Vierwaldstättersee area 2021-Sep-23-Thu at 20:09:27Z. custom forecast (GFS 0.5°) by soaringmeteo.ch, © 2016. Evening forecast with data 12Z.

Date		2021-Sep-24-Fri				2021-Sep-25-Sat				2021-Sep-26-Sun				2021-Sep-27-Mon				2021-Sep-28-Tue				2021-Sep-29-Wed				2021-Sep-30-Thu
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 %		57	72	59		33	33	47		35	29	13		32	35	34		33	33	33		19	18	27		17	37	55
General wind kmh		NNW 2	NW 2	NNW 4		SW 1	NNW 3	NNE 7		ENE 1	NNW 9	NW 12		WNW 5	WNW 6	NW 6		N 2	NW 6	NNE 5		NE 4	N 4	N 7		NNE 5	N 4	NE 5
Top wind kmh		WNW 1	WSW 5	WSW 3		SE 4	ESE 5	ESE 6		SSE 6	NW 6	NW 15		W 4	W 12	WNW 8		E 5	SE 1	E 3		N 4	NW 6	NNW 8		NE 4	ESE 4	ESE 4
Cloud cover %		1	0	0		100	100	40		93	100	100		100	99	86		99	100	100		100	100	100		87	83	46
Rain mm		0	0	0		0	0	0		0	1	5		0	0	1		0	0	0		2	4	1		0	0	0
Sea level Pressure hPa		1020	1017	1016		1017	1015	1014		1017	1016	1016		1021	1020	1021		1023	1021	1021		1024	1024	1024		1029	1027	1025
Isotherm 0°C m		4100	4100	4100		3900	4000	4000		3700	3700	3600		3200	3200	3300		4000	3900	3500		3000	2900	2800		2200	2900	3300
Storm risk		No or very low risk.				No or very low risk.				High risk.				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.