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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

61°F

16°C

Humidity 77%
Wind Speed NNW 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Aug 12:05 AM PDT
Extended Forecast for

2 Miles WNW Kennewick WA

  • Overnight

    Overnight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 8am. Sunny, with a high near 89. Southwest wind 5 to 8 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Southwest wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind around 6 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63. Southwest wind around 7 mph.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph.
Monday
A 20 percent chance of showers before 8am. Sunny, with a high near 89. Southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 63. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 91. Southwest wind around 6 mph.
Tuesday Night
Clear, with a low around 63. Southwest wind around 7 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
Thursday Night
Clear, with a low around 62.
Friday
Sunny, with a high near 97.
Friday Night
Clear, with a low around 65.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Clear, with a low around 67.
Sunday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Kennewick WA
 46.21°N 119.22°W (Elev. 600 ft)
Last Update:
10:41 pm PDT Aug 17, 2025
Forecast Valid:
12am PDT Aug 18, 2025-6pm PDT Aug 24, 2025
 
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