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 >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

43°F

6°C

Humidity 48%
Wind Speed WNW 9 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 22 Mar 01:00 AM PDT
Extended Forecast for

4 Miles SSW Richland WA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Southwest wind 7 to 10 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Southwest wind around 7 mph becoming east in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. East wind around 5 mph becoming northwest in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 48. Southwest wind around 6 mph.

    Low: 48 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Breezy.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Southwest wind 7 to 10 mph.
Sunday
Sunny, with a high near 56. Southwest wind around 7 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 40. East wind around 5 mph becoming northwest in the evening.
Monday
Partly sunny, with a high near 60. Northwest wind around 6 mph becoming southwest in the afternoon.
Monday Night
Cloudy, with a low around 48. Southwest wind around 6 mph.
Tuesday
Rain likely. Cloudy, with a high near 59. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 36. Breezy.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 62.
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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:
11:02 pm PDT Mar 21, 2026
Forecast Valid:
1am 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