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

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01433°WElev: 742.16ft.

NA

40°F

4°C

Humidity 91%
Wind Speed NNE 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 21 Mar 08:10 AM PDT
Extended Forecast for

2 Miles ESE Sammamish WA

  • Today

    Today: A 20 percent chance of rain before 9am. Partly sunny, with a high near 49. Light north wind.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 36. Calm wind becoming south southeast around 5 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 53. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

Today
A 20 percent chance of rain before 9am. Partly sunny, with a high near 49. Light north wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 36. Calm wind becoming south southeast around 5 mph.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 53. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 35. Calm wind.
Monday
Partly sunny, with a high near 52. Light and variable wind.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.
Tuesday
Rain. High near 53. Chance of precipitation is 100%.
Tuesday Night
Rain. Mostly cloudy, with a low around 39.
Wednesday
Rain. Cloudy, with a high near 51.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 52.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Sammamish WA
 47.59°N 122°W (Elev. 456 ft)
Last Update:
11:27 pm PDT Mar 20, 2026
Forecast Valid:
8am 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