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 1%
Wind Speed NNW 2 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint -51°F (-46°C)
Visibility NA
Last update 21 Mar 02:05 AM PDT
Extended Forecast for

Issaquah WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 43. North wind 3 to 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 37. Calm wind becoming south around 5 mph after midnight.

    Low: 37 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Light north northeast wind.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 43. North wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. Calm wind becoming south around 5 mph after midnight.
Sunday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 54. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 36. Light north northeast wind.
Monday
Partly sunny, with a high near 54.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Rain. Cloudy, with a high near 53.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Partly sunny, with a high near 54.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 36.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.05°W (Elev. 200 ft)
Last Update:
11:27 pm PDT Mar 20, 2026
Forecast Valid:
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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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