– Lat/Long: 48.71° N 121.99° W
North Twin Sister 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 North Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 20mm), heaviest on Fri morning giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Thu night, calm by Sat night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Tue morning. Becoming milder with moderate rain (total 16mm) heaviest on Tue morning. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Tue night). Winds increasing (light winds from the WNW on Sun morning, strong winds from the SSW 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 | light snow | light snow | mod. snow | some clouds | some clouds | some clouds | clear | some clouds | some clouds | clear | cloudy | mod. rain | light snow | snow shwrs | some clouds | |
Cloud base (m) | 3450 | 2750 | 650 | 550 | 650 | 600 | 700 | 1700 | 6700 | 6600 | 2250 | 650 | 550 | 600 | 600 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | 3 | 4 | 9 | — | — | — | — | — | — | — | — | — | 4 | 1 | — |
mm | — | 0.3 | 10 | 9 | — | — | — | — | — | — | — | — | — | — | 8 | 8 | — | — |
max °C | 6 | 6 | 5 | 2 | 1 | -2 | -2 | 0 | 1 | 2 | 3 | 3 | 1 | 2 | 2 | 2 | 0 | -1 |
min °C | 5 | 5 | 3 | 1 | -1 | -3 | -3 | 0 | 1 | 2 | 3 | 1 | 1 | 2 | 2 | 2 | 0 | -2 |
chill °C | 2 | 1 | -2 | -5 | -7 | -9 | -7 | -4 | 1 | 0 | 0 | -3 | -3 | -2 | -4 | -4 | -8 | -8 |
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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North Twin Sister Weather (Days 0-3):
The weather forecast for North Twin Sister is: Moderate rain (total 20mm), heaviest on Fri morning giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Thu morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Thu night, calm by Sat night).
North Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Tue morning. Becoming milder with moderate rain (total 16mm) heaviest on Tue morning. Freeze-thaw conditions (max 3°C on Sun afternoon, min -2°C on Tue night). Winds increasing (light winds from the WNW on Sun morning, strong winds from the SSW by Mon night).
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 |
|---|---|---|---|---|---|
SHIP2844 | |||||
 | |||||
Bellingham Airport | | ||||
SHIP1971 | |||||
SHIP7288 | |||||
SHIP10785 | |||||
SHIP10360 | |||||
* 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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