– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Sun 01 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 01 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -11°C on Tue night). Winds increasing (calm on Sun morning, near gales from the WSW by Tue night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 1°C on Fri night, min -11°C on Wed afternoon). Winds decreasing (severe gales from the NW on Wed night, fresh winds from the N by Fri night).
	Sunday 1			Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	mod. snow	snow shwrs	clear	clear	clear	cloudy	cloudy	mod. snow	mod. snow	light snow	snow shwrs	cloudy	some clouds	some clouds	clear	some clouds	clear
km/h	WSW	ENE	NE	N	NNE	S	SW	SW	WSW	W	WNW	NW	NW	NW	N	N	N	N
See all weather maps
cm	1	6	2	—	—	—	—	—	10	6	4	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	-5	-6	-4	-2	-2	-4	-7	-7	-10	-11	-8	-8	-8	-8	-5	-3	1
min °C	-5	-5	-6	-5	-4	-3	-6	-7	-11	-10	-11	-11	-9	-8	-10	-5	-4	-2
chill °C	-8	-9	-12	-11	-10	-11	-16	-17	-24	-22	-24	-24	-21	-21	-23	-15	-13	-10

Freezing level m	2500	2400	2200	2250	2500	2150	2400	2200	1850	1600	1500	1100	1150	1350	1050	1800	2300	1550
Cloud base (m)	3000	2050	1800	1800	1950	8450	1900	2200	1800	1800	1800	1800	1800	1800	1800	1800	1950	1800

	6:43	—	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—
	—	5:54	—	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -11°C on Tue night). Winds increasing (calm on Sun morning, near gales from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 1°C on Fri night, min -11°C on Wed afternoon). Winds decreasing (severe gales from the NW on Wed night, fresh winds from the N by Fri 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 1022m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 34).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Dry and cloudy.	Light winds from the SSW (11 kph at 200).	13 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 43 minutes ago	19° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 313).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	-1° C	-	Calm (0 kph at 205).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 284).
Bend 40 km E 1102m alt. 2 hours ago	7° C	Dry	Wind obs. (13 kph from 21 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.