– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 11°C on Thu morning, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 4°C on Mon night, min -4°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | | | | | |  |  |  | | |
clear | clear | rain shwrs | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | light snow | mod. snow | snow shwrs | |
Cloud base (m) | 8400 | 9450 | 600 | 600 | 600 | 750 | 750 | 850 | 2950 | 2150 | 650 | 550 | 550 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | 4 | 7 | 8 |
mm | — | — | 0.9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 11 | 10 | 9 | 2 | -2 | -3 | -3 | -1 | -1 | 0 | 1 | 3 | 3 | 3 | 4 | 2 | 1 | 0 |
min °C | 11 | 10 | 3 | -1 | -3 | -4 | -4 | -3 | -1 | 0 | 1 | 2 | 3 | 3 | 1 | 2 | 1 | -4 |
chill °C | 9 | 8 | -2 | -7 | -7 | -4 | -9 | -7 | -5 | -3 | -2 | 0 | 1 | 1 | -4 | -3 | -4 | -11 |
Freezing level m | 3850 | 3700 | 3000 | 1900 | 1600 | 1500 | 1550 | 1900 | 1900 | 1950 | 2300 | 3200 | 3500 | 3100 | 3000 | 2500 | 2300 | 1450 |
 | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: A light covering of new snow mostly falling on Fri morning. Freeze-thaw conditions (max 11°C on Thu morning, min -4°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).
North Twin Sister Weather (Days 3-6):
A moderate fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 4°C on Mon night, min -4°C on Tue night). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 2024 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North Twin Sister. 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 |
|---|---|---|---|---|---|
SHIP8632 | |||||
 | |||||
SHIP11360 | |||||
SHIP4429 | |||||
SHIP4958 | |||||
SHIP9624 |
* 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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