– Lat/Long: 44.10° N 121.77° W

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

Issued: 3 am Fri 19 Dec 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 Fri morning. Temperatures will be below freezing (max -5°C on Sat night, min -10°C on Fri morning). Winds decreasing (gales from the W on Fri morning, strong winds from the WSW by Sat morning).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -2°C on Tue night, min -9°C on Mon afternoon). Winds increasing (fresh winds from the SW on Tue morning, severe gales from the S by Tue night).
	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy snow	light snow	snow shwrs	clear	some clouds	light snow	light snow	mod. snow	snow shwrs	light snow	light snow	some clouds	cloudy	light snow	light snow	mod. snow	clear	light snow
km/h	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	WSW	SW	S	S	SSW	SW	SSE
See all weather maps
cm	11	2	3	—	—	4	4	6	11	1	2	—	—	3	3	8	—	1
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-8	-10	-7	-6	-6	-5	-5	-6	-8	-7	-8	-9	-5	-4	-2	-4	-7	-5
min°C	-10	-10	-10	-6	-6	-5	-6	-7	-9	-8	-9	-9	-6	-5	-4	-8	-8	-5
chill°C	-24	-22	-21	-15	-16	-15	-18	-18	-20	-19	-21	-20	-14	-14	-15	-21	-20	-14

Freezing level (m)	1250	1000	900	1050	1100	1250	1650	1550	1100	1300	1300	950	1350	1350	1900	1800	1250	1350
Cloud base (m)	1850	1800	1800	1800	1850	1900	1800	1800	1800	1800	1800	1800	1850	1800	1800	1850	1850	1800

	7:37	—	—	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 Fri morning. Temperatures will be below freezing (max -5°C on Sat night, min -10°C on Fri morning). Winds decreasing (gales from the W on Fri morning, strong winds from the WSW by Sat morning).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -2°C on Tue night, min -9°C on Mon afternoon). Winds increasing (fresh winds from the SW on Tue morning, severe gales from the S by Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 43 minutes ago	1° C	-	Calm (2 kph at 285).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 3 hours ago	3° C	Dry	Calm (3 kph at 37).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	2° C	Light rain .	Light winds from the S (13 kph at 190).	5 km Low: broken Mid: broken
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-2° C	-	Calm (0 kph at 271).
Bend 37 km SSE 1297m alt. 48 minutes ago	1° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 43).
Camp Sherman 39 km NNE 920.5m alt. 31 minutes ago	2° C	-	Calm (0 kph at 8).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	2° C	-	Calm (0 kph at —).
Bend 40 km E 1102m alt. 1 hour ago	-1° C	-	Light winds from the WSW (16 kph at 243).

* 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.