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 90%
Wind Speed E 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 21 Mar 07:26 AM PDT
Extended Forecast for

3 Miles WSW Issaquah WA

  • Today

    Today: Partly sunny, with a high near 48. North wind 3 to 7 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 36. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 36 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 51. South southeast wind around 6 mph becoming light and variable.

    High: 51 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. North northeast wind 3 to 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 48. North wind 3 to 7 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 36. Calm wind becoming south 5 to 7 mph in the evening.
Sunday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 51. South southeast wind around 6 mph becoming light and variable.
Sunday Night
Mostly cloudy, with a low around 35. North northeast wind 3 to 5 mph.
Monday
Partly sunny, with a high near 51. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 41.
Tuesday
Rain. High near 52. Chance of precipitation is 100%.
Tuesday Night
Rain. Mostly cloudy, with a low around 40.
Wednesday
Rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Partly sunny, with a high near 51.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Friday
A slight chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Issaquah WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
11:27 pm PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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