– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 9 am Wed 04 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Wed 04 Feb Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Wed morning, min 0°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the WSW by Fri night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sat morning, min -10°C on Mon night). Winds decreasing (near gales from the WSW on Sun morning, light winds from the W by Mon night).
	Wednesday 4			Thursday 5			Friday 6			Saturday 7			Sunday 8			Monday 9
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	light snow	light snow	mod. snow	heavy snow	cloudy	mod. snow	light snow
km/h	S	SSW	SE	SE	SSW	SW	W	W	SW	WSW	WSW	WSW	WSW	W	W	W	W	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	2	4	7	12	—	6	2
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	8	8	6	7	6	4	4	2	1	2	1	1	0	-2	-5	-8	-8	-9
min °C	7	6	5	7	4	2	4	1	0	2	1	0	-1	-4	-8	-8	-9	-10
chill °C	4	5	0	2	2	0	3	-3	-6	-4	-6	-8	-9	-13	-18	-18	-18	-18

Freezing level m	3850	4050	4050	3850	3500	3350	3000	2850	2550	2750	2750	2650	2600	2100	1400	1250	1400	650
Cloud base (m)	8850	9550					9200		8650	2950	2400	1800	1800	1800	1800	1800	1800	1800

	7:20	—	—	7:18	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—
	—	5:21	—	—	5:22	—	—	5:23	—	—	5:24	—	—	5:27	—	—	5:28	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 8°C on Wed morning, min 0°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the WSW by Fri night).

South Sister Volcano Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sat morning, min -10°C on Mon night). Winds decreasing (near gales from the WSW on Sun morning, light winds from the W by Mon 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. 1 hour ago	13° C	Dry	Calm (2 kph at 53).
Sunriver 34 km SE 1242m alt. 1 hour ago		Dry
Bend 34 km E 1164.6m alt. 31 minutes ago	19° C	Dry	Light winds from the SSE (6 kph at 166).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	11° C	Clear	Wind obs. (13 kph from 160 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	14° C	Dry	Calm (0 kph at 280).
Bend 37 km SSE 1297m alt. 2 hours ago	16° C	Dry	Calm (3 kph at 173).
Bend 37 km ESE 1158m alt. 1 hour ago	18° C	Dry	Calm (0 kph at 123).
Camp Sherman 39 km NNE 920.5m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 349).
Deschutes River Woods wx 40 km ESE 1185m alt. 38 minutes ago	17° C	Dry	Calm (2 kph at 144).
Bend 40 km E 1102m alt. 1 hour ago		-	Wind obs. (13 kph from 35 degs) was rejected.

* 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.