– Lat/Long: 47.51° N 121.74° W
Mount Si Weather Forecast
Cascade Range · United StatesIssued: 3 am Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 13 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Si Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 31mm), heaviest during Fri night. Very mild (max 14°C on Fri morning, min 4°C on Sun night). Mainly fresh winds. | Days 4–6 Weather SummaryModerate rain (total 13mm), heaviest on Wed afternoon. Mild temperatures (max 8°C on Mon morning, min 3°C on Tue night). Wind will be generally light. | |||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | |  | | | | |  | | | | |
light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | mod. rain | light rain | light rain | rain shwrs | clear | light rain | rain shwrs | rain shwrs | clear | light rain | light rain | mod. rain | light rain | |
Cloud base (m) | 700 | 500 | 700 | 550 | 750 | 400 | 450 | 900 | 950 | 1750 | 550 | 500 | 700 | 500 | 400 | 450 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 6 | 8 | 0.6 | 1 | 10 | 4 | 1.1 | 0.3 | — | 0.7 | 1.4 | 0.2 | — | 1.2 | 1.4 | 7 | 1.6 |
max °C | 14 | 9 | 8 | 9 | 8 | 9 | 8 | 7 | 5 | 8 | 7 | 5 | 7 | 6 | 5 | 4 | 3 | 3 |
min °C | 11 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 4 | 7 | 5 | 4 | 5 | 4 | 3 | 4 | 3 | 3 |
chill °C | 10 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 4 | 7 | 5 | 4 | 5 | 1 | 1 | 2 | 2 | 3 |
Freezing level m | 2750 | 2100 | 1700 | 1700 | 1750 | 2050 | 1700 | 1450 | 1300 | 1400 | 1400 | 1150 | 1200 | 1350 | 1600 | 1150 | 950 | 950 |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — |
 | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:28 | — | — | 4:27 | — |
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Mount Si Weather (Days 0-3):
The weather forecast for Mount Si is: Heavy rain (total 31mm), heaviest during Fri night. Very mild (max 14°C on Fri morning, min 4°C on Sun night). Mainly fresh winds.
Mount Si Weather (Days 3-6):
Moderate rain (total 13mm), heaviest on Wed afternoon. Mild temperatures (max 8°C on Mon morning, min 3°C on Tue 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
SHIP2599 | |||||
SHIP14650 | |||||
SHIP11142 | |||||
SHIP2224 | |||||
SHIP14322 | |||||
SHIP10968 |
* 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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