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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

Lat: 46.97333°NLon: 122.90333°WElev: 203.0ft.

Clear

54°F

12°C

Humidity 58%
Wind Speed NE 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Apr 10:20 AM PDT
Extended Forecast for

Tumwater WA

  • Today

    Today: Sunny, with a high near 67. North northeast wind 5 to 8 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 40. Northeast wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 45. West southwest wind 3 to 6 mph.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 67. North northeast wind 5 to 8 mph.
Tonight
Increasing clouds, with a low around 40. Northeast wind around 6 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 45. West southwest wind 3 to 6 mph.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain. Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Apr 8, 2026
Forecast Valid:
10am PDT Apr 9, 2026-6pm PDT Apr 15, 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