– Lat/Long: 48.71° N 121.99° W
North Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 28 Sep Local Time
Updates in:
Update imminent hr min s
3 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 41mm), heaviest during Tue morning. Mild temperatures (max 7°C on Tue morning, min 3°C on Tue night). Winds decreasing (strong winds from the S on Mon night, calm by Wed afternoon). | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 13°C on Sat night, min 4°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | |  | |  | | |  |  | | | | |
some clouds | cloudy | heavy rain | heavy rain | mod. rain | rain shwrs | clear | some clouds | some clouds | cloudy | light rain | rain shwrs | light rain | rain shwrs | clear | clear | clear | clear | |
Cloud base (m) | 2950 | 2350 | 700 | 550 | 550 | 900 | 5650 | 3400 | 2950 | 2450 | 1550 | 650 | 850 | 9100 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 11 | 22 | 8 | 0.1 | — | — | — | — | 0.4 | 1 | 1.1 | 0.3 | — | — | — | — |
max °C | 6 | 6 | 6 | 7 | 6 | 5 | 3 | 5 | 6 | 7 | 5 | 6 | 6 | 6 | 8 | 9 | 12 | 13 |
min °C | 6 | 6 | 5 | 6 | 6 | 3 | 3 | 5 | 6 | 6 | 4 | 6 | 6 | 6 | 7 | 9 | 11 | 12 |
chill °C | 4 | 4 | -1 | 3 | 3 | 1 | 1 | 5 | 6 | 5 | 1 | 4 | 5 | 6 | 6 | 9 | 11 | 12 |
Freezing level m | 2450 | 2550 | 3100 | 2750 | 2650 | 2200 | 2300 | 2700 | 2350 | 2550 | 2750 | 2750 | 2500 | 3100 | 3600 | 3800 | 3900 | 3900 |
 | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — |
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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Heavy rain (total 41mm), heaviest during Tue morning. Mild temperatures (max 7°C on Tue morning, min 3°C on Tue night). Winds decreasing (strong winds from the S on Mon night, calm by Wed afternoon).
North Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Fri morning. Very mild (max 13°C on Sat night, min 4°C on Thu afternoon). Wind will be generally light.
This table gives the weather forecast for North Twin Sister at the specific elevation of 1500 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 |
|---|---|---|---|---|---|
SHIP8683 | |||||
 | |||||
SHIP7534 | |||||
SHIP4316 | |||||
SHIP11426 | |||||
SHIP8094 | |||||
SHIP5005 |
* 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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