Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 4 am Fri 24 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Very mild (max 12°C on Fri afternoon, min 5°C on Sat night). Winds decreasing (fresh winds from the S on Sat afternoon, light winds from the S by Sun morning).

Days 4–6 Weather Summary

Light rain (total 5mm), mostly falling on Tue night. Mild temperatures (max 8°C on Mon night, min 3°C on Wed morning). Wind will be generally light.

Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
rain showers
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
clear
part cloud
rain showers
rain showers
rain showers
clear
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
some clouds
rain shwrs
rain shwrs
rain shwrs
clear
Cloud base (m)
1850
2350
2350
900
1600
2700
1700
1650
2500
2050
650
1750
km/h
10
WSW
15
SW
15
SSW
25
S
35
S
15
SSW
10
S
25
SSW
20
SSW
10
SSW
10
SW
15
SSW
20
SSW
25
SSW
20
SSW
10
SSW
10
W
10
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.4
0.2
0.2
0.3
1.4
0.4
0.7
0.1
2
0.9
0.2
max °C
10
12
11
7
8
6
5
6
6
5
7
8
7
8
7
3
6
7
min °C
10
12
8
7
7
5
5
6
5
4
6
8
7
8
4
3
5
7
 chill °C
8
11
5
3
2
0
2
2
0
1
4
6
4
5
0
0
2
6
Freezing level m
4000
4050
3550
3350
3050
3350
3250
3250
3000
2950
3450
3850
3400
3300
2800
2850
3400
3900
Sea lvl1000m2000m3000m4000m5000m
10121078656657878636713161411129891091111111310799202418182115151815161916182215141814
Sunrise
5:31
5:31
5:33
5:33
5:35
5:37
Sunset
8:57
8:54
8:53
8:52
8:51
8:50

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Light rain (total 3mm), mostly falling on Sun night. Very mild (max 12°C on Fri afternoon, min 5°C on Sat night). Winds decreasing (fresh winds from the S on Sat afternoon, light winds from the S by Sun morning).

South Twin Sister Weather (Days 3-6):

Light rain (total 5mm), mostly falling on Tue night. Mild temperatures (max 8°C on Mon night, min 3°C on Wed morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 2134 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.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
34 km WSW
100m alt.
49 minutes ago
18° C
Dry
3
Calm
(3 kph at 157).
8
SHIP4886
38 km WSW
3m alt.
2 hours ago
17° C
13
Light winds from the SE
(13 kph at 140).
41 km SSW
219m alt.
2 hours ago
16° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
Bellingham Airport
41 km W
219m alt.
2 hours ago
17° C
clear
Clear
11
Light winds from the S
(11 kph at 170).
16 km
43 km WNW
25m alt.
1 hour ago
19° C
Dry
5
Calm
(5 kph at 169).
11
SHIP6343
38 km WSW
15m alt.
2 hours ago
13
Light winds from the SE
(13 kph at 140).
- km
SHIP5339
38 km WSW
3m alt.
1 hour ago
19° C
8
Light winds from the SSE
(8 kph at 160).
41 km SSW
219m alt.
2 hours ago
16° C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
Bellingham Airport
41 km W
219m alt.
2 hours ago
17° C
clear
Clear
11
Light winds from the S
(11 kph at 170).
16 km
43 km WNW
25m alt.
1 hour ago
19° C
Dry
5
Calm
(5 kph at 169).
11

* 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.