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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

49°F

9°C

Humidity 58%
Wind Speed NNW 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Oct 11:53 PM PDT
Extended Forecast for

Kennewick WA

Freeze Watch October 12, 11:00pm until October 13, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Northwest wind 6 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. South wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Light southwest wind.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Northwest wind 6 to 8 mph.
Columbus Day
Sunny, with a high near 60. Light and variable wind.
Monday Night
Mostly clear, with a low around 37. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 65. Light southwest wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.19°W (Elev. 663 ft)
Last Update:
11:46 pm PDT Oct 11, 2026
Forecast Valid:
12am PDT Oct 12, 2026-6pm PDT Oct 18, 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