Grand Coulee, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory - High Wind Watch

Current Conditions From Nearby Local Station

61°F
Feels Like 61°F  
Humidity 66% Dew Point 49°F Wind S 17 MPH Gusts 27 Barometer 31.19 in.
Solar Rad 88 w/m2
Report from a MADIS/MESONET weather station 2.3 mi. E of central Grand Coulee
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Point Forecast at a Glance

MonDec 15
Mon Dec 15: Mostly Sunny, High 58F, Low 40F
58
40
TueDec 16
Tue Dec 16: Rain Likely, High 53F, Low 41F
60%
53
41
WedDec 17
Wed Dec 17: Rain And Snow, High 50F, Low 37F
20%
50
37
ThuDec 18
Thu Dec 18: Snow, High 44F, Low 36F
90%
44
36
FriDec 19
Fri Dec 19: Rain And Snow, High 43F, Low 31F
20%
43
31
SatDec 20
Sat Dec 20: Snow, High 42F, Low 30F
20%
42
30
SunDec 21
Sun Dec 21: Snow, High 40F, Low 31F
20%
40
31

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7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 58°F to 40°F. Unsettled weather expected with snow likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 14°F above the historical average for December. Normal highs for this period are around 33°F with lows around 22°F.

This Date in Weather History

1987 - A major winter storm hit the Great Lakes Region, intensifying explosively as it crossed northern Illinois. High winds and heavy snow created blizzard conditions in southeastern Wisconsin. Winds gusted to 73 mph, and snowfall totals ranged up to 17 inches at LaFarge. The barometric pressure at Chicago IL dropped three quarters of an inch in six hours to 28.96 inches, a record low reading for December. Up to a foot of snow blanketed northern Illinois, and winds in the Chicago area gusted to 75 mph. O'Hare Airport in Chicago was closed for several hours, for only the fourth time in twenty years. High winds derailed train cars at Avon IN. Light winds and partly sunny skies were reported near the center of the storm, a feature typical of tropical storms.

More on this and other weather history

Grand Coulee, WA 7 Day Weather Forecast Details

Monday Dec 15

Mostly Sunny

Day: Mostly sunny, with a high near 58. Southwest wind around 17 mph, with gusts as high as 28 mph.

Mostly Clear

Night: Mostly clear, with a low around 40. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 34 mph.

Tuesday Dec 16

Rain Likely

Day: Rain likely, mainly after 4pm. Partly sunny, with a high near 53. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: Rain, mainly before 4am. Low around 41. Windy, with a southwest wind 21 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Dec 17

Rain And Snow

Day: A slight chance of rain and snow before 10am. Sunny, with a high near 50. Windy, with a southwest wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.

Snow

Night: Rain likely, possibly mixed with snow after 4am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Dec 18

Snow

Day: Rain likely, possibly mixed with snow before 10am, then rain. High near 44. Chance of precipitation is 90%. Little or no snow accumulation expected.

Rain And Snow

Night: Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

Friday Dec 19

Rain And Snow

Day: A slight chance of rain and snow before 10am. Mostly sunny, with a high near 43. Chance of precipitation is 20%.

Partly Cloudy

Night: Partly cloudy, with a low around 31.

Saturday Dec 20

Snow

Day: A 20 percent chance of snow. Mostly sunny, with a high near 42.

Snow

Night: A 20 percent chance of snow. Partly cloudy, with a low around 30.

Sunday Dec 21

Snow

Day: A 20 percent chance of snow. Partly sunny, with a high near 40.

Snow

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 31.

Monday Dec 22

Snow

Day: A 40 percent chance of snow. Partly sunny, with a high near 41.


About Grand Coulee, WA

Grand Coulee is a city in Grant County, Washington, United States. The population was 972 at the 2020 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.