Vierwaldstättersee area 2025-Dec-16-Tue at 18:14:43Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2025-Dec-17-Wed				2025-Dec-18-Thu				2025-Dec-19-Fri				2025-Dec-20-Sat				2025-Dec-21-Sun				2025-Dec-22-Mon				2025-Dec-23-Tue
Winter (Summer) time		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)		10h (11h)	13h (14h)	16h (17h)
Flyable ? +/-		---	---	---		+++	---	---		+++	+++	+++		+++	+++	---		---	---	---		---	---	---		+++	---	---
ThQ %		31	34	34		44	20	26		52	55	51		49	54	33		28	27	26		27	22	25		44	32	32
General wind kmh		S 5	WNW 2	S 2		SSE 8	SSE 13	SSE 7		S 5	ESE 0	SE 3		SSE 6	NE 1	SE 2		SE 5	SE 4	SE 5		SE 7	SE 9	SE 7		SE 7	SE 3	NE 0
Top wind kmh		SSW 3	SW 1	SW 2		SSE 8	SSE 16	SSE 9		SSE 3	ENE 2	ESE 4		SSE 6	SSE 4	SE 4		SE 8	SSE 11	SSE 10		SE 9	SE 12	SE 10		SE 8	SE 9	SE 3
Cloud cover %		95	96	90		2	4	100		3	5	28		17	0	91		100	100	100		100	100	100		43	87	99
Rain mm		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0
Sea level Pressure hPa		1023	1022	1023		1027	1023	1023		1025	1024	1023		1018	1016	1015		1013	1011	1011		1012	1009	1007		1004	1001	1001
Isotherm 0°C m		1900	2000	2000		2200	2600	2600		2500	2300	2300		2600	2500	2300		2400	2400	2400		2300	2300	2600		2300	2400	2400
Storm risk		No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.				No or very low risk.

NB: not flyable --- if rainy, too cloudy, too windy and high risk of thunderstorm.