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 >

Current conditions at

Pierce County-Thun Field (KPLU)

Lat: 47.104°NLon: 122.287°WElev: 538.0ft.

Clear

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 22 Mar 07:15 AM PDT
Extended Forecast for

Sumner WA

  • Today

    Today: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 54. Light and variable wind.

    High: 54 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 55. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 54. Light and variable wind.
Tonight
Mostly cloudy, with a low around 34. Calm wind.
Monday
Increasing clouds, with a high near 54. Light and variable wind.
Monday Night
A 40 percent chance of rain after 11pm. Cloudy, with a low around 42. Light and variable wind.
Tuesday
Rain. High near 55. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 51. Chance of precipitation is 90%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner WA
 47.19°N 122.26°W (Elev. 121 ft)
Last Update:
11:27 pm PDT Mar 21, 2026
Forecast Valid:
7am PDT Mar 22, 2026-6pm PDT Mar 28, 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