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

55°F

13°C

Humidity 63%
Wind Speed S 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 10:53 AM PDT
Extended Forecast for

8 Miles NNE Pasco WA

  • Today

    Today: Sunny, with a high near 64. West wind around 10 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 34. Southwest wind 5 to 10 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 58. South wind around 6 mph.

    High: 58 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Southeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. West wind around 10 mph.
Tonight
Clear, with a low around 34. Southwest wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 58. South wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 37. Southeast wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 60. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.
Wednesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Pasco WA
 46.36°N 119.08°W (Elev. 545 ft)
Last Update:
10:15 am PDT Mar 21, 2026
Forecast Valid:
11am PDT Mar 21, 2026-6pm PDT Mar 27, 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