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Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

74°F

23°C

Humidity 39%
Wind Speed NA NA MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 20 Sep 03:00 PM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 71. Light and variable wind.

    High: 71 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 59. Calm wind becoming west around 5 mph in the afternoon.

    High: 59 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind.
Monday
Increasing clouds, with a high near 71. Light and variable wind.
Monday Night
Increasing clouds, with a low around 48. Calm wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 59. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 57.
Thursday Night
Showers likely. Cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38.
Saturday
A slight chance of showers. Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A slight chance of showers. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
Last Update:
3:01 pm PDT Sep 20, 2026
Forecast Valid:
4pm PDT Sep 20, 2026-6pm PDT Sep 27, 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