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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

EW6690 Maple Valley (E6690)

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

NA

51°F

11°C

Humidity 1%
Wind Speed SE 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint -45°F (-43°C)
Visibility NA
Last update 18 Mar 03:11 PM PDT
Extended Forecast for

Issaquah WA

Flood Watch until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • This Afternoon

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 51. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain

  • Thursday

    Thursday: Rain. High near 57. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 52. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain. High near 56. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Rain. High near 57. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 51. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 57. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 52. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 56. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 34.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 53.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 36.
Monday
A slight chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Cloudy, with a low around 40.
Wednesday
Rain. Cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.52°N 122.01°W (Elev. 561 ft)
Last Update:
3:18 pm PDT Mar 18, 2026
Forecast Valid:
3pm PDT Mar 18, 2026-6pm PDT Mar 25, 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