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

SPRING CANYON (SPCW1)

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

NA

84°F

29°C

Humidity 29%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index82°F (28°C)
Last update 15 Aug 04:37 PM PDT
Extended Forecast for

Grand Coulee WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Patchy smoke. Partly sunny, with a high near 89. North wind around 5 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Widespread haze between 9pm and 10pm. Patchy smoke. Mostly cloudy, with a low around 64. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Widespread haze after 11am. Patchy smoke before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Haze

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 65. West wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Patchy smoke. Partly sunny, with a high near 89. North wind around 5 mph.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Widespread haze between 9pm and 10pm. Patchy smoke. Mostly cloudy, with a low around 64. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Widespread haze after 11am. Patchy smoke before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 65. West wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.95°N 118.99°W (Elev. 1627 ft)
Last Update:
3:36 pm PDT Aug 15, 2026
Forecast Valid:
5pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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