– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 3 pm Sun 14 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 14 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 34mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Mon morning, min -5°C on Tue night). Winds increasing (calm on Tue morning, strong winds from the W by Tue night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Thu afternoon, min -7°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | |  |  | | | |  |  | |
light rain | heavy rain | heavy rain | light snow | snow shwrs | light snow | mod. snow | heavy snow | mod. snow | light snow | cloudy | heavy snow | light snow | snow shwrs | light snow | snow shwrs | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | 1 | 2 | 4 | 9 | 26 | 7 | 4 | — | 15 | 5 | 3 | 3 | 1 | 4 | |
0.1 | 18 | 14 | 1.9 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 3 | 4 | 6 | 4 | -1 | 0 | 1 | 0 | -4 | -3 | -3 | -4 | -1 | -2 | -5 | -7 | -5 |
min°C | 3 | 4 | 6 | 0 | -2 | -2 | 0 | -5 | -4 | -4 | -4 | -4 | -1 | -6 | -5 | -7 | -6 |
0 | 2 | 2 | -6 | -8 | -2 | -4 | -14 | -13 | -11 | -10 | -7 | -6 | -13 | -11 | -14 | -12 | |
2150 | 2650 | 2650 | 2100 | 1200 | 1250 | 1600 | 1550 | 850 | 900 | 900 | 850 | 1200 | 900 | 800 | 300 | 650 | |
Cloud base (m) | 1500 | 900 | 850 | 850 | 900 | 850 | 850 | 1350 | 1450 | 900 | 900 | 850 | 1350 | 1400 | 1400 | 1400 | 850 |
 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — |
 | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Heavy rain (total 34mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Mon morning, min -5°C on Tue night). Winds increasing (calm on Tue morning, strong winds from the W by Tue night).
Grindstone Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Thu afternoon, min -7°C on Fri afternoon). Wind will be generally light.
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Grindstone Mountain. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
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Winthrop Airport (Washington) |  |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.