– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Wed 25 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 25 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 6°C on Fri afternoon, min -9°C on Wed night). Winds decreasing (gales from the WSW on Wed morning, calm by Thu afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 2°C on Sat morning, min -3°C on Mon night). Winds increasing (fresh winds from the WSW on Sat morning, gales from the SW by Mon morning).
	Wednesday 25			Thursday 26			Friday 27			Saturday 28			Sunday 29			Monday 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	light snow	snow shwrs	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	mod. snow
km/h	WSW	WSW	WNW	NW	WSW	SW	S	SW	WSW	WSW	W	WSW	WSW	WSW	SW	SW	SW	WSW
See all weather maps
cm	—	1	3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-3	-4	-8	-4	-1	0	4	6	4	2	2	-1	0	1	1	0	-1	-2
min °C	-3	-6	-9	-7	-2	-2	1	6	2	2	1	-1	-1	1	0	0	-1	-3
chill °C	-13	-17	-20	-14	-5	-4	-2	3	-4	-4	-7	-10	-9	-6	-8	-9	-9	-12

Freezing level m	1950	1600	450	1700	2400	2000	3350	3300	3200	2750	2700	2250	2550	2600	2650	2550	2350	1900
Cloud base (m)	1800	1800	1800		9300		6900	6300		5000	2750	2600	2350	2450	6300	2450	2050	1800

	7:01	—	—	6:58	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—
	—	7:24	—	—	7:25	—	—	7:27	—	—	7:28	—	—	7:30	—	—	7:30	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Fri afternoon, min -9°C on Wed night). Winds decreasing (gales from the WSW on Wed morning, calm by Thu afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 2°C on Sat morning, min -3°C on Mon night). Winds increasing (fresh winds from the WSW on Sat morning, gales from the SW by Mon 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 46 minutes ago	10° C	Dry	Calm (3 kph at 328).
Bend 34 km E 1164.6m alt. 35 minutes ago	12° C	Dry	Light winds from the NW (18 kph at 305).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the WSW (17 kph at 250).	16 km Low: few Mid: broken High: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	3° C	Dry	Wind obs. (8 kph from 314 degs) was rejected.
Bend 37 km SSE 1297m alt. 1 hour ago	10° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 44 minutes ago	13° C	Dry	Calm (3 kph at 289).
Bend wx 39 km E 1118m alt. 3 hours ago	9° C	Dry	Light winds from the SW (11 kph at 222).
Deschutes River Woods wx 40 km ESE 1185m alt. 2 hours ago	10° C	Dry	Light winds from the W (11 kph at 277).
Rainbow wx 41 km WSW 410m alt. 58 minutes ago	2° C	-	Light winds from the SSW (18 kph at 201).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	13° C	Dry	Calm (5 kph at 146).

* 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.