Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

SPRING CANYON (SPCW1)

Lat: 47.93472°NLon: 118.93472°WElev: 1340.0ft.

NA

72°F

22°C

Humidity 35%
Wind Speed ENE 14 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 29 Sep 01:37 PM PDT
Extended Forecast for

Grand Coulee WA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers after 5pm.  Widespread haze before 4pm. Mostly cloudy, with a high near 76. South wind 10 to 13 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 8pm and 2am.  Widespread haze before 11pm, then widespread haze after 3am. Areas of smoke between 11pm and 3am. Mostly cloudy, with a low around 54. South wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers before 11am.  Mostly sunny, with a high near 70. South wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 55. South wind 11 to 13 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers.  Partly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 29 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers.  Mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers after 5pm. Widespread haze before 4pm. Mostly cloudy, with a high near 76. South wind 10 to 13 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly between 8pm and 2am. Widespread haze before 11pm, then widespread haze after 3am. Areas of smoke between 11pm and 3am. Mostly cloudy, with a low around 54. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 70. South wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55. South wind 11 to 13 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.93°N 118.99°W (Elev. 2037 ft)
12:02 pm PDT Sep 29, 2025
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
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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