– Lat/Long: 44.10° N 121.77° W

South Sister Volcano Weather Forecast

Cascade Range · United States

Issued: 4 am Thu 22 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Thu 22 Oct 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 6°C on Sat afternoon, min -2°C on Thu night). Winds increasing (calm on Thu morning, strong winds from the N by Thu night).									Days 4–6 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 5°C on Sun morning, min -4°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, calm by Tue night).
	Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26			Tuesday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	cloudy	some clouds	clear	clear	clear	clear	some clouds	some clouds	cloudy	cloudy	some clouds	clear	some clouds	clear	cloudy	light snow	clear
Cloud base (m)	3400	2900	1800	1850			7000	6650	7050	6600	6550	6400		3850	2600	1900	1800	1800
km/h	NNW	NW	NNW	N	N	NNW	W	WSW	WSW	SW	SSW	SSW	SSW	SW	SW	WSW	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	3	0	0	3	3	5	6	4	5	5	4	3	4	-1	-4	-4	-3
min °C	4	2	-2	-1	2	1	3	5	4	4	5	2	2	2	-4	-4	-4	-3
chill °C	2	-4	-10	-9	-2	-4	2	2	0	0	1	-4	-4	-4	-12	-11	-11	-9

Freezing level m	3100	2850	1300	2300	3150	3300	3350	3300	3300	3100	3050	3100	2850	2750	2000	1950	1900	1700

	7:30	—	—	7:31	—	—	7:31	—	—	7:33	—	—	7:35	—	—	7:35	—	—
	—	6:12	—	—	6:09	—	—	6:08	—	—	6:07	—	—	6:06	—	—	6:04	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Mostly dry. Freeze-thaw conditions (max 6°C on Sat afternoon, min -2°C on Thu night). Winds increasing (calm on Thu morning, strong winds from the N by Thu night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 5°C on Sun morning, min -4°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, calm 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 2 hours ago	2°C	-	Calm (0 kph at 0).
Bend 34 km E 1147m alt. 1 hour ago	6°C	Dry	Calm (0 kph at 359).
Bend 34 km E 1164.6m alt. 54 minutes ago	9°C	Dry	Calm (0 kph at 148).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	3°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	2°C	-	Calm (0 kph at 180).
Bend 37 km SSE 1297m alt. 1 hour ago	1°C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 2 hours ago	7°C	Dry	Calm (0 kph at 315).
Camp Sherman 39 km NNE 920.5m alt. 43 minutes ago	-2°C	-	Calm (0 kph at 59).
Bend 40 km E 1102m alt. 2 hours ago	11°C	Dry	Calm (2 kph at 74).
Rainbow wx 41 km WSW 410m alt. 41 minutes ago	11°C	Dry	Wind obs. (11 kph from 228 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.