– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Sat 24 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 24 Oct Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Sat morning, min -3°C on Mon night). Winds decreasing (fresh winds from the SSE on Sun morning, calm by Mon afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -3°C on Tue morning, min -9°C on Thu night). Winds decreasing (fresh winds from the W on Tue night, calm by Thu night). | |||||||||||||||||
Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | |  | |  |  |  | |  | |
clear | cloudy | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | cloudy | snow shwrs | mod. snow | light snow | light snow | snow shwrs | |
Cloud base (m) | 2900 | 3050 | 2950 | 3200 | 5000 | 2250 | 2000 | 900 | 900 | 900 | 900 | 900 | 1650 | 900 | 900 | 900 | 900 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 8 | 3 | 3 | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 1 | 1 | -1 | -1 | 0 | 0 | -1 | 0 | -2 | -3 | -3 | -4 | -7 | -6 | -7 | -7 | -7 | -8 |
min °C | 0 | 0 | -2 | -2 | 0 | -1 | -1 | -1 | -3 | -3 | -3 | -7 | -7 | -6 | -8 | -8 | -7 | -9 |
chill °C | -5 | -6 | -8 | -9 | -6 | -7 | -6 | -4 | -7 | -10 | -10 | -16 | -14 | -12 | -12 | -13 | -10 | -12 |
Freezing level m | 2450 | 2400 | 1950 | 2100 | 2200 | 2250 | 2200 | 2150 | 1650 | 1700 | 1700 | 1250 | 1400 | 1450 | 1150 | 1300 | 1250 | 550 |
 | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — |
 | — | 5:59 | — | — | 5:58 | — | — | 5:55 | — | — | 5:53 | — | — | 5:52 | — | — | 5:51 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: Mostly dry. Freeze-thaw conditions (max 1°C on Sat morning, min -3°C on Mon night). Winds decreasing (fresh winds from the SSE on Sun morning, calm by Mon afternoon).
Grindstone Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -3°C on Tue morning, min -9°C on Thu night). Winds decreasing (fresh winds from the W on Tue night, calm by Thu 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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Winthrop Airport (Washington) | | ||||
Seattl / oeing Airport |  |
* 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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