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Spot Forecast for Petro Card Indian Creek Spill 2025...WA State Department of Ecology
National Weather Service Seattle WA
809 AM PDT Tue Aug 5 2025

Forecast is based on forecast start time of 0759 PDT on August 05.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (206) 526-6095, if you have questions
or concerns with this forecast.

.DISCUSSION...Slight chance of rain showers this morning, with
showers expected to increase this afternoon. Total rainfall
amounts for Indian Creek will range from a tenth to 4 tenths of an
inch, mostly late tonight into Friday morning. There is a 50%
chance of one quarter of an inch over the headwaters of Indian
Creek.

With up to an inch in the headwaters of the Elwha, that will
increase flows there from about 450 cfs today to approximately
1100 cfs by Wednesday night for the McDonald Bridge gauge.

Rainfall amounts
Tuesday afternoon are expected to range up to 0.05", with a 10%
chance of 0.10" through 600 PM Tuesday. Rainfall probabilities
increase to xx% on Wednesday.

.REST OF TODAY...

Sky/weather.........Partly sunny (60-70 percent). Patchy fog in the
                    morning. Chance of rain showers in the
                    afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 69.
Min humidity........68 percent.
Surface winds (mph).North winds around 5 mph.
Pcpn amount.........0.02 inches.

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely in the evening, then rain showers
                    overnight.
Chance of pcpn......90 percent.
Min temperature.....Around 50.
Max humidity........100 percent.
Surface winds (mph).Light winds.
Pcpn amount.........0.12 inches.

.WEDNESDAY...

Sky/weather.........Cloudy (85-95 percent). Rain showers.
Chance of pcpn......90 percent.
Max temperature.....Around 71.
Min humidity........76 percent.
Surface winds (mph).Light winds.
Pcpn amount.........0.16 inches.

$$
Forecaster...Bower
Requested by...Laura Hayes
Type of request...HAZMAT
.TAG 2519076.2/SEW
.DELDT 08/05/25
.FormatterVersion 2.0.0
.EMAIL eul@ecy.wa.gov