North Twin Sister
Weather Forecast, United States

Sloan Peak

Sloan Peak

 

Days 0-3 North Twin Sister Weather Summary:

A light covering of new snow mostly falling on Fri night will be washed away by heavy rain (total 74mm) on Sun morning. Freeze-thaw conditions (max 9°C on Fri morning, min 0°C on Fri night). Winds decreasing (fresh winds from the SSE on Thu night, calm by Fri night).

Days 3-6 North Twin Sister Weather Summary:

Heavy rain (total 217mm), heaviest during Tue afternoon. Mild temperatures (max 8°C on Tue morning, min 4°C on Mon afternoon). Wind will be generally light.

PM night AM PM night AM PM night AM PM night AM PM night AM PM night AM
heavy rain
heavy rain
cloudy
heavy rain
snow showers
partially cloudy
partially cloudy
heavy rain
heavy rain
heavy rain
heavy rain
moderate rain
moderate rain
heavy rain
heavy rain
heavy rain
heavy rain
moderate rain
Wind km/h
20 SSE20
25 SSE25
25 SSE25
25 SSE25
20 SW20
5 SE5
10 ESE10
15 ESE15
20 ESE20
20 SE20
10 S10
15 SSE15
15 SE15
20 SSE20
25 S25
20 WSW20
10 S10
5 ENE5
heavy rain heavy rain cloudy heavy rain snow shwrs some clouds some clouds heavy rain heavy rain heavy rain heavy rain mod. rain mod. rain heavy rain heavy rain heavy rain heavy rain mod. rain
See all weather maps
Rain
Rain mm
12 14 - 12 - - - 14 22 24 39 6 8 37 34 28 22 10
Snow
Snow cm
- - - - 8 - - - - - - - - - - - - -
High °C
6 8 9 6 1 3 4 5 7 7 5 5 5 7 8 7 7 6
Low °C
6 6 7 3 0 1 3 3 6 6 5 5 4 5 8 6 6 5
Chill °C
2 4 6 2 -5 1 1 1 4 4 2 2 1 3 4 3 5 4
Freezing level m
1850 1900 2250 1550 650 700 1250 1450 2100 2150 1450 1350 1350 1500 2100 1650 1750 1400
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
-122-3-8-7-3-111-3-4-400-3-2-12670-5-412430-1-123121689613457755578776
Sunrise
- - 7:52 - - 7:54 - - 7:54 - - 7:54 - - 7:56 - - 7:56
Sunset
4:10 - - 4:10 - - 4:12 - - 4:12 - - 4:12 - - 4:12 - -

Issued local time.

This table gives the weather forecast for North Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of North 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
20 km S
155m alt.
2 hours ago
6° C
Dry
3
Calm
(3 kph at 286).
Bellingham
24 km WSW
198m alt.
2 hours ago
7° C
Dry
2
Calm
(2 kph at 225).
Deming
25 km WNW
102m alt.
2 hours ago
10° C
Dry
8
Light winds from the SSW
(8 kph at 192).
Bellingham
29 km W
71m alt.
2 hours ago
12° C
Dry
3
Calm
(3 kph at 142).
Bellingham
31 km W
130m alt.
2 hours ago
4° C
Dry
13
Light winds from the ESE
(13 kph at 111).

* 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 North Twin Sister and within an acceptable time window.

North Twin Sister Photos