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.

Partly Cloudy

68°F

20°C

Humidity 45%
Wind Speed WSW 6 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 06:30 PM PDT
Extended Forecast for

4 Miles SSW Richland WA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 11pm. Cloudy, with a low around 48. West wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 59 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Northwest wind 7 to 14 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Southwest wind around 7 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 11pm. Cloudy, with a low around 48. West wind 11 to 20 mph, with gusts as high as 28 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 36. Northwest wind 7 to 14 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 57. Southwest wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 40. South wind around 6 mph becoming northwest in the evening.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 59.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 35. Breezy.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
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:
4:15 pm PDT Mar 20, 2026
Forecast Valid:
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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