow

    Low: 7 °F

  • Friday

    Friday: Snow likely, mainly after 10am.  Cloudy, with a high near 17.

    Snow Likely

    High: 17 °F

  • Friday
    Night

    Friday Night: Snow likely.  Cloudy, with a low around 13. Breezy.

    Snow Likely
    and Breezy

    Low: 13 °F

Detailed Forecast

Overnight
A slight chance of snow showers before 4am, then a chance of snow after 4am. Mostly cloudy, with a steady temperature around 12. Wind chill values between -2 and 3. West wind around 9 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 10am. Steady temperature around 14. Wind chill values between -3 and 2. West southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
Tuesday Night
Snow. Temperature rising to around 17 by 10pm. Wind chill values between -7 and 1. West southwest wind 9 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow showers. High near 19. Wind chill values between -9 and 1. Northwest wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly cloudy, with a low around 9. Northeast wind around 20 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 7.
Friday
Snow likely, mainly after 10am. Cloudy, with a high near 17.
Friday Night
Snow likely. Cloudy, with a low around 13. Breezy.
Saturday
Snow. Cloudy, with a high near 19.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 11.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 18.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 6.
Monday
A chance of snow showers. Partly sunny, with a high near 16.
Click Map For Forecast
Point Forecast:
11 Miles SSE Newhalem WA
 48.53°N 121.13°W (Elev. 7431 ft)
6:05 pm PST Feb 18, 2019
12am PST Feb 19, 2019-6pm PST Feb 24, 2019
 
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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