– Lat/Long: 48.70° N 121.99° W
Twin Sisters Mountain Weather Forecast
Cascade Range · United StatesIssued: 4 pm Fri 23 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 23 Oct Local Time
Updates in:
Update imminent hr min s
3 Twin Sisters Mountain Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Freeze-thaw conditions (max 8°C on Mon morning, min 0°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min -3°C on Thu morning). Winds increasing (calm on Mon afternoon, fresh winds from the S by Tue night). | ||||||||||||||||
Fri 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | |  | |  | | |  |  |  |  | |
clear | some clouds | cloudy | cloudy | light rain | light rain | cloudy | some clouds | some clouds | some clouds | cloudy | some clouds | cloudy | snow shwrs | mod. snow | light snow | light snow | |
Cloud base (m) | 1750 | 2750 | 2150 | 3250 | 2600 | 4000 | 5300 | 5500 | 4900 | 2950 | 1800 | 750 | 800 | 550 | 550 | 650 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 4 | 4 |
mm | — | — | — | — | 4 | 0.1 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 2 | 2 | 3 | 2 | 6 | 5 | 5 | 7 | 8 | 7 | 6 | 1 | 1 | 0 | -2 | -2 | -1 |
min °C | 2 | 2 | 2 | 0 | 3 | 5 | 4 | 6 | 7 | 7 | 2 | 0 | 0 | -2 | -2 | -2 | -2 |
chill °C | 2 | 2 | 2 | -5 | 0 | 3 | 3 | 4 | 6 | 6 | 0 | -2 | -4 | -8 | -8 | -7 | -6 |
Freezing level m | 1950 | 1950 | 2150 | 1500 | 2300 | 2300 | 2300 | 2550 | 2600 | 2550 | 2000 | 1600 | 1600 | 1300 | 1150 | 1200 | 1100 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:46 | — | — | 7:47 | — | — |
 | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:55 | — | — | 5:54 | — |
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Twin Sisters Mountain Weather (Days 0-3):
The weather forecast for Twin Sisters Mountain is: Light rain (total 4mm), mostly falling on Sat night. Freeze-thaw conditions (max 8°C on Mon morning, min 0°C on Sat afternoon). Wind will be generally light.
Twin Sisters Mountain Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min -3°C on Thu morning). Winds increasing (calm on Mon afternoon, fresh winds from the S by Tue 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 |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport |  | ||||
* 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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