– Lat/Long: 47.51° N 121.74° W
Mount Si
Weather Forecast, United StatesIssued: 3 am Tue 10 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 10 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 10 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 9°C on Tue morning, min 2°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 22mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -2°C on Sun night). Wind will be generally light. | |||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | |  | |  |  | |  | | |  | |
clear | clear | clear | some clouds | clear | some clouds | some clouds | clear | some clouds | light rain | light rain | rain shwrs | cloudy | light rain | light rain | light rain | light rain | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
— | — | — | — | — | — | — | — | — | 1.4 | 1.8 | 9 | — | 0.7 | 4 | 5 | 1.5 | — | |
max °C | 9 | 8 | 3 | 9 | 8 | 4 | 7 | 7 | 4 | 5 | 4 | 3 | 5 | 5 | 3 | 5 | 5 | 0 |
min °C | 6 | 4 | 2 | 6 | 4 | 4 | 5 | 4 | 3 | 4 | 4 | 1 | 4 | 3 | 3 | 3 | 3 | -2 |
5 | 2 | 0 | 6 | 4 | 3 | 4 | 4 | 2 | 2 | 2 | 1 | 4 | 1 | 0 | 3 | 0 | -2 | |
1550 | 1600 | 1550 | 1600 | 1750 | 1850 | 1350 | 1350 | 1150 | 1200 | 1150 | 950 | 1050 | 1150 | 1150 | 1100 | 1200 | 500 | |
Cloud base (m) | 4050 | 1800 | 400 | 9100 | 7950 | 7000 | 3550 | 1950 | 950 | 850 | 450 | 400 | 750 | 2050 | 500 | 400 | 550 | 650 |
 | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — |
 | — | 5:22 | — | — | 5:23 | — | — | 5:24 | — | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Mostly dry. Mild temperatures (max 9°C on Tue morning, min 2°C on Tue night). Wind will be generally light.
Mount Si Weather (Days 3-6):
Heavy rain (total 22mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -2°C on Sun 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 | | ||||
| |||||
SHIP9507 | |||||
SHIP3096 | |||||
SHIP10433 | |||||
SHIP3797 | |||||
SHIP4880 | |||||
SHIP7821 |
* 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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