– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 9 am Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Fri morning, min -7°C on Sun night). Winds decreasing (strong winds from the SSE on Fri morning, light winds from the SSW by Sat afternoon). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Wed afternoon. Temperatures will be well below freezing (max -6°C on Mon morning, min -8°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the SSE by Tue night). | |||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  |  | | | | | | | | | |
cloudy | light snow | mod. snow | some clouds | some clouds | light snow | light snow | light snow | some clouds | clear | clear | some clouds | some clouds | some clouds | some clouds | light snow | light snow | light snow | |
Cloud base (m) | 2500 | 2000 | 1400 | 1450 | 1700 | 850 | 900 | 900 | 950 | 950 | 1500 | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 3 | 9 | — | — | 5 | 5 | 2 | — | — | — | — | — | — | — | 2 | 4 | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 0 | -1 | -3 | -3 | -3 | -2 | -3 | -5 | -6 | -6 | -6 | -7 | -6 | -6 | -6 | -7 | -7 | -8 |
min °C | 0 | -1 | -4 | -3 | -3 | -3 | -4 | -6 | -7 | -6 | -6 | -7 | -6 | -6 | -7 | -7 | -7 | -8 |
chill °C | -8 | -9 | -11 | -10 | -7 | -10 | -9 | -13 | -14 | -13 | -13 | -12 | -9 | -6 | -16 | -16 | -15 | -14 |
Freezing level m | 2250 | 2150 | 1700 | 1800 | 1900 | 1700 | 1550 | 1500 | 1050 | 1400 | 1400 | 950 | 1300 | 1450 | 900 | 1150 | 1150 | 1000 |
 | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 4:29 | — | — | 4:28 | — | — | 4:25 | — | — | 4:24 | — | — | 4:23 | — | — | 4:22 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Fri morning, min -7°C on Sun night). Winds decreasing (strong winds from the SSE on Fri morning, light winds from the SSW by Sat afternoon).
Grindstone Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be well below freezing (max -6°C on Mon morning, min -8°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the SSE by Tue night).
This table gives the weather forecast for Grindstone Mountain at the specific elevation of 2296 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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 | |||||
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Winthrop Airport (Washington) | | ||||
SHIP3545 |
* 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.
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