Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

23°F

-5°C

Humidity	87%
Wind Speed	N 0 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Last update	10 Mar 07:35 AM PDT

More Information:

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

Extended Forecast for

Prosser WA

Tonight
Low: 41 °F
Chance Rain
then Rain
Friday
High: 54 °F
Rain
Friday Night
Low: 37 °F
Rain Likely
Saturday
High: 52 °F
Slight Chance
Rain/Snow
then Sunny
Saturday Night
Low: 31 °F
Mostly Cloudy
Sunday
High: 50 °F
Slight Chance
Rain/Snow
Sunday Night
Low: 38 °F
Slight Chance
Rain then
Mostly Cloudy
Monday
High: 66 °F
Mostly Cloudy
Monday Night
Low: 42 °F
Mostly Cloudy

Detailed Forecast

Tonight

Rain, mainly after 2am. Low around 41. Southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain. High near 54. East wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain likely. Cloudy, with a low around 37. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A slight chance of rain, mixing with snow after 8am, then gradually ending. Snow level 2500 feet lowering to 900 feet. Mostly sunny, with a high near 52. West wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Saturday Night

Mostly cloudy, with a low around 31. Northwest wind 5 to 10 mph becoming light west after midnight.

Sunday

A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level rising to 2200 feet in the afternoon. Mostly cloudy, with a high near 50. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 38.

Monday

Mostly cloudy, with a high near 66.

Monday Night

Mostly cloudy, with a low around 42.

Tuesday

Mostly cloudy, with a high near 72.

Tuesday Night

Mostly cloudy, with a low around 47.

Wednesday

A slight chance of rain. Mostly cloudy, with a high near 72.