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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

58°F

14°C

Humidity 64%
Wind Speed NA NA MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 28 Aug 07:00 PM PDT
Extended Forecast for

2 Miles ENE Snoqualmie Pass WA

  • Tonight

    Tonight: A 40 percent chance of showers after 11pm. Patchy smoke before 8pm. Increasing clouds, with a low around 40. West wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then a chance of showers after 2pm. Patchy smoke after 2pm. High near 49. West wind 7 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before 11pm. Patchy smoke before 8pm. Mostly cloudy, with a low around 40. West wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 55. West wind 5 to 7 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West wind around 6 mph becoming light and variable in the evening.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers after 11pm. Patchy smoke before 8pm. Increasing clouds, with a low around 40. West wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then a chance of showers after 2pm. Patchy smoke after 2pm. High near 49. West wind 7 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers, mainly before 11pm. Patchy smoke before 8pm. Mostly cloudy, with a low around 40. West wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 55. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 44. West wind around 6 mph becoming light and variable in the evening.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 60.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Wednesday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 53.
Wednesday Night
Showers. Cloudy, with a low around 43.
Thursday
Showers likely. Mostly cloudy, with a high near 53.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 43.
Friday
A chance of showers. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Snoqualmie Pass WA
 47.43°N 121.38°W (Elev. 4547 ft)
Last Update:
3:01 pm PDT Aug 28, 2026
Forecast Valid:
7pm PDT Aug 28, 2026-6pm PDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation