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

37°F

3°C

Humidity 85%
Wind Speed NA NA MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 21 Mar 11:00 AM PDT
Extended Forecast for

16 Miles N Roslyn WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow between 8am and 11am. Sunny, with a high near 37. West wind around 7 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Northwest wind 5 to 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42. West wind around 6 mph.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 2pm, then rain and snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 8pm. Low around 24. Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow. High near 35. Chance of precipitation is 80%.

    High: 35 °F

    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 33. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 20. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of snow between 8am and 11am. Sunny, with a high near 37. West wind around 7 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 22. Northwest wind 5 to 7 mph.
Monday
Partly sunny, with a high near 42. West wind around 6 mph.
Monday Night
A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 2pm, then rain and snow. High near 38. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Rain and snow, becoming all snow after 8pm. Low around 24. Chance of precipitation is 80%.
Wednesday
Snow. High near 35. Chance of precipitation is 80%.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Partly sunny, with a high near 34.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 18.
Friday
A slight chance of snow. Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles N Roslyn WA
 47.47°N 121.08°W (Elev. 5092 ft)
Last Update:
10:15 am PDT Mar 21, 2026
Forecast Valid:
12pm PDT Mar 21, 2026-6pm PDT Mar 27, 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