– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 3 am Tue 17 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 17 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 17 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 1°C on Tue morning, min -6°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Sun night. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Fri night). Wind will be generally light. | |||||||||||||||||
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | |  | | |  | | |  | |
cloudy | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | some clouds | rain shwrs | some clouds | some clouds | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 1 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | 5 | |
max °C | 1 | 0 | -1 | 0 | 0 | -3 | 0 | 0 | -3 | 1 | 2 | 1 | 5 | 5 | 3 | 8 | 8 | 3 |
min °C | 1 | -1 | -3 | -1 | -2 | -6 | -1 | -2 | -5 | -1 | -1 | -2 | 3 | 2 | 1 | 6 | 4 | 2 |
1 | -1 | -3 | -3 | -2 | -9 | -1 | -2 | -5 | -4 | -3 | -5 | -1 | -3 | -4 | 2 | 0 | -1 | |
650 | 550 | 100 | 400 | 550 | 0 | 300 | 450 | 0 | 400 | 700 | 300 | 1200 | 1200 | 1600 | 1700 | 1750 | 1100 | |
Cloud base (m) | 2000 | 1400 | 400 | 400 | 400 | 450 | 500 | 400 | 650 | 400 | 400 | 600 | 2300 | 4100 | 400 | 2400 | 2850 | 500 |
 | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — |
 | — | 5:32 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:39 | — | — | 5:40 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 1°C on Tue morning, min -6°C on Wed night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sun night. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Fri night). Wind will be generally light.
This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
Seattl / oeing Airport | | ||||
| |||||
SHIP5206 |
* 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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