– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Mon 02 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 02 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 Wed afternoon. Temperatures will be below freezing (max 0°C on Mon morning, min -7°C on Wed morning). Winds increasing (calm on Mon afternoon, strong winds from the NNW by Wed night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Thu morning). Winds decreasing (near gales from the NW on Thu afternoon, moderate winds from the NNW by Fri afternoon).
	Monday 2			Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	some clouds	cloudy	light snow	light snow	light snow	light snow	some clouds	some clouds	light snow	cloudy	some clouds	some clouds	cloudy	cloudy	some clouds
km/h	NNE	N	SSW	SW	SW	WSW	W	WNW	NW	NNW	NNW	NW	NNW	NNW	NNW	NNW	NW	NW
See all weather maps
cm	—	—	—	—	—	4	4	5	4	—	—	3	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	0	0	0	0	-2	-6	-7	-5	-4	-4	-4	-2	-2	1	2	0	2
min °C	-2	0	-1	0	-2	-5	-7	-7	-7	-5	-5	-5	-2	-2	-2	1	0	0
chill °C	-5	-2	-7	-7	-10	-14	-17	-17	-17	-15	-16	-15	-9	-8	-9	-7	-8	-7

Freezing level m	2200	2500	2500	2550	2450	2000	1550	1350	1350	1300	1300	1250	1850	1950	2150	3150	2600	2600
Cloud base (m)	1800	1950	2150	2150	2350	1850	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800

	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—
	—	5:55	—	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Wed afternoon. Temperatures will be below freezing (max 0°C on Mon morning, min -7°C on Wed morning). Winds increasing (calm on Mon afternoon, strong winds from the NNW by Wed night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Thu morning). Winds decreasing (near gales from the NW on Thu afternoon, moderate winds from the NNW by Fri afternoon).

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. 1 hour ago	11° C	Dry	Calm (2 kph at 37).
Sunriver 34 km SE 1242m alt. 2 hours ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	9° C	Dry	Calm (0 kph at 63).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Dry and cloudy.	Wind obs. (7 kph from 1 degs) was rejected.	16 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 48 minutes ago	9° C	Dry	Calm (2 kph at 167).
Bend 37 km ESE 1158m alt. 1 hour ago	11° C	Dry	Calm (0 kph at 178).
Bend wx 39 km E 1118m alt. 35 minutes ago	11° C	Dry	Calm (3 kph at 326).
Camp Sherman 39 km NNE 920.5m alt. 3 hours ago	9° C	Dry	Calm (0 kph at 203).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	8° C	Dry	Calm (3 kph at 284).

* 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.