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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

50°F

10°C

Humidity 93%
Wind Speed NA NA MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 14 Sep 06:00 PM PDT
Extended Forecast for

15 Miles N Roslyn WA

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Light and variable wind.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly between 11am and 5pm. Mostly cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. Light and variable wind.
Tuesday
A 30 percent chance of showers, mainly between 11am and 5pm. Mostly cloudy, with a high near 58. Calm wind.
Tuesday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. Light and variable wind.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
A slight chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Roslyn WA
 47.46°N 121.04°W (Elev. 3602 ft)
Last Update:
3:01 pm PDT Sep 14, 2026
Forecast Valid:
7pm PDT Sep 14, 2026-6pm PDT Sep 21, 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