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

UsSouth Twin Sister
Weather Forecast, United States

Issued: 4am Thu 05 Aug Local Time
Updates in: hr min s
Update imminent
Mountain icon 3 South Twin Sister Elevations: 3 Forecast Elevations:
 

South Twin Sister Weather (Days 0-3):

Moderate rain (total 12mm), heaviest on Thu night. Very mild (max 17°C on Thu morning, min 6°C on Sat night). Wind will be generally light.

(Days 3-6):

Some drizzle, heaviest during Sun morning. Warm (max 21°C on Tue night, min 5°C on Sun morning). Wind will be generally light.

Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
clear
clear
rain showers
rain showers
partially cloudy
cloudy
light rain
light rain
rain showers
light rain
partially cloudy
clear
clear
clear
clear
clear
clear
clear
clear clear rain shwrs rain shwrs some clouds cloudy light rain light rain rain shwrs light rain some clouds clear clear clear clear clear clear clear
Wind km/h
5
10
15
10
10
15
15
10
5
5
5
5
0
5
5
5
10
5
Snow
 mm
- - - - - - - - - - - - - - - - - -
Rain
 mm
- - 4 2 - - 1 1 4 1 - - - - - - - -
Max °C
17 16 15 10 10 10 8 9 8 6 8 9 11 15 15 14 19 21
Min °C
15 16 11 10 10 8 7 8 6 5 6 8 9 14 13 13 18 20
 Chill °C
17 16 14 8 8 9 6 7 6 6 8 9 11 15 15 14 19 21
4050 3950 3700 3400 3400 3500 3200 3150 2550 3050 3450 4050 4300 4500 4950 5000 5250 5150
Sea lvl3000ft6000ft9000ft12000ft15000ft
13121177755435891213131618171615101010898689111515141921232420181816131413121615192319222723
Sunrise
5:46 - - 5:48 - - 5:48 - - 5:50 - - 5:52 - - 5:52 - -
Sunset
- 8:39 - - 8:37 - - 8:37 - - 8:35 - - 8:32 - - 8:31 -

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Moderate rain (total 12mm), heaviest on Thu night. Very mild (max 17°C on Thu morning, min 6°C on Sat night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Some drizzle, heaviest during Sun morning. Warm (max 21°C on Tue night, min 5°C on Sun morning). Wind will be generally light.

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.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
2 hours ago
25° C
Dry
5
Calm
(5 kph at 271).
5
Bellingham
25 km WSW
198m alt.
1 hour ago
22° C
Dry
3
Calm
(3 kph at 18).
6
Deming
25 km WNW
102m alt.
48 minutes ago
26° C
Dry
3
Calm
(3 kph at 163).
10
Bellingham
27 km WSW
99m alt.
37 minutes ago
23° C
Dry
6
Light winds from the SSW
(6 kph at 193).
19
Bellingham
30 km WSW
130m alt.
35 minutes ago
24° C
Dry
3
Calm
(3 kph at 105).
14

* 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.