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

Hazardous Weather Conditions

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

77°F

25°C

Humidity 36%
Wind Speed NA NA MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 21 Aug 11:00 AM PDT
Extended Forecast for

17 Miles NNE Roslyn WA

Red Flag Warning August 21, 11:00pm until August 22, 12:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Patchy smoke before 2pm, then patchy smoke after 5pm. Mostly cloudy, with a high near 89. Southeast wind around 7 mph.

    High: 89 °F

    Patchy Smoke

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm. Widespread smoke, mainly between 8pm and 11pm. Cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Widespread smoke, mainly after 2pm. Partly sunny, with a high near 77. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Northwest wind 7 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. West wind 7 to 9 mph.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Patchy smoke before 2pm, then patchy smoke after 5pm. Mostly cloudy, with a high near 89. Southeast wind around 7 mph.
Tonight
A 20 percent chance of showers after 11pm. Widespread smoke, mainly between 8pm and 11pm. Cloudy, with a low around 59. Light and variable wind.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Widespread smoke, mainly after 2pm. Partly sunny, with a high near 77. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 49. Northwest wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 68. West wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Roslyn WA
 47.48°N 121.02°W (Elev. 3967 ft)
Last Update:
11:46 am PDT Aug 21, 2026
Forecast Valid:
12pm PDT Aug 21, 2026-6pm PDT Aug 27, 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