Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

78°F

26°C

Humidity	25%
Wind Speed	NW 5 MPH
Barometer	29.68 in (1005.08 mb)
Dewpoint	40°F (4°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	08 Oct 02:53 PM PDT

More Information:

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

Extended Forecast for

4 Miles NE Prosser WA

Tonight
Low: 42 °F
Partly Cloudy
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 46 °F
Mostly Cloudy
Friday
High: 73 °F
Slight Chance
Showers
Friday Night
Low: 42 °F
Slight Chance
Showers
Saturday
High: 64 °F
Chance
Showers
Saturday Night
Low: 38 °F
Chance
Showers
Sunday
High: 60 °F
Chance
Showers
Sunday Night
Low: 36 °F
Chance
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around 42. South wind around 5 mph becoming light and variable in the evening.

Thursday

Sunny, with a high near 73. Southwest wind 3 to 6 mph.

Thursday Night

Mostly cloudy, with a low around 46. Northeast wind around 5 mph becoming light and variable in the evening.

Friday

A 20 percent chance of showers. Partly sunny, with a high near 73. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

Friday Night

A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 42. West wind 6 to 10 mph.

Saturday

A 30 percent chance of showers, mainly after 11am. Mostly sunny, with a high near 64.

Saturday Night

A 40 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 38.

Sunday

A 40 percent chance of showers, mainly after 11am. Mostly sunny, with a high near 60.

Sunday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 36.

Columbus Day

A chance of showers. Partly sunny, with a high near 57.