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

Severe Thunderstorms and Excessive Rainfall in the Eastern U.S. Tuesday; Hot Weather for Southern California

Severe thunderstorms are likely across portions of the Mid-South, Tennessee Valley, and lower Ohio River Valley Tuesday, including damaging winds and tornadoes, a few of which could be strong. Heavy to excessive rainfall, which may lead to flooding, is expected over the lower Ohio Valley Tuesday. An extended period of hot weather is forecast for parts of coastal southern California this week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

48°F

9°C

Humidity 70%
Wind Speed SW 11 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 May 03:00 AM PDT
Extended Forecast for

4 Miles SSW Richland WA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 48. Southwest wind around 17 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. West wind 9 to 14 mph, with gusts as high as 18 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. Southwest wind around 8 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. East wind around 7 mph becoming northwest after midnight.

    Low: 52 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 48. Southwest wind around 17 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 66. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 45. West wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 68. Southwest wind around 8 mph.
Wednesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. East wind around 7 mph becoming northwest after midnight.
Thursday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 82.
Sunday Night
A slight chance of showers. Mostly clear, with a low around 57.
Memorial Day
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Richland WA
 46.24°N 119.33°W (Elev. 1398 ft)
Last Update:
2:06 am PDT May 20, 2025
Forecast Valid:
3am PDT May 20, 2025-6pm PDT May 26, 2025
 
Forecast Discussion
 
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Additional Resources

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