– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Wed 28 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 28 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Wed afternoon). Mainly near gales.											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Sun afternoon). Winds decreasing (near gales from the W on Mon morning, calm by Tue morning).
	Wed 28		Thursday 29			Friday 30			Saturday 31			Sunday 1			Monday 2
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	light snow	snow shwrs	some clouds	light snow	light snow	some clouds
km/h	WNW	WSW	W	W	SW	WSW	W	SW	SW	SSW	SSW	WSW	WSW	WSW	WSW	W	NNW
See all weather maps
cm	—	1	—	—	—	—	—	—	—	—	—	3	1	—	2	4	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-4	-3	-1	0	0	0	0	1	2	2	0	-4	-5	-4	-2	-3	-1
min °C	-5	-4	-2	-1	0	0	-1	0	2	1	-4	-5	-6	-6	-3	-3	-2
chill °C	-12	-11	-10	-6	-6	-8	-8	-5	-3	-5	-13	-15	-14	-14	-12	-12	-10

Freezing level m	1800	1750	2150	2500	2650	2400	2350	2500	2850	2850	2400	1850	1850	1300	1850	1850	1550
Cloud base (m)	1850	1800	2150	2300	5700	3350	2250	2750	5150	6400	5200	1900	1800	1850	2850	1900	1800

	—	—	7:26	—	—	7:26	—	—	7:24	—	—	7:24	—	—	7:22	—	—
	5:10	—	—	5:13	—	—	5:14	—	—	5:15	—	—	5:16	—	—	5:17	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Wed afternoon). Mainly near gales.

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Sun afternoon). Winds decreasing (near gales from the W on Mon morning, calm by Tue morning).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. 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 Oregon.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 2 hours ago	1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago	6° C	Dry	Wind obs. (6 kph from 166 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	2° C	Dry and cloudy.	Light winds from the SW (9 kph at 230).	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 54 minutes ago	3° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 1 hour ago	-1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 52 minutes ago	4° C	Dry	Calm (0 kph at 227).
Bend wx 39 km E 1118m alt. 2 hours ago	2° C	-	Calm (0 kph at 180).
Camp Sherman 39 km NNE 920.5m alt. 51 minutes ago	1° C	-	Calm (0 kph at 218).
Deschutes River Woods wx 40 km ESE 1185m alt. 3 hours ago	1° C	-	Calm (0 kph at 236).

* 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.