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

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

64°F

18°C

Humidity 100%
Wind Speed S 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 15 Aug 06:55 AM PDT
Extended Forecast for

Rochester WA

  • Today

    Today: Rain, mainly after 1pm. High near 69. South wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 58. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 73. Southwest wind 6 to 8 mph.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 1pm. High near 69. South wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 1am. Low around 58. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 73. Southwest wind 6 to 8 mph.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. West wind 5 to 8 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rochester WA
 46.83°N 123.13°W (Elev. 98 ft)
Last Update:
2:25 am PDT Aug 15, 2025
Forecast Valid:
7am PDT Aug 15, 2025-6pm PDT Aug 21, 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