South Twin Sister
Weather Forecast, United States

South Side Mt. Adams, Mount Adams

Mount Adams

 

Days 0-3 South Twin Sister Weather Summary:

Mostly dry. Very mild (max 13°C on Thu afternoon, min 9°C on Fri morning). Wind will be generally light.

Days 3-6 South Twin Sister Weather Summary:

Light rain (total 9mm), mostly falling on Tue night. Very mild (max 18°C on Mon afternoon, min 10°C on Wed morning). Wind will be generally light.

AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
partially cloudy
rain showers
Wind km/h
5 SW5
10 SW10
10 WSW10
5 W5
10 WNW10
10 NW10
5 NNE5
0 S0
5 ESE5
5 ENE5
5 N5
10 NE10
10 E10
5 NNE5
5 SE5
10 S10
15 WSW15
15 SW15
clear clear clear clear clear clear clear clear clear clear clear clear clear clear clear rain shwrs some clouds rain shwrs
See all weather maps
Rain
Rain mm
- - - - - - - - - - - - - - - 2 - 7
Snow
Snow cm
- - - - - - - - - - - - - - - - - -
High °C
12 13 12 9 11 11 10 12 13 13 15 16 15 18 18 16 16 14
Low °C
11 13 10 9 10 10 10 12 12 12 14 15 15 17 17 15 15 11
Chill °C
12 12 11 8 10 10 9 12 13 13 15 16 15 18 18 16 16 13
Freezing level m
4150 4150 4100 4000 4100 4150 4200 4200 4150 4050 4150 4200 4300 4400 4450 4250 4200 3900
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
12131291111101213131516151818161614151616121414121616172021202323212019222521202219202421242724273126262824
Sunrise
6:01 - - 6:03 - - 6:05 - - 6:05 - - 6:07 - - 6:09 - -
Sunset
- 8:21 - - 8:19 - - 8:16 - - 8:15 - - 8:13 - - 8:10 -

Issued local time.

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.
49 minutes ago
21° C
Dry
3
Calm
(3 kph at 112).
Bellingham
25 km WSW
198m alt.
1 hour ago
21° C
Dry
2
Calm
(2 kph at 67).
Deming
25 km WNW
102m alt.
1 hour ago
24° C
Dry
2
Calm
(2 kph at 360).
Bellingham
29 km W
71m alt.
1 hour ago
24° C
Dry
5
Calm
(5 kph at 255).
Bellingham
32 km W
130m alt.
3 hours ago
23° C
Dry
3
Calm
(3 kph at 273).

* 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. We also include passing Ship data if it is recorded close to South Twin Sister and within an acceptable time window.