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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

35°F

2°C

Humidity 100%
Wind Speed NA NA MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Mar 01:00 AM PDT
Extended Forecast for

4 Miles SSE Snoqualmie Pass WA

  • Overnight

    Overnight: A slight chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between 8am and 11am. Partly sunny, with a high near 33. Calm wind becoming west around 6 mph in the afternoon.

    High: 33 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 39. Light west wind.

    High: 39 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain and snow after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 2pm. High near 40. Chance of precipitation is 90%.

    High: 40 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then rain and snow. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain/Snow

Detailed Forecast

Overnight
A slight chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow, mainly between 8am and 11am. Partly sunny, with a high near 33. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 39. Light west wind.
Sunday Night
Mostly cloudy, with a low around 24. Calm wind.
Monday
Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow after 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 40. Chance of precipitation is 90%.
Tuesday Night
Rain before 8pm, then rain and snow. Low around 28. Chance of precipitation is 90%.
Wednesday
Rain and snow, becoming all snow after 8am. Mostly cloudy, with a high near 34.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 23.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Snoqualmie Pass WA
 47.37°N 121.36°W (Elev. 3458 ft)
Last Update:
10:15 pm PDT Mar 20, 2026
Forecast Valid:
1am PDT Mar 21, 2026-6pm PDT Mar 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