Name: Alton
Address: Alton, Illinois, US

Hourly forecast · Alton

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — Alton

Today + 10-day →

Time	Conditions	Temp	Precip	Wind	UV
Saturday 22/8 17:00	Sunny	87°	–	9 mph N	8
18:00	Sunny	86°	–	7 mph NE	7
19:00	Sunny	82°	–	6 mph NE	7
20:00	Sunny	77°	–	7 mph NE	0
21:00	Sunny	75°	–	7 mph NE	0
22:00	Sunny	74°	–	8 mph NE	0
23:00	Sunny	68°	–	6 mph N	0
Sunday 23/8 00:00	Sunny	67°	–	5 mph N	0
01:00	Sunny	66°	–	4 mph N	0
02:00	Sunny	65°	–	4 mph NW	0
03:00	Sunny	64°	–	4 mph NW	0
04:00	Sunny	63°	–	4 mph NW	0
05:00	Sunny	62°	–	4 mph NW	0
06:00	Sunny	62°	–	4 mph NW	0
07:00	Sunny	63°	–	4 mph NW	5
08:00	Mostly cloudy	66°	–	4 mph NW	4
09:00	Mostly cloudy	68°	–	5 mph NW	5
10:00	Mostly cloudy	72°	–	5 mph NW	5
11:00	Mostly cloudy	74°	–	6 mph NW	5
12:00	Mostly cloudy	77°	–	6 mph NW	5
13:00	Mostly cloudy	78°	–	6 mph NW	6
14:00	Mostly cloudy	79°	–	6 mph NW	6
15:00	Sunny	81°	–	5 mph N	7
16:00	Sunny	81°	–	4 mph N	7
17:00	Partly cloudy	81°	–	5 mph NE	7
18:00	Sunny	78°	–	6 mph NE	7
19:00	Partly cloudy	76°	–	6 mph E	6
20:00	Sunny	72°	–	6 mph E	0
21:00	Partly cloudy	74°	–	7 mph E	0
22:00	Mostly cloudy	73°	–	6 mph E	0
23:00	Partly cloudy	73°	–	7 mph E	0
Monday 24/8 00:00	Mostly cloudy	71°	–	7 mph SE	0
01:00	Partly cloudy	70°	–	7 mph SE	0
02:00	Sunny	69°	–	8 mph SE	0
03:00	Partly cloudy	69°	–	7 mph SE	0
04:00	Sunny	69°	–	7 mph S	0
05:00	Partly cloudy	69°	–	6 mph S	0
06:00	Sunny	69°	–	4 mph S	0
07:00	Sunny	69°	–	5 mph S	6
08:00	Sunny	70°	–	3 mph SE	6
09:00	Partly cloudy	73°	–	3 mph SE	6
10:00	Sunny	76°	–	4 mph SE	6
11:00	Partly cloudy	78°	–	4 mph E	6
12:00	Partly cloudy	80°	–	6 mph SE	6
13:00	Partly cloudy	81°	–	7 mph SE	6
14:00	Partly cloudy	80°	–	8 mph E	6
15:00	Partly cloudy	80°	–	6 mph SE	6
16:00	Partly cloudy	81°	–	6 mph SE	6

Hourly

How the hourly forecast is made

Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.

Alton, IL Hourly Weather

Hourly forecast · Alton

48 hours — Alton