Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

Mist

19°F

-7°C

Humidity 95%
Wind Speed NNE 4 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 18°F (-8°C)
Visibility 1.00 mi
Wind Chill13°F (-11°C)
Last update 18 Jan 11:22 PM PST
Extended Forecast for

12 Miles ESE Greenwater WA

  • Overnight

    Overnight: Mostly clear, with a low around 29. Southeast wind around 13 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 43. East wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Southeast wind around 7 mph becoming southwest after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. East wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of snow after 4pm.  Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 10pm.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Southeast wind around 13 mph, with gusts as high as 25 mph.
M.L.King Day
Sunny, with a high near 43. East wind 7 to 11 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 33. Southeast wind around 7 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 40. East wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 27. Southeast wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A 10 percent chance of snow after 4pm. Partly sunny, with a high near 36.
Thursday Night
A 30 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Partly sunny, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Partly sunny, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 25.
Sunday
Snow likely. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Greenwater WA
 47.11°N 121.41°W (Elev. 4121 ft)
9:15 pm PST Jan 18, 2026
12am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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