Alton, Illinois Weather Forecast

Local

Alton, IL, US

38.8906, -90.18428

Hourly Observations for September 11, 2021

		Temp ( °F °C )	Dew Point ( °F °C )	Humidity (%)	Winds ( mph kmh )	Pressure ( in mb )	Visibility ( mi km )
12:15 am 00:15	Mostly Cloudy	72 22.2	58 14.5	62 62	SE 6 9	29.99 1016	10 16
12:35 am 00:35	Partly Cloudy	73 22.5	58 14.2	60 60	SSE 8 13	29.99 1016	10 16
12:55 am 00:55	Clear	69 20.3	59 15.1	72 72	ESE 6 9	30.00 1016	10 16
1:15 am 01:15	Clear	67 19.5	61 16.1	81 81	SE 7 11	30.00 1016	10 16
1:35 am 01:35	Clear	69 20.3	59 15	72 72	SE 5 7	29.99 1015	10 16
1:55 am 01:55	Clear	69 20.4	58 14.7	70 70	SSE 6 9	29.99 1015	10 16
2:15 am 02:15	Clear	70 21	58 14.5	67 67	SSE 8 13	29.99 1015	10 16
2:35 am 02:35	Clear	70 21	58 14.4	66 66	S 8 13	29.99 1015	10 16
2:55 am 02:55	Clear	70 21.1	58 14.2	65 65	S 9 15	29.99 1015	10 16
3:15 am 03:15	Clear	70 21.1	58 14.3	65 65	S 10 17	29.99 1015	10 16
3:35 am 03:35	Clear	70 21.1	58 14.3	65 65	S 9 15	29.99 1015	10 16
3:55 am 03:55	Clear	70 21.1	58 14.2	65 65	S 7 11	29.99 1015	10 16
4:15 am 04:15	Clear	70 21	57 14.1	65 65	S 8 13	29.99 1015	10 16
4:35 am 04:35	Clear	70 21.1	57 14	64 64	S 9 15	29.99 1015	10 16
4:55 am 04:55	Clear	70 21	57 14	64 64	S 7 11	30.00 1016	10 16
5:15 am 05:15	Clear	70 20.9	57 14	65 65	S 6 9	30.00 1016	10 16
5:35 am 05:35	Clear	69 20.7	57 14	66 66	S 8 13	30.00 1016	10 16
5:55 am 05:55	Clear	69 20.7	57 14	66 66	S 8 13	30.00 1016	10 16
6:15 am 06:15	Clear	69 20.8	57 14	65 65	S 7 11	30.01 1016	10 16
6:35 am 06:35	Clear	69 20.5	57 14	66 66	S 7 11	30.01 1016	10 16
6:50 am 06:50	Sunny	68 20	57 14	69 69	S 9 15	30.01 1016	10 16
7:50 am 07:50	Sunny	70 21	57 14	64 64	S 8 13	30.03 1017	10 16
8:50 am 08:50	Sunny	73 23	57 14	57 57	SSW 14 22	30.01 1016	10 16
9:50 am 09:50	Sunny	77 25	57 14	51 51	SSW 9 15	30.02 1017	10 16
10:50 am 10:50	Sunny	81 27	59 15	48 48	SSW 14 22	30.00 1016	10 16
11:50 am 11:50	Sunny	84 29	57 14	40 40	SW 14 22	30.00 1016	10 16
12:50 pm 12:50	Sunny	86 30	57 14	38 38	SW 12 19	29.99 1016	10 16
1:50 pm 13:50	Sunny	88 31	57 14	35 35	SW 12 19	29.98 1015	10 16
2:50 pm 14:50	Sunny	88 31	55 13	33 33	SSW 14 22	29.96 1014	10 16
3:50 pm 15:50	Sunny	90 32	55 13	31 31	SSW 14 22	29.93 1014	10 16
4:50 pm 16:50	Sunny	90 32	55 13	31 31	SW 12 19	29.93 1014	10 16
5:50 pm 17:50	Sunny	88 31	57 14	35 35	SSW 12 19	29.94 1014	10 16
6:50 pm 18:50	Sunny	84 29	59 15	43 43	SSW 15 24	29.95 1014	10 16
7:50 pm 19:50	Clear	81 27	63 17	54 54	S 14 22	29.96 1015	10 16
8:50 pm 20:50	Clear	79 26	63 17	58 58	S 14 22	29.99 1015	10 16
9:50 pm 21:50	Clear	79 26	63 17	58 58	S 15 24	30.01 1016	10 16
10:15 pm 22:15	Clear	77 25	64 17.5	63 63	S 10 17	30.01 1016	10 16
10:35 pm 22:35	Clear	76 24.7	63 17.2	63 63	S 12 19	30.01 1016	10 16
10:55 pm 22:55	Clear	76 24.5	63 17.2	64 64	S 10 17	30.01 1016	10 16
11:15 pm 23:15	Clear	76 24.3	63 17.1	64 64	S 8 13	30.02 1017	10 16
11:35 pm 23:35	Clear	75 24	63 17	65 65	S 13 20	30.02 1017	10 16
11:55 pm 23:55	Clear	75 23.9	62 16.6	64 64	S 10 17	30.01 1016	10 16