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

30°F

-1°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 02 Mar 01:55 AM PST
Extended Forecast for

Grand Coulee WA

  • Overnight

    Overnight: Clear, with a steady temperature around 35. Calm wind.

    Low: 35 °F

    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: Increasing clouds, with a low around 36. South wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. South wind 6 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 42. South wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a steady temperature around 35. Calm wind.
Monday
Sunny, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 36. South wind around 5 mph becoming east after midnight.
Tuesday
Partly sunny, with a high near 55. South wind 6 to 10 mph.
Tuesday Night
Rain likely, mainly after 4am. Cloudy, with a low around 42. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 58. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Coulee WA
 47.94°N 119.02°W (Elev. 1601 ft)
1:32 am PST Mar 2, 2026
2am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

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