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

45°F

7°C

Humidity 61%
Wind Speed NW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Oct 04:30 AM PDT
Extended Forecast for

4 Miles NNW West Richland WA

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

  • Columbus Day

    Columbus Day: Sunny, with a high near 62. Northwest wind around 6 mph becoming east in the afternoon.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind around 6 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Light southeast wind.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 62. Northwest wind around 6 mph becoming east in the afternoon.
Tonight
Mostly clear, with a low around 34. South wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 66. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 39. Light and variable wind.
Wednesday
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 70.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW West Richland WA
 46.38°N 119.42°W (Elev. 499 ft)
Last Update:
4:00 am PDT Oct 12, 2026
Forecast Valid:
4am 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