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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed NNW 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Aug 07:35 AM PDT
Extended Forecast for

Pasco WASimilar City Names

Extreme Heat Watch August 10, 12:00pm until August 12, 10:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 69. Northwest wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Light and variable wind.
Sunday
Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 69. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 102. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 102.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WASimilar City Names
 46.24°N 119.11°W (Elev. 397 ft)
Last Update:
4:20 am PDT Aug 9, 2025
Forecast Valid:
7am PDT Aug 9, 2025-6pm PDT Aug 15, 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