– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 3 pm Tue 24 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Tue 24 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 24 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Wed afternoon. Mild temperatures (max 5°C on Thu morning, min 1°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 9°C on Mon morning, min 1°C on Sat night). Wind will be generally light. | ||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | |  | | | | |  | |  | |
rain shwrs | some clouds | rain shwrs | light rain | light rain | light rain | rain shwrs | light rain | light rain | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.3 | — | 0.3 | 1.8 | 1 | 0.2 | 0.2 | 0.2 | 0.1 | — | — | — | — | — | — | — | — | |
max °C | 3 | 2 | 3 | 3 | 2 | 5 | 5 | 4 | 4 | 5 | 3 | 8 | 7 | 3 | 7 | 8 | 3 |
min °C | 2 | 1 | 3 | 3 | 1 | 3 | 4 | 3 | 4 | 3 | 2 | 6 | 4 | 1 | 5 | 4 | 2 |
2 | 1 | 0 | 0 | -2 | 0 | 1 | 0 | 2 | 3 | 2 | 5 | 4 | 1 | 4 | 4 | 2 | |
1000 | 700 | 850 | 950 | 800 | 900 | 1200 | 1050 | 1000 | 1150 | 1500 | 2250 | 1950 | 1900 | 1550 | 1600 | 2000 | |
Cloud base (m) | 450 | 500 | 500 | 500 | 650 | 450 | 550 | 550 | 500 | 600 | 650 | 450 | 750 | 450 | 500 | 750 | |
 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — |
 | 5:44 | — | — | 5:45 | — | — | 5:46 | — | — | 5:49 | — | — | 5:50 | — | — | 5:52 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Light rain (total 4mm), mostly falling on Wed afternoon. Mild temperatures (max 5°C on Thu morning, min 1°C on Tue night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Mostly dry. Mild temperatures (max 9°C on Mon morning, min 1°C on Sat 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
SHIP5120 | |||||
SHIP9030 | |||||
SHIP4668 | |||||
SHIP8307 | |||||
SHIP2413 |
* 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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