– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 03 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Tue morning, min -8°C on Wed morning). Winds increasing (fresh winds from the SW on Tue morning, gales from the NW by Thu afternoon).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -4°C on Fri morning). Winds increasing (light winds from the NNW on Fri night, strong winds from the WNW by Sun night).
	Tuesday 3			Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	cloudy	mod. snow	mod. snow	light snow	mod. snow	snow shwrs	snow shwrs	light snow	some clouds	some clouds	cloudy	some clouds	some clouds	clear	some clouds	clear	rain shwrs
km/h	SW	WSW	WSW	W	W	WNW	NW	NW	NNW	N	N	NW	N	N	NNW	NW	WNW	WNW
See all weather maps
cm	—	—	7	8	5	7	1	2	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0.2
max °C	1	0	-2	-7	-7	-7	-7	-6	-6	-3	-2	1	3	4	3	5	4	2
min °C	1	-1	-5	-8	-8	-8	-7	-6	-6	-4	-2	-2	2	3	3	4	3	2
chill °C	-5	-8	-14	-20	-19	-19	-18	-17	-17	-12	-8	-7	-5	-2	-2	-1	-3	-4

Freezing level m	2650	2550	2050	1450	1300	1250	1100	1250	1150	1550	1950	1650	3250	3600	3550	3650	3400	3200
Cloud base (m)	2350	2300	1800	1800	1800	1800	1800	1800	1800	1800	1800	1800	1850	1800	6550	1800	1850	1800

	6:39	—	—	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	7:31	—	—
	—	5:58	—	—	5:59	—	—	6:00	—	—	6:01	—	—	6:02	—	—	7:04	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Tue morning, min -8°C on Wed morning). Winds increasing (fresh winds from the SW on Tue morning, gales from the NW by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -4°C on Fri morning). Winds increasing (light winds from the NNW on Fri night, strong winds from the WNW by Sun night).

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. 33 minutes ago	2° C	-	Calm (0 kph at 0).
Sunriver 34 km SE 1242m alt. 53 minutes ago		Dry
Bend 34 km E 1164.6m alt. 59 minutes ago	6° C	Dry	Wind obs. (11 kph from 238 degs) was rejected.
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-2° C	Mist -.	Light winds from the SSW (9 kph at 210).	6 km Low: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 32 minutes ago	4° 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. 43 minutes ago	4° C	Dry	Calm (2 kph at 175).
Bend wx 39 km E 1118m alt. 2 hours ago	2° C	-	Light winds from the SSW (8 kph at 210).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	0° C	-	Calm (0 kph at 204).
Deschutes River Woods wx 40 km ESE 1185m alt. 31 minutes ago	4° C	Dry	Calm (5 kph at 259).

* 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.