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 ENE 2 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 21 Mar 06:10 AM PDT
Extended Forecast for

3 Miles SE Issaquah WA

  • Today

    Today: A slight chance of snow before 10am, then a slight chance of snow after 4pm.  Partly sunny, with a high near 40. North wind 6 to 8 mph.  Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 32. Wind chill values between 24 and 29. North northwest wind 6 to 11 mph becoming south southeast in the evening.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 45. Wind chill values between 24 and 34 early. South wind 7 to 11 mph becoming northwest in the afternoon.  Little or no snow accumulation expected.

    High: 45 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Northwest wind 6 to 8 mph becoming northeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. East northeast wind 5 to 9 mph becoming north northwest in the afternoon.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow after 11pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 11am.  High near 46. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 2am, then rain and snow likely.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 11am.  Cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow
    then Rain

Detailed Forecast

Today
A slight chance of snow before 10am, then a slight chance of snow after 4pm. Partly sunny, with a high near 40. North wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 32. Wind chill values between 24 and 29. North northwest wind 6 to 11 mph becoming south southeast in the evening.
Sunday
A 30 percent chance of snow, mainly before 11am. Partly sunny, with a high near 45. Wind chill values between 24 and 34 early. South wind 7 to 11 mph becoming northwest in the afternoon. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 32. Northwest wind 6 to 8 mph becoming northeast after midnight.
Monday
Partly sunny, with a high near 45. East northeast wind 5 to 9 mph becoming north northwest in the afternoon.
Monday Night
A chance of rain and snow after 11pm. Mostly cloudy, with a low around 38. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 11am. High near 46. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain before 2am, then rain and snow likely. Mostly cloudy, with a low around 37.
Wednesday
Rain and snow, becoming all rain after 11am. Cloudy, with a high near 44.
Wednesday Night
Rain likely before 8pm, then rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Partly sunny, with a high near 45.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Issaquah WA
 47.51°N 121.97°W (Elev. 2799 ft)
11:27 pm PDT Mar 20, 2026
6am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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