– Lat/Long: 38.67° N 122.63° W

Mount Saint Helena
Weather Forecast, United States
Issued: 3 pm Tue 17 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Tue 17 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Saint Helena Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Thu night, min -4°C on Tue afternoon). Winds decreasing (near gales from the WSW on Tue afternoon, calm by Thu night).											Days 5–7 Weather Summary A dusting of snow. Milder later with heavy rain (total 36mm) on Sun night. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Fri afternoon). Winds increasing (light winds from the SSE on Fri afternoon, stormy winds from the S by Sun morning).
	Tue 17		Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	some clouds	light snow	some clouds	mod. snow	heavy snow	snow shwrs	clear	cloudy	some clouds	some clouds	some clouds	cloudy	light snow	light rain	light rain	heavy rain
km/h	WSW	NW	WNW	WNW	SSW	ENE	NNW	NNE	SSE	SSE	S	SSE	SSE	SSE	S	S	SSW
See all weather maps
cm	3	—	1	—	6	12	1	—	—	—	—	—	—	1	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	4	1.3	2	24
max °C	-3	-4	-3	-3	-3	-4	-1	0	-2	-2	-2	0	0	5	6	6	6
min °C	-4	-4	-4	-3	-4	-4	-3	-2	-2	-2	-2	-1	0	1	5	6	5
chill °C	-14	-14	-12	-9	-11	-8	-12	-4	-6	-6	-8	-8	-8	-7	-3	-2	-2

Freezing level m	950	450	750	1000	750	600	900	0	950	1050	600	1150	1300	1650	2200	2350	2350
Cloud base (m)	400	350	400	600	1550	350	350	350	400	600	2100	650	550	550	400	500	350

	—	—	6:56	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:52	—	—
	5:50	—	—	5:51	—	—	5:52	—	—	5:53	—	—	5:54	—	—	5:55	—

Mount Saint Helena Weather (Days 0-3):

The weather forecast for Mount Saint Helena is: A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Thu night, min -4°C on Tue afternoon). Winds decreasing (near gales from the WSW on Tue afternoon, calm by Thu night).

Mount Saint Helena Weather (Days 3-6):

A dusting of snow. Milder later with heavy rain (total 36mm) on Sun night. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Fri afternoon). Winds increasing (light winds from the SSE on Fri afternoon, stormy winds from the S by Sun morning).

This table gives the weather forecast for Mount Saint Helena at the specific elevation of 1323 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Saint Helena. 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 California.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Santa Rosa Airport 25 km SSW 219m alt. 2 hours ago	5° C	Dry and partly cloudy.	Light winds from the N (11 kph at 10).	16 km Low: few Mid: scattered
Santa Rosa 30 km S 40m alt. 1 hour ago	7° C	Dry	Calm (0 kph at 235).
Cloverdale 34 km W 106m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 231).
Graton 35 km SSW 87m alt. 1 hour ago	4° C	Dry	Calm (2 kph at 37).
Alten wx 36 km S 69m alt. 26 minutes ago	5° C	Dry	Calm (0 kph at 114).
Sebastopol 36 km SSW 129m alt. 1 hour ago	2° C	-	Calm (0 kph at 186).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 225).
Camp Meeker wx 37 km SSW 61m alt. 1 hour ago	4° C	Dry	Calm (0 kph at 286).
Knowles Corner wx 37 km S 88m alt. 34 minutes ago	4° C	Dry	Calm (0 kph at —).
Camp Meeker wx 39 km SSW 61m alt. 2 hours ago	4° C	Dry	Calm (0 kph at 8).

* 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.