– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 pm Thu 26 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Thu 26 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Freeze-thaw conditions (max 2°C on Fri morning, min -6°C on Thu afternoon). Winds increasing (light winds from the WSW on Thu afternoon, stormy winds from the WSW by Sat night).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Sun afternoon, min -11°C on Wed morning). Winds decreasing (severe gales from the WSW on Sun afternoon, strong winds from the WSW by Tue morning).
	Thu 26		Friday 27			Saturday 28			Sunday 29			Monday 30			Tuesday 31
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	light snow	light snow	some clouds	light snow	light snow	light snow
km/h	WSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	WSW	WSW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	4	4	—	1	2	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-5	0	2	2	1	-1	-3	-4	-5	-4	-4	-5	-6	-7	-7	-7	-7
min °C	-6	-3	1	1	0	-2	-4	-5	-5	-5	-5	-6	-7	-8	-7	-7	-7
chill °C	-11	-7	-4	-5	-8	-12	-16	-17	-17	-16	-17	-17	-18	-18	-17	-18	-18

Freezing level m	2450	2000	3400	3300	3250	2800	2650	2300	2500	2550	2100	1900	1700	1350	1950	2150	2000
Cloud base (m)	9100		6900	9050		6200	3300	3000	2950	2500	2050	1800	1800	1800	1800	1800	1950

	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:50	—	—
	7:25	—	—	7:27	—	—	7:28	—	—	7:30	—	—	7:30	—	—	7:31	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 2°C on Fri morning, min -6°C on Thu afternoon). Winds increasing (light winds from the WSW on Thu afternoon, stormy winds from the WSW by Sat night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max -4°C on Sun afternoon, min -11°C on Wed morning). Winds decreasing (severe gales from the WSW on Sun afternoon, strong winds from the WSW by Tue morning).

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. 2 hours ago	10° C	Dry	Calm (2 kph at 350).
Bend 34 km E 1164.6m alt. 57 minutes ago	13° C	Dry	Calm (5 kph at 32).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	10° C	Clear	Light winds from the NNW (15 kph at 340).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 54 minutes ago	6° C	Dry	Calm (3 kph at 236).
Bend 37 km SSE 1297m alt. 1 hour ago	11° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	12° C	Dry	Calm (3 kph at 320).
Deschutes River Woods wx 40 km ESE 1185m alt. 56 minutes ago	11° C	Dry	Calm (3 kph at 344).
Rainbow wx 41 km WSW 410m alt. 45 minutes ago	9° C	Dry	Wind obs. (8 kph from 29 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 1 hour ago	12° C	Dry	Calm (2 kph at 90).
La Pine 43 km SSE 1298m alt. 1 hour ago	13° C	Dry	Calm (5 kph at 12).

* 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.