– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 4 am Sun 22 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sun 22 Mar 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 Tue night. Temperatures will be below freezing (max 0°C on Sun night, min -8°C on Tue night). Winds increasing (light winds from the SW on Sun afternoon, extremely windy from the WSW by Tue night).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 4°C on Fri afternoon, min -15°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Wed morning, calm by Thu night).
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	light snow	mod. snow	snow shwrs	snow shwrs	snow shwrs	clear	clear	some clouds	cloudy	some clouds	some clouds
km/h	WNW	SW	WSW	WSW	SW	WSW	SW	WSW	WSW	WSW	W	W	NNW	NNW	SSW	SSW	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	2	8	4	2	1	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	0	-1	-1	0	0	-1	-2	-10	-14	-10	-7	-5	1	3	4	3
min °C	-2	-1	-2	-2	-1	-2	-1	-2	-8	-12	-15	-13	-8	-6	-3	2	4	2
chill °C	-8	-4	-9	-9	-8	-11	-12	-13	-23	-26	-28	-25	-18	-12	-3	-3	0	-4

Freezing level m	2950	3050	2900	2950	2950	3000	2850	2650	1900	1150	1250	350	1600	2450	1450	3550	3650	3500
Cloud base (m)	7050	6300	5000	5800	6000	3000	2400	1900	1800	1800	1850	1800			8500	6850	8250	6200

	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—	6:58	—	—
	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—	—	7:27	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max 0°C on Sun night, min -8°C on Tue night). Winds increasing (light winds from the SW on Sun afternoon, extremely windy from the WSW by Tue night).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 4°C on Fri afternoon, min -15°C on Wed afternoon). Winds decreasing (extremely windy from the WSW on Wed morning, calm by Thu 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 126).
Bend 34 km E 1164.6m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 250).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	-2° C	Clear	Light winds from the S (11 kph at 170).	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 57 minutes ago	3° C	Dry	Calm (3 kph at 122).
Bend 37 km SSE 1297m alt. 59 minutes ago	2° C	-	Calm (2 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 293).
Bend wx 39 km E 1118m alt. 3 hours ago	1° C	-	Calm (5 kph at 250).
Deschutes River Woods wx 40 km ESE 1185m alt. 1 hour ago	4° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 2 hours ago	4° C	Dry	Wind obs. (11 kph from 71 degs) was rejected.
Cloverdale wx 42 km NE 947m alt. 2 hours ago	3° C	Dry	Calm (0 kph at 51).

* 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.