– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast,
United States
Issued: 4pm Fri 30 Oct Local TimeUpdates in: hr min sUpdate imminent
Issued: 4pm Fri 30 Oct Local Time
Updates in: hr min s
Update imminent Issued: 4pm Fri 30 Oct Local Time
Updates in: hr min s
Update imminent 
South Twin Sister Weather (Days 0-3):Mostly dry. Freeze-thaw conditions (max 12°C on Sun afternoon, min -2°C on Fri night). Wind will be generally light. |
(Days 3-6):Heavy rain (total 54mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Wed night. Freeze-thaw conditions (max 10°C on Mon afternoon, min -4°C on Thu morning). Mainly gales. |
|||||||||||||||||
|
|
||||||||||||||||||
|
|
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM |
 |
 |
 |
|
|
|
|
|
|
|
|
 |
 |
 |
 |
|
 |
 |
|
|
Wind
km/h
|
 15 |
5 |
5 |
0 |
5 |
5 |
10 |
25 |
25 |
30 |
45 |
35 |
30 |
60 |
60 |
40 |
55 |
30 |
| cloudy | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | heavy rain | light rain | light rain | mod. rain | heavy rain | light snow | light snow | |
Rain
mm
|
- | - | - | - | - | - | - | - | - | - | - | 14 | 1 | 4 | 7 | 12 | 16 | - |
Snow
cm
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 |
|
High
°C
|
-1 | -1 | 1 | 4 | 9 | 11 | 12 | 12 | 10 | 10 | 10 | 4 | 6 | 5 | 4 | 4 | 4 | -4 |
|
Low
°C
|
-1 | -2 | 0 | 2 | 6 | 10 | 12 | 11 | 10 | 10 | 8 | 3 | 5 | 4 | 4 | 3 | -2 | -4 |
|
Chill
°C
|
-7 | -3 | -1 | 4 | 8 | 11 | 12 | 11 | 7 | 7 | 6 | -2 | 1 | -1 | -2 | -4 | -3 | -13 |
|
Freezing level
m
|
1300 | 1250 | 2150 | 3400 | 3350 | 3750 | 3700 | 3700 | 3600 | 3450 | 3300 | 2650 | 2350 | 2200 | 2100 | 1900 | 2200 | 950 |
|
||||||||||||||||||
|
- | - | 7:54 | - | - | 7:54 | - | - | 7:56 | - | - | 7:58 | - | - | 8:00 | - | - | 8:00 |
|
5:50 | - | - | 5:47 | - | - | 5:45 | - | - | 5:45 | - | - | 5:43 | - | - | 5:42 | - | - |
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dryFreeze-thaw conditions (max 12°C on Sun afternoon, min -2°C on Fri night)Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 54mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Wed nightFreeze-thaw conditions (max 10°C on Mon afternoon, min -4°C on Thu morning)Mainly gales.
This table gives the weather forecast for South Twin Sister at the specific elevation of 1500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South 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 | Cloud / Visibility |
|---|---|---|---|---|
Skagit Burlingto / t Vernon Airport | | |||
Bellingham Airport |  | |||
BUOY-46118 | ||||
SHIP5237 | ||||
BUOY-PBFW1 |
* 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.
Like us
Follow us