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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

40°F

4°C

Humidity 80%
Wind Speed NA NA MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 17 Mar 02:00 AM PDT
Extended Forecast for

17 Miles NNE Roslyn WA

  • Overnight

    Overnight: Rain. Low around 36. West wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 46. West wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Steady temperature around 42. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 47. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 39. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 8pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain. Low around 36. West wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 46. West wind 7 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Steady temperature around 42. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain. High near 47. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 39. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 49. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 40. Chance of precipitation is 80%.
Friday
Rain. High near 49. Chance of precipitation is 80%.
Friday Night
Rain likely before 8pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
A chance of snow. Partly sunny, with a high near 39.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 42.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Monday
A chance of snow. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Roslyn WA
 47.48°N 121.02°W (Elev. 3967 ft)
Last Update:
2:30 am PDT Mar 17, 2026
Forecast Valid:
3am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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