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

Snoqualmie Pass WA

  • Overnight

    Overnight: Rain. Low around 40. West wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 44. Southwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 42. Light west wind. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 45. Light west wind. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

Overnight
Rain. Low around 40. West wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 44. Southwest wind around 6 mph becoming calm in the morning. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
Rain. Low around 42. Light west wind. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 45. Light west wind. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 41. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 48. Chance of precipitation is 90%.
Thursday Night
Rain. Low around 43. Chance of precipitation is 90%.
Friday
Rain. High near 48. Chance of precipitation is 90%.
Friday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Low around 32. Chance of precipitation is 80%.
Saturday
Rain and snow likely, mainly before 11am. Mostly cloudy, with a high near 39.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.42°N 121.44°W (Elev. 2569 ft)
Last Update:
3:07 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

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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