Sinai, SD Current Weather Conditions

Current weather observations and 72-hour history for Sinai, SD. • View 5-Day Forecast ›

▼Current Conditions — Sinai, SD

MADISON (KMDS)

Clear

55.4 F

Humidity:	100%
Wind Speed:	3.4 mph
Barometer:	30.14 in
Dewpoint:	55.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Jul 22 2026, 05:15 AM CDT

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▼Hourly Observation History — Sinai, SD

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
05:15 AM CDT	3.4	10.00	Clear	--	55.4	55.4	100%	NA	NA	30.14	1020.7
04:55 AM CDT	0.0	10.00	Clear	--	57.2	57.2	100%	NA	NA	30.14	1020.7
04:35 AM CDT	0.0	10.00	Clear	--	NULL		%	NA	NA	30.14	1020.7
04:15 AM CDT	NE 5.8	10.00	Clear	--	NULL		%	NA	NA	30.13	1020.3
03:55 AM CDT	3.4	10.00	Clear	--	57.2	57.2	100%	NA	NA	30.13	1020.3
03:35 AM CDT	0.0	10.00	Clear	--	57.2	57.2	100%	NA	NA	30.13	1020.3
03:15 AM CDT	3.4	10.00	Clear	--	59.0	59.0	100%	NA	NA	30.14	1020.7
02:55 AM CDT	0.0	10.00	Clear	--	NULL		%	NA	NA	30.14	1020.7
02:35 AM CDT	0.0	10.00	Clear	--	NULL		%	NA	NA	30.14	1020.7
02:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:55 AM CDT	5.8	10.00	Clear	--	59.0	59.0	100%	NA	NA	30.14	1020.7
01:35 AM CDT	4.7	10.00	Clear	--	60.8	60.8	100%	NA	NA	30.13	1020.3
01:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 AM CDT	5.8	10.00	Clear	--	60.8		%	NA	NA	30.13	1020.3
12:35 AM CDT	0.0	10.00	Clear	--	59.0	59.0	100%	NA	NA	30.12	1020.0
12:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:55 PM CDT	4.7	10.00	Clear	--	59.0	59.0	100%	NA	NA	30.12	1020.0
11:35 PM CDT	NW 4.7	10.00	Clear	--	60.8	60.8	100%	NA	NA	30.12	1020.0
11:15 PM CDT	NW 4.7	10.00	Mostly Clear	--	60.8	59.0	94%	NA	NA	30.12	1020.0
10:55 PM CDT	NW 5.8	10.00	Mostly Clear	--	59.0	59.0	100%	NA	NA	30.12	1020.0
10:35 PM CDT	NW 3.4	10.00	Mostly Clear	--	60.8	57.2	88%	NA	NA	30.12	1019.7
10:15 PM CDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
09:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
09:35 PM CDT	8.1	10.00	Clear	--	64.4	55.4	73%	NA	NA	30.10	1019.3
09:15 PM CDT	8.1	10.00	Clear	--	66.2	57.2	73%	NA	NA	30.09	1019.0
08:55 PM CDT	8.1	10.00	Clear	--	66.2	57.2	73%	NA	NA	30.09	1019.0
08:35 PM CDT	6.9	10.00	Clear	--	68.0	57.2	68%	NA	NA	30.09	1019.0
08:15 PM CDT	6.9	10.00	Clear	--	69.8	57.2	64%	NA	NA	30.08	1018.6
07:55 PM CDT	6.9	10.00	Mostly Clear	--	71.6	55.4	57%	NA	71.1	30.09	1019.0
07:35 PM CDT	9.2	10.00	Mostly Clear	--	73.4	55.4	53%	NA	72.9	30.09	1019.0
07:15 PM CDT	13.9	10.00	Clear	--	73.4	53.6	50%	NA	72.9	30.08	1018.6
06:55 PM CDT	10.3 G 18.3	10.00	Mostly Clear	--	73.4	53.6	50%	NA	72.9	30.09	1019.0
06:35 PM CDT	13.9 G 19.7	10.00	Partly Cloudy	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
06:15 PM CDT	13.9 G 20.8	10.00	Partly Cloudy	--	75.2	53.6	47%	NA	74.7	30.10	1019.3
05:55 PM CDT	12.8	10.00	Partly Cloudy	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
05:35 PM CDT	13.9	10.00	Mostly Cloudy	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
05:15 PM CDT	16.1 G 21.9	10.00	Partly Cloudy	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
04:55 PM CDT	13.9 G 20.8	10.00	Mostly Clear	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
04:35 PM CDT	13.9 G 20.8	10.00	Partly Cloudy	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
04:15 PM CDT	17.2	10.00	Partly Cloudy	--	75.2	55.4	50%	NA	74.8	30.09	1019.0
03:55 PM CDT	16.1	10.00	Mostly Clear	--	77.0	55.4	47%	NA	76.6	30.09	1019.0
03:35 PM CDT	13.9 G 23.0	10.00	Clear	--	75.2	55.4	50%	NA	74.8	30.09	1019.0
03:15 PM CDT	17.2	10.00	Clear	--	75.2	55.4	50%	NA	74.8	30.09	1019.0
02:55 PM CDT	18.3	10.00	Clear	--	75.2	53.6	47%	NA	74.7	30.09	1019.0
02:35 PM CDT	16.1 G 21.9	10.00	Mostly Clear	--	75.2	57.2	54%	NA	75.0	30.08	1018.6
02:15 PM CDT	15.0 G 21.9	10.00	Mostly Clear	--	75.2	55.4	50%	NA	74.8	30.10	1019.3
01:55 PM CDT	18.3	10.00	Clear	--	75.2	55.4	50%	NA	74.8	30.10	1019.3
01:35 PM CDT	17.2 G 24.2	10.00	Mostly Clear	--	73.4	55.4	53%	NA	72.9	30.10	1019.3
01:15 PM CDT	17.2	10.00	Mostly Cloudy	--	73.4	57.2	57%	NA	73.0	30.12	1019.7
12:55 PM CDT	16.1 G 23.0	10.00	Mostly Clear	--	73.4	57.2	57%	NA	73.0	30.12	1019.7
12:35 PM CDT	16.1	10.00	Mostly Cloudy	--	73.4	57.2	57%	NA	73.0	30.12	1019.7
12:15 PM CDT	15.0	10.00	Partly Cloudy	--	71.6	57.2	60%	NA	71.2	30.10	1019.3
11:55 AM CDT	15.0 G 23.0	10.00	Mostly Clear	--	71.6	55.4	57%	NA	71.1	30.12	1019.7
11:35 AM CDT	16.1	10.00	Partly Cloudy	--	71.6	57.2	60%	NA	71.2	30.12	1019.7
11:15 AM CDT	15.0	10.00	Clear	--	71.6	57.2	60%	NA	71.2	30.10	1019.3
10:55 AM CDT	15.0 G 21.9	10.00	Clear	--	71.6	57.2	60%	NA	71.2	30.10	1019.3
10:35 AM CDT	G 23.0	10.00	Mostly Clear	--	71.6	59.0	65%	NA	71.4	30.09	1019.0
10:15 AM CDT	17.2	10.00	Mostly Clear	--	69.8	57.2	64%	NA	NA	30.09	1019.0
09:55 AM CDT	13.9	10.00	Mostly Cloudy	--	68.0	59.0	73%	NA	NA	30.08	1018.6
09:35 AM CDT	11.4	10.00	Mostly Cloudy	--	66.2	62.6	88%	NA	NA	30.08	1018.6
09:15 AM CDT	9.2	10.00	Cloudy	--	66.2	62.6	88%	NA	NA	30.07	1018.3
08:55 AM CDT	12.8	10.00	Cloudy	--	66.2	62.6	88%	NA	NA	30.07	1018.3
08:35 AM CDT	10.3 G 16.1	10.00	Cloudy	--	66.2	62.6	88%	NA	NA	30.06	1018.0
08:15 AM CDT	11.4 G 19.7	10.00	Mostly Cloudy	--	66.2	62.6	88%	NA	NA	30.05	1017.6
07:55 AM CDT	12.8	10.00	Clear	--	66.2		%	NA	NA	30.04	1017.3
07:35 AM CDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
07:15 AM CDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
06:55 AM CDT	NW 6.9	10.00	Mostly Clear	--	62.6	62.6	100%	NA	NA	30.01	1016.3
06:35 AM CDT	W 6.9	10.00	Clear	--	60.8	60.8	100%	NA	NA	30.00	1015.9
06:15 AM CDT	6.9	10.00	NULL	--	60.8	60.8	100%	NA	NA	29.99	1015.6
10:55 PM CDT	9.2	10.00	Clear	--	69.8	62.6	78%	NA	NA	29.89	1012.2
10:35 PM CDT	NW 6.9	10.00	Clear	--	71.6	64.4	78%	NA	72.1	29.89	1012.2