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

South Twin Sister
Weather Forecast, United States

Issued: 10 pm Sun 19 Jul Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Mostly dry. Very mild (max 17°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Very mild (max 16°C on Wed night, min 4°C on Fri night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
light rain
clear
clear
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
light rain
Cloud base (m)
8950
7000
5850
4250
5400
9100
4800
5650
600
600
600
750
km/h
10
SE
10
SSE
10
SSW
10
S
5
SSW
10
SW
5
SW
5
SW
10
SW
20
SW
10
SSW
20
SW
15
SSW
15
SW
25
WSW
20
SW
15
WSW
10
SW
15
SSW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
0.1
0.2
0.7
max °C
13
14
16
16
15
17
17
16
17
16
14
14
13
9
9
8
4
5
5
min °C
11
14
15
15
15
17
16
15
16
14
13
14
10
8
9
4
4
4
5
 chill °C
11
14
15
15
15
17
16
15
16
13
12
13
8
5
6
0
0
1
2
Freezing level m
4150
4300
4300
4350
4400
4600
4600
4450
4500
4300
4100
4050
3800
3550
3600
3100
3000
3250
3300
Sea lvl1000m2000m3000m4000m5000m
121416161517171617151414129964551618222120222220222018191612131077819243023263024263024252721192216131414
Sunrise
5:26
5:26
5:28
5:28
5:31
5:31
Sunset
9:00
9:00
8:59
8:58
8:57
8:54

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 17°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Very mild (max 16°C on Wed night, min 4°C on Fri night). 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.
1 hour ago
12° C
Dry
0
Calm
(0 kph at 0).
0
SHIP2445
38 km WSW
15m alt.
3 hours ago
- km
41 km SSW
219m alt.
2 hours ago
12° C
clear
Clear
0
Calm
(0 kph at 0).
16 km
Bellingham Airport
41 km W
219m alt.
3 hours ago
14° C
clear
Clear
0
Calm
(0 kph at 0).
16 km
43 km WNW
25m alt.
4 hours ago
17° C
Dry
3
Calm
(3 kph at 188).
6
SHIP4404
38 km WSW
15m alt.
4 hours ago
- km
SHIP4575
38 km WSW
15m alt.
4 hours ago
- km
SHIP7520
38 km WSW
3m alt.
4 hours ago
SHIP8950
38 km WSW
3m alt.
2 hours ago
SHIP5489
38 km WSW
3m alt.
4 hours ago

* 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.