– Lat/Long: 47.64° N 120.91° W
Grindstone Mountain
Weather Forecast, United StatesIssued: 9 am Sat 13 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 13 Dec Local Time
Updates in:
Update imminent hr min s
3 Grindstone Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Sat night will be washed away by heavy rain (total 38mm) on Mon morning. Freeze-thaw conditions (max 6°C on Sat morning, min -1°C on Mon night). Winds increasing (calm on Sat afternoon, strong winds from the WSW by Mon afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue morning, min -8°C on Thu night). Winds decreasing (strong winds from the W on Tue night, light winds from the SSW by Thu morning). | |||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  |  |  |  | | |  | |  | | |
clear | cloudy | snow shwrs | rain shwrs | some clouds | heavy rain | heavy rain | mod. rain | light snow | light snow | mod. snow | heavy snow | mod. snow | mod. snow | mod. snow | light snow | heavy snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 1 | — | — | — | — | — | 4 | 5 | 7 | 33 | 8 | 8 | 9 | 5 | 13 | 6 | |
— | — | 0.8 | 0.5 | — | 16 | 13 | 8 | — | — | — | — | — | — | — | — | — | — | |
max°C | 6 | 6 | 6 | 3 | 4 | 4 | 5 | 6 | -1 | 0 | 0 | 0 | -4 | -3 | -3 | -3 | -3 | -5 |
min°C | 6 | 6 | 2 | 3 | 3 | 4 | 4 | 2 | -1 | -1 | 0 | -5 | -4 | -3 | -3 | -3 | -4 | -8 |
5 | 5 | -1 | 0 | 1 | 3 | 3 | -5 | -7 | -4 | -4 | -14 | -12 | -10 | -8 | -6 | -11 | -14 | |
3200 | 3000 | 2600 | 2150 | 2250 | 2600 | 2650 | 2450 | 1300 | 1300 | 1450 | 1250 | 900 | 1000 | 1100 | 950 | 1000 | 600 | |
Cloud base (m) | 9200 | 900 | 900 | 1500 | 1500 | 900 | 850 | 900 | 900 | 850 | 850 | 1400 | 1450 | 850 | 850 | 1350 | 1350 | 1400 |
 | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — |
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Grindstone Mountain Weather (Days 0-3):
The weather forecast for Grindstone Mountain is: A light covering of new snow mostly falling on Sat night will be washed away by heavy rain (total 38mm) on Mon morning. Freeze-thaw conditions (max 6°C on Sat morning, min -1°C on Mon night). Winds increasing (calm on Sat afternoon, strong winds from the WSW by Mon afternoon).
Grindstone Mountain Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Tue morning, min -8°C on Thu night). Winds decreasing (strong winds from the W on Tue night, light winds from the SSW by Thu morning).
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.