Vierwaldstättersee area 2026-May-20-Wed at 19:47:02Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2026-May-21-Thu				2026-May-22-Fri				2026-May-23-Sat				2026-May-24-Sun				2026-May-25-Mon				2026-May-26-Tue				2026-May-27-Wed
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 %		69	58	89		67	91	90		63	86	76		63	61	45		40	91	86		70	90	79		70	55	32
General wind kmh		NNE 4	NNE 5	NNE 6		NNE 4	N 5	N 6		N 5	N 6	NNE 9		NNE 6	NE 10	NE 14		N 4	N 5	N 7		NNE 4	N 6	N 8		N 4	NNW 8	WNW 5
Top wind kmh		ENE 4	NE 2	S 2		ESE 2	WSW 2	SW 3		ENE 3	NE 6	ENE 8		E 9	E 12	E 12		ENE 1	SSE 4	E 1		ESE 1	SSE 4	NE 2		SSW 2	WNW 6	WNW 6
Cloud cover %		5	90	36		4	5	2		43	8	3		5	11	6		93	2	40		0	9	48		2	77	100
Rain mm		0	0	0		0	0	0		0	0	0		0	0	0		0	0	0		0	0	1		0	2	4
Sea level Pressure hPa		1027	1025	1024		1026	1025	1024		1027	1025	1025		1027	1025	1024		1027	1025	1024		1026	1024	1023		1022	1020	1019
Isotherm 0°C m		3400	3600	3700		4000	4000	3900		3900	3900	3900		4000	4000	4000		4000	4100	4100		4400	4400	4300		4300	4200	4100
Storm risk		No or very low risk.				No or very low risk.				No or very low risk.				Middle risk.				Middle risk.				High risk.				Very high risk.

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