Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for January 20, 2024

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	5 -15	-4 -20	65 65	WNW 10 17	30.61 1036	10 16
12:35 am 00:35	Clear	5 -15	-4 -20	65 65	WNW 12 19	30.61 1036	10 16
12:55 am 00:55	Clear	5 -15.2	-4 -20	67 67	WNW 10 17	30.61 1036	10 16
1:15 am 01:15	Clear	5 -15.2	-4 -20.1	66 66	WNW 10 17	30.61 1036	10 16
1:35 am 01:35	Clear	4 -15.3	-4 -20.1	67 67	W 12 19	30.62 1037	10 16
1:55 am 01:55	Clear	4 -15.5	-4 -20.1	68 68	W 10 17	30.62 1037	10 16
2:15 am 02:15	Clear	4 -15.6	-4 -20.1	68 68	W 8 13	30.62 1037	10 16
2:35 am 02:35	Clear	3 -16	-4 -20.2	70 70	WNW 9 15	30.63 1037	10 16
2:55 am 02:55	Clear	3 -16	-5 -20.3	69 69	WNW 8 13	30.62 1037	10 16
3:15 am 03:15	Clear	3 -16	-5 -20.3	69 69	W 9 15	30.62 1037	10 16
3:35 am 03:35	Clear	3 -16.1	-5 -20.3	70 70	WNW 8 13	30.62 1037	10 16
3:55 am 03:55	Clear	3 -16.3	-5 -20.5	70 70	WNW 10 17	30.63 1037	10 16
4:15 am 04:15	Clear	3 -16.3	-5 -20.5	70 70	WNW 10 17	30.63 1037	10 16
4:35 am 04:35	Clear	2 -16.5	-5 -20.6	70 70	W 8 13	30.64 1038	10 16
4:55 am 04:55	Clear	2 -16.6	-5 -20.5	72 72	W 10 17	30.64 1038	10 16
5:15 am 05:15	Clear	2 -16.7	-5 -20.6	72 72	WNW 9 15	30.64 1038	10 16
5:35 am 05:35	Clear	2 -16.8	-5 -20.7	72 72	W 10 17	30.66 1038	10 16
5:55 am 05:55	Clear	2 -16.9	-5 -20.7	72 72	WNW 12 19	30.66 1038	10 16
6:15 am 06:15	Clear	1 -17	-5 -20.7	73 73	WNW 9 15	30.67 1039	10 16
6:35 am 06:35	Clear	1 -17.1	-5 -20.7	73 73	WNW 9 15	30.68 1039	10 16
6:50 am 06:50	Clear	1 -17	-6 -21	71 71	WNW 10 17	30.68 1039	10 16
7:50 am 07:50	Sunny	1 -17	-6 -21	71 71	WNW 10 17	30.70 1040	10 16
8:50 am 08:50	Sunny	3 -16	-6 -21	65 65	NW 13 20	30.73 1041	10 16
9:50 am 09:50	Sunny	7 -14	-2 -19	66 66	WNW 8 13	30.74 1041	10 16
10:50 am 10:50	Sunny	9 -13	-2 -19	61 61	WNW 10 17	30.73 1041	10 16
11:50 am 11:50	Sunny	12 -11	0 -18	56 56	NW 10 17	30.73 1041	10 16
12:50 pm 12:50	Sunny	14 -10	1 -17	56 56	WNW 8 13	30.70 1040	10 16
1:50 pm 13:50	Sunny	18 -8	5 -15	57 57	NNW 9 15	30.69 1039	10 16
2:50 pm 14:50	Sunny	18 -8	3 -16	52 52	NW 9 15	30.70 1040	10 16
3:50 pm 15:50	Sunny	18 -8	3 -16	52 52	NNW 9 15	30.70 1040	10 16
4:50 pm 16:50	Sunny	16 -9	1 -17	52 52	NNE 8 13	30.70 1040	10 16
5:50 pm 17:50	Clear	14 -10	1 -17	56 56	N 3 6	30.70 1040	10 16
6:50 pm 18:50	Clear	12 -11	3 -16	66 66	Calm	30.72 1040	10 16
7:50 pm 19:50	Clear	10 -12	3 -16	72 72	Calm	30.73 1041	10 16
8:50 pm 20:50	Clear	9 -13	3 -16	78 78	Calm	30.73 1041	10 16
10:15 pm 22:15	Clear	5 -14.9	1 -17.1	83 83	Calm	30.74 1041	10 16
10:35 pm 22:35	Clear	7 -14.1	1 -17	79 79	Calm	30.74 1041	10 16
10:55 pm 22:55	Clear	5 -15	1 -17.4	82 82	Calm	30.74 1041	10 16
11:15 pm 23:15	Clear	5 -15.1	1 -17.4	82 82	Calm	30.74 1041	10 16
11:35 pm 23:35	Clear	4 -15.5	0 -17.6	84 84	Calm	30.73 1041	10 16
11:55 pm 23:55	Clear	4 -15.4	0 -17.6	83 83	Calm	30.73 1041	10 16