Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Grand Coulee Dam Airport (K3W7)

Lat: 47.92205°NLon: 119.083°WElev: 1593.0ft.

Clear

54°F

12°C

Humidity 37%
Wind Speed W 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 01 Mar 01:55 PM PST
Extended Forecast for

Grand Coulee WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. Light east wind.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Light north wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Southeast wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South wind 6 to 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 10pm.  Cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Light east wind.
Tonight
Mostly clear, with a low around 35. Light north wind.
Monday
Sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 37. Southeast wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 54. South wind 6 to 10 mph.
Tuesday Night
A 30 percent chance of rain, mainly after 10pm. Cloudy, with a low around 42.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 53.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
1:12 pm PST Mar 1, 2026
2pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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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