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

Us

South Twin Sister
Weather Forecast, United States

Issued: 9pm Mon 01 Mar Local Time
Updates in: hr min s
Update imminent
Elevation Choose Forecast Elevation:Elevation:
 

South Twin Sister Weather (Days 0-3):

A light covering of new snow mostly falling on Thu afternoon. Temperatures will be below freezing (max -2°C on Wed night, min -8°C on Mon night). Winds increasing (light winds from the WSW on Tue morning, strong winds from the SSE by Thu morning).

(Days 3-6):

A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -4°C on Thu night, min -10°C on Sat morning). Winds decreasing (near gales from the S on Thu night, light winds from the SW by Sat night).

Mon
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sun
7
night AM PM night AM PM night AM PM night AM PM night AM PM night AM PM
snow showers
partially cloudy
partially cloudy
partially cloudy
partially cloudy
partially cloudy
partially cloudy
cloudy
light snow
moderate snow
moderate snow
moderate snow
cloudy
light snow
snow showers
partially cloudy
partially cloudy
partially cloudy
Wind km/h
30 SW30
20 SW20
20 WSW20
25 SW25
25 SSW25
30 SSW30
40 S40
35 SSE35
35 SSE35
55 S55
55 S55
45 SSW45
30 SSW30
20 SW20
20 WSW20
20 WSW20
25 SSE25
15 SSE15
snow shwrs some clouds some clouds some clouds some clouds some clouds some clouds cloudy light snow mod. snow mod. snow mod. snow cloudy light snow snow shwrs some clouds some clouds some clouds
Rain
Rain mm
- - - - - - - - - - - - - - - - - -
Snow
Snow cm
4 - - - - - - - 3 7 7 7 - 5 1 - - -
High °C
-6 -7 -8 -6 -5 -3 -2 -2 -3 -4 -5 -7 -8 -9 -10 -9 -8 -7
Low °C
-8 -8 -8 -7 -5 -4 -3 -3 -4 -4 -5 -8 -9 -10 -10 -10 -8 -7
Chill °C
-14 -14 -15 -13 -12 -10 -10 -11 -11 -14 -15 -17 -16 -17 -18 -15 -16 -13
Freezing level m
1000 850 850 700 1200 1550 1850 1800 1750 1450 1350 1050 750 800 900 650 1050 1300
Sea lvl3000ft6000ft9000ft12000ft15000ft
-6-7-8-6-5-3-2-2-3-4-5-7-8-9-10-9-8-7-2-5-5-3-123320-1-3-4-5-5-4-2-143317861110653223166
Sunrise
- 6:47 - - 6:45 - - 6:43 - - 6:41 - - 6:39 - - 6:37 -
Sunset
- - 5:52 - - 5:54 - - 5:55 - - 5:58 - - 5:59 - - 6:00

South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: A light covering of new snow mostly falling on Thu afternoonTemperatures will be below freezing (max -2°C on Wed night, min -8°C on Mon night)Winds increasing (light winds from the WSW on Tue morning, strong winds from the SSE by Thu morning).

South Twin Sister Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri afternoonTemperatures will be below freezing (max -4°C on Thu night, min -10°C on Sat morning)Winds decreasing (near gales from the S on Thu night, light winds from the SW by Sat night).

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 5 closest weather stations

Weather StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
22 minutes ago
5° C
Dry
3
Calm
(3 kph at 244).
Bellingham
25 km WSW
198m alt.
1 hour ago
4° C
Dry
0
Calm
(0 kph at 90).
Deming
25 km WNW
102m alt.
13 minutes ago
6° C
Dry
3
Calm
(3 kph at 93).
Bellingham
27 km WSW
99m alt.
1 hour ago
5° C
Dry
0
Calm
(0 kph at 183).
Bellingham
30 km WSW
130m alt.
12 minutes ago
4° C
Dry
0
Calm
(0 kph at 165).

* 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.