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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Overcast

64°F

18°C

Humidity 72%
Wind Speed SW 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Aug 09:20 PM PDT
Extended Forecast for

Des Moines WA

  • Tonight

    Tonight: Rain, mainly after midnight. Low around 61. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain. High near 69. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain. Low around 61. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Partly sunny, with a high near 74. South southwest wind 8 to 10 mph.

    High: 74 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 56. West southwest wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 56 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after midnight. Low around 61. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 69. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 61. South wind 9 to 11 mph, with gusts as high as 23 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 rain. Partly sunny, with a high near 74. South southwest wind 8 to 10 mph.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 56. West southwest wind 5 to 10 mph becoming light south southwest after midnight.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly cloudy, with a high near 74.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Des Moines WA
 47.38°N 122.28°W (Elev. 289 ft)
Last Update:
8:01 pm PDT Aug 14, 2025
Forecast Valid:
9pm PDT Aug 14, 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