– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 3 am Thu 01 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 01 Jan 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 Fri night. Temperatures will be below freezing (max -2°C on Thu morning, min -8°C on Sat night). Winds increasing (fresh winds from the SSW on Fri morning, stormy winds from the SSW by Fri night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -7°C on Sun morning, min -13°C on Sun night). Winds decreasing (severe gales from the SW on Sun morning, moderate winds from the WSW by Mon night).
	Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	some clouds	cloudy	snow shwrs	snow shwrs	cloudy	light snow	light snow	light snow	snow shwrs	light snow	cloudy	clear	clear	cloudy	snow shwrs
km/h	SW	WSW	WSW	SW	SSW	SW	SSW	SSW	SW	SSW	SW	SW	WSW	WSW	SW	WSW	WSW	WSW
See all weather maps
cm	2	2	3	—	—	2	1	—	2	1	3	7	1	—	—	—	—	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-3	-4	-4	-2	-3	-6	-7	-8	-7	-8	-10	-12	-10	-8	-8	-8	-10
min °C	-2	-3	-5	-5	-4	-7	-7	-7	-8	-7	-8	-13	-13	-11	-9	-8	-8	-10
chill °C	-10	-12	-16	-14	-13	-18	-20	-20	-22	-20	-19	-28	-26	-22	-17	-17	-19	-23

Freezing level m	2600	2600	2300	2300	2450	2150	2100	2100	1850	2000	1900	1350	1350	1350	650	1700	1800	1400
Cloud base (m)	1800	1800	1800	1900	2000	2300	1850	1900	1800	1800	1800	1800	1850	1800	1800	2100	1800	1800

	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—	7:41	—	—
	—	4:38	—	—	4:39	—	—	4:40	—	—	4:42	—	—	4:43	—	—	4:44	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Thu morning, min -8°C on Sat night). Winds increasing (fresh winds from the SSW on Fri morning, stormy winds from the SSW by Fri night).

South Sister Volcano Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun night. Temperatures will be well below freezing (max -7°C on Sun morning, min -13°C on Sun night). Winds decreasing (severe gales from the SW on Sun morning, moderate winds from the WSW by Mon night).

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 969m alt. 51 minutes ago	-1° C	-	Calm (0 kph at 0).
Sisters wx 25 km NNE 1022m alt. 1 hour ago	-1° C	-	Calm (0 kph at —).
Sunriver 34 km SE 1242m alt. 51 minutes ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	0° C	-	Calm (0 kph at 356).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	1° C	Mist -.	Light winds from the S (9 kph at 170).	6 km Low: few Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	0° C	-	Calm (0 kph at 142).
Bend 37 km SSE 1297m alt. 1 hour ago	2° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	1° C	-	Calm (0 kph at 325).
Camp Sherman 39 km NNE 920.5m alt. 46 minutes ago	1° C	-	Calm (0 kph at 129).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	1° C	-	Calm (0 kph at 77).

* 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.