– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Wed 21 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Wed 21 Jan Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -8°C on Thu night). Winds increasing (light winds from the NNW on Wed morning, strong winds from the NE by Fri night).									Days 4–6 Weather Summary Mostly dry. Temperatures will be below freezing (max -5°C on Sat night, min -11°C on Sun night). Winds decreasing (strong winds from the ENE on Sat morning, light winds from the SE by Sat night).
	Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	cloudy	cloudy	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	cloudy	some clouds	some clouds	clear
km/h	NNW	NNW	NW	NW	WNW	NNW	NE	ENE	ENE	ENE	NE	E	SW	WSW	WSW	WSW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	1	1	-2	-5	-6	-7	-7	-6	-6	-6	-5	-5	-5	-7	-10	-10	-8
min °C	1	1	-1	-3	-6	-8	-7	-7	-7	-6	-6	-5	-5	-6	-11	-11	-11	-10
chill °C	-2	-4	-8	-11	-15	-17	-14	-16	-16	-16	-14	-12	-11	-14	-23	-22	-22	-20

Freezing level m	3350	3300	3150	2750	2250	1500	1500	1400	850	2000	2050	1450	2250	2200	1900	1850	1800	1400
Cloud base (m)	7100	8200		6800		1950	1800					8850	6650	6200	5150	2900	2500	1800

	7:33	—	—	7:33	—	—	7:33	—	—	7:31	—	—	7:31	—	—	7:30	—	—
	—	5:01	—	—	5:02	—	—	5:05	—	—	5:06	—	—	5:07	—	—	5:08	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -8°C on Thu night). Winds increasing (light winds from the NNW on Wed morning, strong winds from the NE by Fri night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -5°C on Sat night, min -11°C on Sun night). Winds decreasing (strong winds from the ENE on Sat morning, light winds from the SE by Sat night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 3157 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 969m alt. 1 hour ago	-6° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 27 minutes ago	-5° C	-	Calm (0 kph at —).
Sunriver 34 km SE 1242m alt. 37 minutes ago		Dry
Bend 34 km E 1164.6m alt. 1 hour ago		-	Calm (0 kph at 38).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago		-	Light winds from the S (15 kph at 180).	8 km Low: few Mid: overcast High: overcast
Bend 37 km SSE 1297m alt. 1 hour ago		-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 39 minutes ago		-	Calm (0 kph at 19).
Camp Sherman 39 km NNE 920.5m alt. 53 minutes ago	-4° C	-	Calm (0 kph at 115).
Deschutes River Woods wx 40 km ESE 1185m alt. 26 minutes ago		-	Calm (0 kph at 334).
Bend 40 km E 1102m alt. 29 minutes ago	3° C	Dry	Wind obs. (13 kph from 226 degs) was rejected.

* 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.