Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

56°F

13°C

Humidity 45%
Wind Speed SSW 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 Oct 11:15 AM PDT
Extended Forecast for

Grandview WA

  • Today

    Today: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Northeast wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 2am.  Otherwise, partly cloudy, with a low around 33. Northeast wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Columbus Day

    Columbus Day: Areas of frost before 11am.  Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 31.

    Low: 31 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Calm wind.
Tonight
Partly cloudy, with a low around 35. Calm wind becoming northwest 5 to 7 mph after midnight.
Sunday
Mostly sunny, with a high near 59. Northeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 33. Northeast wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Columbus Day
Areas of frost before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Monday Night
Clear, with a low around 31.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Grandview WA
 46.25°N 119.92°W (Elev. 804 ft)
8:32 am PDT Oct 10, 2026
11am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
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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