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 >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Clear

75°F

24°C

Humidity 44%
Wind Speed NNW 10 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 08 Aug 02:53 PM PDT
Extended Forecast for

2 Miles NNW Sammamish WA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Calm wind.
Saturday
Mostly sunny, with a high near 79. Light and variable wind.
Saturday Night
Mostly clear, with a low around 58. Light northeast wind.
Sunday
Sunny, with a high near 84. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A slight chance of rain. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Sammamish WA
 47.65°N 122.05°W (Elev. 200 ft)
Last Update:
2:25 pm PDT Aug 8, 2025
Forecast Valid:
3pm 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