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

Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

Lat: 47.42487°NLon: 121.41395°WElev: 3010.0ft.

NA

N/A

Humidity 97%
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 25 Sep 02:00 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Showers likely, mainly after 2am. Increasing clouds, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 51. West wind 3 to 5 mph. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 51 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 11pm. Low around 41. West wind around 6 mph becoming calm after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 2am. Increasing clouds, with a low around 45. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers. High near 51. West wind 3 to 5 mph. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, mainly before 11pm. Low around 41. West wind around 6 mph becoming calm after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly sunny, with a high near 57. Calm wind.
Wednesday Night
Partly cloudy, with a low around 42. Calm wind.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 44.
Friday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
3:01 pm PDT Sep 28, 2026
Forecast Valid:
4pm PDT Sep 28, 2026-6pm PDT Oct 5, 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