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

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Clear

82°F

28°C

Humidity 32%
Wind Speed NNE 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 09 Aug 06:15 PM PDT
Extended Forecast for

5 Miles ESE Rochester WA

Heat Advisory August 10, 02:00pm until August 12, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 3 to 6 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. North northeast wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61. North wind 5 to 7 mph.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92. North northeast wind 3 to 8 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. North wind 3 to 7 mph.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 58. North northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 90. North northeast wind 5 to 10 mph.
Sunday Night
Clear, with a low around 61. North wind 5 to 7 mph.
Monday
Sunny, with a high near 92. North northeast wind 3 to 8 mph.
Monday Night
Clear, with a low around 63. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Mostly cloudy, with a high near 74.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Saturday
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:
5 Miles ESE Rochester WA
 46.78°N 123.02°W (Elev. 144 ft)
Last Update:
2:50 pm PDT Aug 9, 2025
Forecast Valid:
6pm PDT Aug 9, 2025-6pm PDT Aug 16, 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