– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 4°C on Sun afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat night). | Days 4–6 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Tue morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Wed night). Winds increasing (light winds from the WNW on Mon morning, near gales from the W by Mon night). | |||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | | |  | |  |  | | | | |
light snow | light snow | snow shwrs | clear | clear | cloudy | some clouds | clear | clear | clear | some clouds | rain shwrs | light snow | light rain | some clouds | clear | clear | clear | |
Cloud base (m) | 850 | 900 | 900 | 1500 | 1800 | 6500 | 5650 | 8300 | 5850 | 5750 | 1800 | 900 | 850 | 1700 | 1500 | 2350 | 900 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 3 | 3 | 4 | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1.4 | — | 0.1 | — | — | — | — |
max °C | 2 | 0 | -3 | 0 | 2 | 1 | 2 | 4 | 2 | 4 | 5 | 3 | 2 | 2 | 2 | 1 | 1 | -1 |
min °C | 1 | -1 | -4 | -2 | 1 | 1 | 1 | 3 | 2 | 2 | 5 | 2 | 2 | 2 | -1 | 0 | 1 | -3 |
chill °C | -3 | -9 | -12 | -9 | -3 | 0 | 1 | 0 | -1 | -2 | 1 | -6 | -5 | -5 | -8 | -7 | -5 | -11 |
Freezing level m | 2450 | 2050 | 1600 | 2200 | 2500 | 2450 | 2650 | 2750 | 2800 | 3000 | 3050 | 3150 | 2600 | 2700 | 2350 | 2400 | 2350 | 1800 |
 | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 4°C on Sun afternoon, min -4°C on Fri night). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat night).
Grindstone Mountain Weather (Days 3-6):
Drizzle at first, then turning colder with dusting of snow on Tue morning. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Wed night). Winds increasing (light winds from the WNW on Mon morning, near gales from the W by Mon 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.
* 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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