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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

37°F

3°C

Humidity 66%
Wind Speed E 5 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 22 Mar 02:53 AM PDT
Extended Forecast for

4 Miles WNW West Richland WA

Flood Warning until March 24, 10:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until March 24, 10:00am

    NOW until 10:00am Tue

    Flood Warning

  • Overnight

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. East wind around 6 mph becoming northwest in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63. Northwest wind around 6 mph becoming south in the afternoon.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain. Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. West wind around 7 mph.
Sunday
Increasing clouds, with a high near 59. Light and variable wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. East wind around 6 mph becoming northwest in the evening.
Monday
Partly sunny, with a high near 63. Northwest wind around 6 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 48. Southwest wind around 7 mph.
Tuesday
Rain likely. Cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 61. Breezy.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW West Richland WA
 46.35°N 119.48°W (Elev. 577 ft)
Last Update:
2:30 am PDT Mar 22, 2026
Forecast Valid:
3am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation