National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

66°F

19°C

Humidity 50%
Wind Speed SW 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 Jun 01:53 AM PDT
Extended Forecast for

Pasco WA

  • Overnight

    Overnight: Mostly clear, with a low around 59. Southwest wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Southwest wind 6 to 16 mph, with gusts as high as 29 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. West wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 54 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 81. Southwest wind 3 to 5 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Southwest wind around 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 88. Southwest wind 6 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 54. West wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Juneteenth
Partly sunny, with a high near 81. Southwest wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 57. Southwest wind around 7 mph.
Friday
Partly sunny, with a high near 75.
Friday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 52.
Saturday
A 40 percent chance of showers, mainly after 11am. Partly sunny, with a high near 69.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
A chance of showers, mainly before 11am. Partly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
Last Update:
12:22 am PDT Jun 18, 2025
Forecast Valid:
2am PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation