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

45°F

7°C

Humidity 45%
Wind Speed NW 14 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Mar 11:30 PM PDT
Extended Forecast for

3 Miles N Finley WA

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 35. South wind 3 to 5 mph.

    Low: 35 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 59. South wind 3 to 5 mph.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Light east wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 63. Light and variable wind.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

  • Tuesday Night

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

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

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

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 35. South wind 3 to 5 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. South wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 39. Light east wind.
Monday
Increasing clouds, with a high near 63. Light and variable wind.
Monday Night
Cloudy, with a low around 48. Light south wind.
Tuesday
Rain likely, mainly after 11am. Cloudy, with a high near 62. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Wednesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Finley WA
 46.21°N 119.04°W (Elev. 400 ft)
Last Update:
11:02 pm PDT Mar 21, 2026
Forecast Valid:
11pm PDT Mar 21, 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