GRAND COULEE, WA 99133 Weather Forecast & Current Conditions

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OMAK, WA
Current Weather

12:53 AM PDT JUN 23, 2025
Clear
48°F
Feels Like: 47°F
Dewpoint: 48°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: NW at 3 mph
Pressure: 30.05 inches
Last 72 hours

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GRAND COULEE, WA 99133
Weather Forecast

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REST OF TONIGHT
A chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the upper 40s to mid 50s. Southwest wind 5 to 10 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.
MONDAY
Sunny. Highs in the upper 70s to lower 80s. South wind 5 to 10 mph.
MONDAY NIGHT
Mostly clear. Lows in the 50s. Southeast wind 5 to 10 mph.
TUESDAY
Partly cloudy. Warmer. Highs in the mid 80s to lower 90s. Southeast wind 5 to 10 mph.
TUESDAY NIGHT
Mostly cloudy with a chance of sprinkles. Lows in the upper 50s to lower 60s. Southwest wind 5 to 10 mph with gusts up to 20 mph.
WEDNESDAY THROUGH SATURDAY
Partly cloudy. Highs in the upper 70s to upper 80s. Lows in the lower 50s to lower 60s.
SATURDAY NIGHT AND SUNDAY
Clear. Lows in the 50s. Highs in the upper 80s to lower 90s.

Visible Weather Satellite
GRAND COULEE, WA 99133
Infrared Weather Satellite
GRAND COULEE, WA 99133
NEXRAD Weather Radar
GRAND COULEE, WA 99133

OMAK, WA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/22/2025
Monday
23 JUN 2025
GRAND COULEE, WA 99133 weather forecast Day 1, 0 hours 11 PM 75° 75° Clear 1%

0% Thunder
( 2% severe)
SW   3 87% 71°
Low 71° GRAND COULEE, WA 99133 weather forecast Day 1, 3 hours 2 AM 72° 72° Clear SW   2 97% 71°
High 94° GRAND COULEE, WA 99133 weather forecast Day 1, 6 hours 5 AM 76° 76° Clear 6%

0% Thunder
( 10% severe)
WSW   2 94% 74°

Partly Cloudy



GRAND COULEE, WA 99133 weather forecast Day 1, 9 hours 8 AM 88° 98° Clear WNW   2 66% 75°
GRAND COULEE, WA 99133 weather forecast Day 1, 12 hours 11 AM 92° 100° Partly Cloudy 4%

0% Thunder
( 20% severe)
WSW   2 52% 72°
GRAND COULEE, WA 99133 weather forecast Day 1, 15 hours 2 PM 92° 99° Partly Cloudy S   2 51% 71°
GRAND COULEE, WA 99133 weather forecast Day 1, 18 hours 5 PM 85° 91° Partly Cloudy 1%

0% Thunder
( 12% severe)
SSW   2 65% 72°
GRAND COULEE, WA 99133 weather forecast Day 1, 21 hours 8 PM 79° 82° Clear WSW   2 77% 71°
Tuesday
24 JUN 2025
GRAND COULEE, WA 99133 weather forecast Day 2, 0 hours 11 PM 76° 77° Partly Cloudy 2%

0% Thunder
( 4% severe)
WNW   2 85% 71°
Low 73° GRAND COULEE, WA 99133 weather forecast Day 2, 3 hours 2 AM 74° 74° Partly Cloudy NW   2 90% 71°
High 96° GRAND COULEE, WA 99133 weather forecast Day 2, 6 hours 5 AM 77° 78° Partly Cloudy 1%

0% Thunder
( 10% severe)
ESE   1 90% 74°

Partly Cloudy



GRAND COULEE, WA 99133 weather forecast Day 2, 9 hours 8 AM 90° 100° Partly Cloudy N   2 60% 74°
GRAND COULEE, WA 99133 weather forecast Day 2, 12 hours 11 AM 94° 102° Partly Cloudy 6%

0% Thunder
( 31% severe)
WNW   2 49% 72°
GRAND COULEE, WA 99133 weather forecast Day 2, 15 hours 2 PM 93° 100° Partly Cloudy NW   2 49% 71°
GRAND COULEE, WA 99133 weather forecast Day 2, 18 hours 5 PM 85° 91° Partly Cloudy 1%

0% Thunder
( 25% severe)
NW   3 65% 72°
GRAND COULEE, WA 99133 weather forecast Day 2, 21 hours 8 PM 79° 82° Partly Cloudy WSW   2 74% 70°

OMAK, WA extended weather forecast

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Low 56° Low 59° Low 58° Low 54° Low 55°
High 88° High 84° High 79° High 79° High 83°
GRAND COULEE, WA 99133 weather forecast Day 3 GRAND COULEE, WA 99133 weather forecast Day 4 GRAND COULEE, WA 99133 weather forecast Day 5 GRAND COULEE, WA 99133 weather forecast Day 6 GRAND COULEE, WA 99133 weather forecast Day 7
Partly Cloudy
5% Rain
Overcast
21% Rain
Overcast
39% Rain
Overcast
41% Rain
Partly Cloudy
24% Rain
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