Fire Weather Concerns in the Intermountain West into the Plains

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the Plains though early this week. Another elevated risk is possible across the central Appalachians. A rapid warm-up is in the forecast beginning Monday across the central and eastern U.S.. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Rain

39°F

4°C

Humidity 86%
Wind Speed NNE 6 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 36°F (2°C)
Visibility 9.00 mi
Wind Chill35°F (2°C)
Last update 29 Mar 09:00 PM PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: A slight chance of rain and snow showers before 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light and variable wind.  Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 51. Calm wind becoming north around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. North wind around 6 mph becoming calm  in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Light and variable wind.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain.  High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm, then a chance of showers after midnight.  Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Light and variable wind. Chance of precipitation is 20%.
Monday
Sunny, with a high near 51. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 33. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 56. Light and variable wind.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 42. Light and variable wind.
Wednesday
Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before 11pm, then a chance of showers after midnight. Low around 40. Chance of precipitation is 90%.
Thursday
A chance of showers. Mostly cloudy, with a high near 53.
Thursday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 41.
Friday
A slight chance of showers after 11am. Partly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.56°N 122.21°W (Elev. 121 ft)
11:26 am PDT Mar 29, 2026
9pm PDT Mar 29, 2026-6pm PDT Apr 5, 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