– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sat 12 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 12 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Sun morning. Becoming mild with drizzle, on Tue afternoon. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun night, calm by Tue morning). | Days 5–7 Weather SummaryMostly dry. Very mild (max 14°C on Fri afternoon, min 4°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  |  | | | | | | | |
mod. snow | mod. snow | light snow | rain shwrs | clear | some clouds | some clouds | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 850 | 900 | 900 | 900 | 1500 | 6400 | 2200 | 1600 | ||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 7 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | — | — | 0.3 | — | — | — | 0.1 | 1.1 | — | — | — | — | — | — | — |
max °C | 3 | 0 | 0 | 3 | 4 | 6 | 4 | 3 | 4 | 6 | 9 | 11 | 10 | 12 | 13 | 11 |
min °C | 0 | -1 | 0 | 1 | 3 | 6 | 2 | 2 | 2 | 4 | 7 | 10 | 10 | 10 | 13 | 10 |
chill °C | -4 | -7 | -6 | -5 | 3 | 4 | 0 | 2 | -1 | -1 | 6 | 10 | 9 | 10 | 12 | 9 |
Freezing level m | 2400 | 2100 | 2350 | 3350 | 3400 | 3150 | 3200 | 2600 | 2850 | 3300 | 3800 | 3800 | 4100 | 4100 | 4100 | 4250 |
 | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — |
 | — | — | 7:20 | — | — | 7:17 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A moderate fall of snow, heaviest on Sun morning. Becoming mild with drizzle, on Tue afternoon. Freeze-thaw conditions (max 6°C on Mon afternoon, min -1°C on Sun morning). Winds decreasing (fresh winds from the NW on Sun night, calm by Tue morning).
Grindstone Mountain Weather (Days 3-6):
Mostly dry. Very mild (max 14°C on Fri afternoon, min 4°C on Tue night). Wind will be generally light.
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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* 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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