– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Mon 26 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Mon 26 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 Wed night. Temperatures will be below freezing (max -3°C on Tue morning, min -10°C on Tue night). Winds increasing (light winds from the SW on Mon night, gales from the WSW by Tue night).									Days 4–6 Weather Summary Mostly dry. Temperatures will be below freezing (max -1°C on Sat morning, min -5°C on Thu morning). Winds increasing (moderate winds from the WSW on Thu night, gales from the WSW by Fri morning).
	Monday 26			Tuesday 27			Wednesday 28			Thursday 29			Friday 30			Saturday 31
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	some clouds	some clouds	some clouds	snow shwrs	some clouds	some clouds	mod. snow	cloudy	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds
km/h	WSW	WSW	SW	SSW	SSW	WSW	W	WSW	WSW	W	W	W	WSW	WSW	WSW	SW	SW	SW
See all weather maps
cm	—	—	—	—	—	3	—	—	7	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-8	-7	-4	-3	-4	-9	-8	-7	-5	-4	-3	-2	-3	-3	-2	-1	-2	-2
min °C	-8	-8	-6	-3	-8	-10	-9	-8	-8	-5	-4	-3	-4	-4	-3	-1	-2	-4
chill °C	-19	-19	-14	-10	-18	-23	-20	-19	-17	-15	-13	-10	-14	-14	-11	-8	-10	-12

Freezing level m	2100	2100	1750	2350	2350	1650	1700	1900	1650	2050	2350	2700	2700	2600	2450	2950	2850	2450
Cloud base (m)		2950	6400	5950	6550	2100	1800	2000	1800	1800	1900	2350	4350	5450	3100	5500	6100	5900

	7:30	—	—	7:28	—	—	7:28	—	—	7:26	—	—	7:26	—	—	7:24	—	—
	—	5:08	—	—	5:09	—	—	5:10	—	—	5:13	—	—	5:14	—	—	5:15	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -3°C on Tue morning, min -10°C on Tue night). Winds increasing (light winds from the SW on Mon night, gales from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Temperatures will be below freezing (max -1°C on Sat morning, min -5°C on Thu morning). Winds increasing (moderate winds from the WSW on Thu night, gales from the WSW by Fri 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. 1 hour ago	4° C	Dry	Calm (0 kph at 128).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 2 hours ago	8° C	Dry	Light winds from the SSW (8 kph at 204).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	7° C	Clear	Moderate winds from the S (20 kph at 190).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 2 hours ago	6° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 39 minutes ago	9° C	Dry	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 187).
Camp Sherman 39 km NNE 920.5m alt. 56 minutes ago	6° C	Dry	Calm (0 kph at 113).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	5° C	Dry	Calm (2 kph at 260).
Bend 40 km E 1102m alt. 48 minutes ago		-	Light winds from the WSW (13 kph at 253).

* 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.