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

Yakima Air Terminal - McAllister Field (KYKM)

Lat: 46.56402°NLon: 120.53484°WElev: 1043.0ft.

Clear

77°F

25°C

Humidity 29%
Wind Speed N 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 08 Aug 09:20 PM PDT
Extended Forecast for

Sunnyside WA

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

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Light southwest wind.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Light and variable wind becoming northwest around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Light and variable wind.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Clear

  • Monday

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

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Light and variable wind.
Saturday
Mostly sunny, with a high near 91. Light southwest wind.
Saturday Night
Mostly clear, with a low around 58. Light and variable wind becoming northwest around 5 mph.
Sunday
Sunny, with a high near 97. Light and variable wind.
Sunday Night
Clear, with a low around 63. Light and variable wind.
Monday
Sunny and hot, with a high near 102.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sunnyside WA
 46.32°N 120°W (Elev. 748 ft)
Last Update:
4:15 pm PDT Aug 8, 2025
Forecast Valid:
9pm PDT Aug 8, 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