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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

46°F

8°C

Humidity 86%
Wind Speed NA NA MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 23 Sep 09:00 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 56. Light west wind.

    High: 56 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Calm wind.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers, mainly after 11pm. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 48. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 11pm. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 56. Light west wind.
Tonight
Increasing clouds, with a low around 42. Calm wind.
Thursday
Increasing clouds, with a high near 61. Calm wind.
Thursday Night
Showers, mainly after 11pm. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 48. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers, mainly before 11pm. Low around 39. Chance of precipitation is 90%.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 53.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers. Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
4:01 am PDT Sep 23, 2026
Forecast Valid:
9am PDT Sep 23, 2026-6pm PDT Sep 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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