Vierwaldstättersee area 2021-Jun-20-Sun at 14:16:04Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Midday forecast with data 06Z.

Date		2021-Jun-21-Mon				2021-Jun-22-Tue				2021-Jun-23-Wed				2021-Jun-24-Thu				2021-Jun-25-Fri				2021-Jun-26-Sat				2021-Jun-27-Sun
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 %		70	65	39		53	29	10		46	56	34		46	34	12		12	15	33		40	40	33		37	38	25
General wind kmh		NNE 6	N 8	NNE 6		N 8	WNW 8	NNW 10		NNE 7	NNE 5	N 7		N 8	N 8	SSE 11		NW 11	NNW 8	N 3		NE 5	NNE 8	NE 7		NNW 3	NE 5	NNW 9
Top wind kmh		ESE 7	ENE 5	NNE 9		NE 5	WNW 7	NW 10		ENE 5	E 4	NE 3		NNE 6	NNE 6	S 10		WNW 15	NW 8	NNW 3		SE 9	ESE 6	E 8		SSE 9	SE 12	N 9
Cloud cover %		10	18	63		10	42	62		54	18	93		14	100	100		98	93	84		99	99	100		87	100	100
Rain mm		0	1	2		1	3	4		1	3	2		1	4	16		1	2	2		0	1	1		0	0	1
Sea level Pressure hPa		1008	1007	1006		1010	1010	1012		1015	1014	1013		1016	1015	1019		1017	1017	1016		1013	1012	1010		1014	1012	1012
Isotherm 0°C m		3800	3700	3700		3600	3500	3600		3500	3600	3700		3300	3400	3300		3100	3100	3000		3100	3300	3400		3900	3800	3800
Storm risk		Very high risk.				Very high risk.				Very high risk.				Very high risk.				Very high risk.				High risk.				Very high risk.

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