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

42°F

6°C

Humidity 99%
Wind Speed NA NA MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 Mar 03:00 PM PDT
Extended Forecast for

15 Miles N Roslyn WA

  • This Afternoon

    This Afternoon: Rain, mainly before 5pm. High near 47. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: A 50 percent chance of rain before 8pm. Mostly cloudy, with a low around 27. West wind around 8 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. West wind around 8 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 43. West wind around 7 mph.

    High: 43 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, possibly mixed with rain, mainly after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 2pm. High near 44. Chance of precipitation is 90%.

    High: 44 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Rain, mainly before 5pm. High near 47. West wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 50 percent chance of rain before 8pm. Mostly cloudy, with a low around 27. West wind around 8 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 39. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 23. West wind around 8 mph, with gusts as high as 18 mph.
Sunday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 43. West wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 49.
Monday Night
Snow likely, possibly mixed with rain, mainly after 5am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 44. Chance of precipitation is 90%.
Tuesday Night
Rain before 8pm, then rain, possibly mixed with snow. Mostly cloudy, with a low around 28.
Wednesday
Rain and snow. Partly sunny, with a high near 38.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22.
Thursday
A slight chance of snow. Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 22.
Friday
Mostly sunny, with a high near 45.
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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:
4:15 pm PDT Mar 20, 2026
Forecast Valid:
4pm PDT Mar 20, 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