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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

64°F

18°C

Humidity 61%
Wind Speed NA NA MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 21 Sep 10:00 AM PDT
Extended Forecast for

3 Miles SSW Snoqualmie Pass WA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 52. West wind 5 to 7 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Light west wind.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers, mainly after 11pm. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 52. West wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 43. Light west wind.
Wednesday
Partly sunny, with a high near 53. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 58. Light and variable wind.
Thursday Night
Showers, mainly after 11pm. Low around 44. Chance of precipitation is 80%.
Friday
Showers, with thunderstorms also possible after 11am. High near 45. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 49.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42.
Monday
A chance of showers. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Snoqualmie Pass WA
 47.38°N 121.46°W (Elev. 3691 ft)
Last Update:
4:00 am PDT Sep 22, 2026
Forecast Valid:
4am PDT Sep 22, 2026-6pm PDT Sep 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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