– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 10 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 24 Sep Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 28mm), mostly on Fri morning. Becoming colder with a light covering of snow ,mostly falling on Fri afternoon. Freeze-thaw conditions (max 10°C on Thu morning, min 0°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 29mm), heaviest during Tue morning. Mild temperatures (max 6°C on Sun afternoon, min 1°C on Tue night). Winds increasing (calm on Sun morning, strong winds from the S by Mon night). | |||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  |  |  | | | | | | | |  | |
cloudy | light rain | mod. rain | heavy rain | light snow | mod. snow | some clouds | rain shwrs | some clouds | clear | some clouds | some clouds | clear | cloudy | mod. rain | heavy rain | rain shwrs | rain shwrs | |
Cloud base (m) | 3450 | 2750 | 650 | 550 | 650 | 600 | 700 | 1700 | 6700 | 6600 | 2250 | 650 | 550 | 600 | 600 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 3 | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.3 | 10 | 15 | 2 | — | — | 0.2 | — | — | — | — | — | — | 8 | 17 | 3 | 0.4 |
max °C | 10 | 9 | 9 | 5 | 5 | 1 | 0 | 3 | 4 | 4 | 6 | 6 | 4 | 5 | 5 | 5 | 4 | 3 |
min °C | 8 | 9 | 6 | 5 | 2 | 0 | 0 | 3 | 3 | 4 | 5 | 4 | 3 | 5 | 4 | 4 | 3 | 1 |
chill °C | 8 | 9 | 2 | 1 | -3 | -5 | -3 | 2 | 3 | 4 | 4 | 1 | 1 | 3 | -2 | -1 | -1 | -4 |
Freezing level m | 2750 | 2900 | 2650 | 2250 | 1850 | 1650 | 1600 | 2100 | 2300 | 2400 | 2500 | 2300 | 2200 | 2350 | 2600 | 2400 | 1950 | 1750 |
 | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Heavy rain (total 28mm), mostly on Fri morning. Becoming colder with a light covering of snow ,mostly falling on Fri afternoon. Freeze-thaw conditions (max 10°C on Thu morning, min 0°C on Fri night). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
Heavy rain (total 29mm), heaviest during Tue morning. Mild temperatures (max 6°C on Sun afternoon, min 1°C on Tue night). Winds increasing (calm on Sun morning, strong winds from the S by Mon night).
This table gives the weather forecast for Twin Sisters Mountain at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Twin Sisters 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 |
|---|---|---|---|---|---|
SHIP3241 | |||||
 | |||||
Bellingham Airport |  | ||||
SHIP8358 | |||||
SHIP4448 | |||||
SHIP3606 | |||||
SHIP7904 | |||||
* 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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