Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for January 18, 2018

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Clear	18 -7.8	11 -11.7	74 74	SW 9 15	30.50 1033	10 16
12:35 am 00:35	Clear	18 -7.7	11 -11.7	73 73	SW 10 17	30.48 1032	10 16
12:55 am 00:55	Clear	18 -7.8	11 -11.9	73 73	SW 8 13	30.48 1032	10 16
1:15 am 01:15	Clear	18 -7.9	11 -11.8	74 74	SW 8 13	30.48 1032	10 16
1:35 am 01:35	Clear	17 -8.1	10 -12	74 74	SW 7 11	30.48 1032	10 16
1:55 am 01:55	Clear	18 -8	10 -12	73 73	SW 7 11	30.48 1032	10 16
2:15 am 02:15	Clear	17 -8.4	10 -12.2	74 74	WSW 8 13	30.48 1032	10 16
2:35 am 02:35	Clear	17 -8.1	10 -12.2	73 73	WSW 9 15	30.48 1032	10 16
2:55 am 02:55	Clear	18 -7.9	10 -12.4	70 70	SW 9 15	30.48 1032	10 16
3:15 am 03:15	Clear	18 -7.7	10 -12.1	71 71	WSW 10 17	30.48 1032	10 16
3:35 am 03:35	Clear	18 -7.7	10 -12.1	71 71	SW 10 17	30.45 1031	10 16
3:55 am 03:55	Clear	18 -7.9	10 -12	73 73	WSW 10 17	30.45 1031	10 16
4:15 am 04:15	Clear	18 -7.7	10 -12	72 72	SW 10 17	30.45 1031	10 16
4:35 am 04:35	Clear	18 -7.8	10 -12	72 72	SW 9 15	30.45 1031	10 16
4:55 am 04:55	Clear	18 -7.6	10 -12	71 71	SW 8 13	30.45 1031	10 16
5:15 am 05:15	Clear	17 -8.3	11 -11.8	76 76	SSW 10 17	30.45 1031	10 16
5:35 am 05:35	Clear	17 -8.3	11 -11.6	77 77	SSW 9 15	30.45 1031	10 16
5:55 am 05:55	Clear	17 -8.5	11 -11.8	77 77	SSW 10 17	30.45 1031	10 16
6:15 am 06:15	Clear	17 -8.5	11 -11.8	77 77	SSW 7 11	30.45 1031	10 16
6:35 am 06:35	Clear	17 -8.5	11 -11.9	77 77	SSW 6 9	30.42 1030	10 16
6:50 am 06:50	Mostly Clear	16 -9	10 -12	79 79	SSW 7 11	30.42 1030	10 16
7:50 am 07:50	Mostly Sunny	18 -8	10 -12	73 73	SSW 6 9	30.42 1030	10 16
8:50 am 08:50	Mostly Sunny	23 -5	12 -11	63 63	SSW 7 11	30.45 1031	10 16
9:50 am 09:50	Mostly Sunny	27 -3	14 -10	59 59	SSW 12 19	30.39 1029	10 16
10:50 am 10:50	Mostly Sunny	32 0	16 -9	51 51	SSW 10 17	30.36 1028	10 16
11:50 am 11:50	Mostly Sunny	36 2	18 -8	48 48	SW 13 20	30.33 1027	10 16
12:45 pm 12:45	Mostly Sunny	37 3	18 -8	45 45	SSW 14 22	30.27 1025	10 16
1:45 pm 13:45	Partly Cloudy	41 5	18 -8	39 39	SW 12 19	30.27 1025	10 16
2:45 pm 14:45	Partly Cloudy	45 7	19 -7	37 37	SSW 14 22	30.21 1023	10 16
3:45 pm 15:45	Partly Cloudy	45 7	19 -7	37 37	SSW 12 19	30.18 1022	10 16
4:45 pm 16:45	Partly Cloudy	43 6	19 -7	39 39	SSW 12 19	30.21 1023	10 16
5:55 pm 17:55	Mostly Clear	36 2	21 -6	56 56	SSW 9 15	30.21 1023	10 16
6:56 pm 18:56	Mostly Clear	36 2	21 -6	56 56	SSW 12 19	30.21 1023	10 16
7:47 pm 19:47	Mostly Clear	36 2	21 -6	56 56	SSW 12 19	30.18 1022	10 16
8:50 pm 20:50	Mostly Clear	32 0	21 -6	64 64	S 14 22	30.18 1022	10 16
9:50 pm 21:50	Mostly Clear	30 -1	21 -6	69 69	S 14 22	30.18 1022	10 16
10:15 pm 22:15	Clear	30 -1.1	21 -6.2	69 69	S 13 20	30.18 1022	10 16
10:35 pm 22:35	Clear	30 -1.2	20 -6.4	68 68	S 13 20	30.18 1022	10 16
10:55 pm 22:55	Clear	29 -1.5	20 -6.5	69 69	S 12 19	30.18 1022	10 16
11:15 pm 23:15	Clear	29 -1.8	20 -6.5	71 71	S 12 19	30.18 1022	10 16
11:35 pm 23:35	Clear	28 -2	20 -6.6	71 71	S 12 19	30.18 1022	10 16
11:55 pm 23:55	Clear	28 -2.4	20 -6.6	73 73	S 12 19	30.18 1022	10 16