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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

57°F

14°C

Humidity 47%
Wind Speed SW 14 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Mar 03:00 PM PDT
Extended Forecast for

4 Miles SSW Richland WA

High Wind Warning March 11, 05:00pm until March 12, 11:00am
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 56. Windy, with a southwest wind around 30 mph, with gusts as high as 39 mph.

    High: 56 °F

    Slight Chance
    Rain and
    Windy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. Very windy, with a southwest wind 38 to 40 mph, with gusts as high as 49 mph.

    Low: 46 °F

    Chance Rain
    and Very
    Windy

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a steady temperature around 50. Windy, with a southwest wind 28 to 36 mph, with gusts as high as 44 mph.

    High: 50 °F

    Chance Rain
    and Windy

  • Thursday Night

    Thursday Night: A chance of rain before 2am, then a chance of rain and snow. Cloudy, with a low around 40. Breezy, with a southwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 40 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain likely, possibly mixed with snow, becoming all rain after 2pm. Cloudy, with a high near 52. Southwest wind around 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 52 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain and snow before 11am. Snow level 3400 feet lowering to 1600 feet. Mostly sunny, with a high near 53. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 11am, then a slight chance of rain and snow. Snow level rising to 2500 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 56. Windy, with a southwest wind around 30 mph, with gusts as high as 39 mph.
Tonight
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. Very windy, with a southwest wind 38 to 40 mph, with gusts as high as 49 mph.
Thursday
A 40 percent chance of rain. Cloudy, with a steady temperature around 50. Windy, with a southwest wind 28 to 36 mph, with gusts as high as 44 mph.
Thursday Night
A chance of rain before 2am, then a chance of rain and snow. Cloudy, with a low around 40. Breezy, with a southwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Rain likely, possibly mixed with snow, becoming all rain after 2pm. Cloudy, with a high near 52. Southwest wind around 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A slight chance of rain and snow before 11am. Snow level 3400 feet lowering to 1600 feet. Mostly sunny, with a high near 53. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A slight chance of snow before 11am, then a slight chance of rain and snow. Snow level rising to 2500 feet in the afternoon. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
Sunday Night
A chance of rain. Cloudy, with a low around 42.
Monday
A slight chance of rain. Mostly cloudy, with a high near 66.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 70.
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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:
3:21 pm PDT Mar 11, 2026
Forecast Valid:
3pm PDT Mar 11, 2026-6pm PDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation