– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 pm Fri 19 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 19 Dec Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Sat night, min -10°C on Fri night). Winds increasing (fresh winds from the SW on Sat night, gales from the WSW by Sun night).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -5°C on Wed night, min -9°C on Mon afternoon). Winds increasing (calm on Wed afternoon, gales from the SSE by Thu morning).
	Fri 19		Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	some clouds	cloudy	mod. snow	light snow	cloudy	heavy snow	light snow	snow shwrs	some clouds	cloudy	cloudy	mod. snow	cloudy	light snow	snow shwrs
km/h	W	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	SW	SSW	SSE	S	S	SW
See all weather maps
cm	2	4	—	—	8	3	—	11	1	2	—	—	—	7	—	5	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-9	-8	-6	-6	-4	-4	-6	-8	-8	-9	-8	-6	-6	-6	-6	-6	-5
min°C	-9	-10	-7	-6	-5	-4	-8	-9	-9	-9	-9	-7	-6	-6	-6	-8	-8
chill°C	-21	-22	-17	-16	-14	-13	-20	-21	-21	-21	-20	-16	-14	-12	-14	-16	-18

Freezing level (m)	1050	950	1050	1100	1200	1700	1450	1300	1250	1250	750	1400	1400	1300	1400	1400	800
Cloud base (m)	1800	1800	1800	1800	1950	1800	1800	1800	1800	1800	1900	1800	1900	1800	1800	1800	1800

	—	—	7:37	—	—	7:39	—	—	7:39	—	—	7:39	—	—	7:39	—	—
	4:30	—	—	4:30	—	—	4:30	—	—	4:31	—	—	4:31	—	—	4:32	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -4°C on Sat night, min -10°C on Fri night). Winds increasing (fresh winds from the SW on Sat night, gales from the WSW by Sun night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -5°C on Wed night, min -9°C on Mon afternoon). Winds increasing (calm on Wed afternoon, gales from the SSE by Thu morning).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m 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. 53 minutes ago	1° C	-	Light winds from the SW (8 kph at 227).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	-3° C	-	Calm (0 kph at 260).
Bend 37 km SSE 1297m alt. 57 minutes ago	-2° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (2 kph at 228).
Camp Sherman 39 km NNE 920.5m alt. 2 hours ago	0° C	-	Calm (0 kph at 121).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	0° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 2 hours ago	-6° C	-	Calm (0 kph at 166).

* 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.