An Active Weather Wednesday

Strong to severe thunderstorms are possible on Wednesday in parts of the Ohio Valley, Upper Mississippi Valley and south-central Plains. These storms may produce heavy rain and flooding in the Ohio Valley. Meanwhile, a strong cold front will sweep through the Northwest U.S. with rain, mountain snow and high winds. Finally, heat and record high temperatures are likely across the Southern U.S. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from May 18, 05:00 AM PDT until May 19, 05:00 AM PDT

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Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.346944°NLon: 120.720278°WElev: 1230ft.

45°F

7°C

Humidity	67%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	18 May 03:01 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Trinity WA

Winter Weather Advisory May 18, 05:00am until May 19, 05:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Heavy Snow
Low: 32 °F
Wednesday

Rain/Snow
then Showers
Likely
High: 44 °F
Wednesday
Night

Heavy Snow
Low: 28 °F
Thursday

Chance Snow
Showers then
Slight Chance
Snow Showers
High: 43 °F
Thursday
Night

Partly Cloudy
Low: 29 °F
Friday

Chance
Showers
High: 50 °F
Friday
Night

Slight Chance
Showers then
Frost
Low: 32 °F
Saturday

Slight Chance
T-storms
High: 54 °F
Saturday
Night

Partly Cloudy
Low: 34 °F

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 32. South wind around 7 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

Wednesday

Snow before 7am, then rain and snow showers between 7am and 10am, then rain showers after 10am. The snow could be heavy at times. High near 44. South wind 6 to 14 mph becoming west in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow showers. The snow could be heavy at times. Low around 28. West wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Thursday

A 50 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 43. Northwest wind 13 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Thursday Night

Partly cloudy, with a low around 29. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

Friday

A 30 percent chance of showers and thunderstorms after 11am. Areas of frost between 8am and 9am. Otherwise, mostly sunny, with a high near 50.

Friday Night

A 20 percent chance of showers before 11pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32.

Saturday

A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 54.

Saturday Night

Partly cloudy, with a low around 34.

Sunday

A 20 percent chance of showers. Mostly sunny, with a high near 56.