Weather Forecast and Conditions for Alton, IL
Sponsored by Michael Ryan Exteriors - Roofing Professionals
- Current Conditions
82°
Feels like 86°
Partly sunny
Home tip: Plan repairs before they’re urgent
If you’ve been putting off an exterior project, Michael Ryan Exteriors - Roofing Professionals can help you price it out before it becomes urgent.
Get a Free QuoteWinds: ENE 2.8 mph
Humidity: 45%
Pressure: 30.16 inHg
Visibility: 12 miles
UV Index: 3
Precip chance: 3%
Precip today: 0 in
Dew Point: 58° F
Sunrise:
5:54 AM
Sunset:
8:20 PM
Today: Partly sunny
Tonight: Mostly cloudy
Updated
July 23,
4:32 PM
Stay Informed with Weather Alerts!
Text @RB to 618-202-4618 to sign up for instant weather updates.
Sign Up Now- Air and Pollen Today
AirQuality
41
Good
Grass
2
Low
Mold
3250
Low
Ragweed
5
Low
Tree
7
Low
UVIndex
10
Very High
- 5 Day Forecast
Thursday
07/23
07/23
3%
82° /
62°
Friday
07/24
07/24
62%
73° /
66°
Saturday
07/25
07/25
55%
83° /
70°
Sunday
07/26
07/26
8%
91° /
72°
Monday
07/27
07/27
6%
95° /
72°
- Weather Cams
Alton Riverfront
Alton Marina
- Radar
- Sign In
- Home
- Video
- News
-
Weather
Sponsored by Michael Ryan Exteriors - Roofing Professionals
- Sports
- Obits
- Events
- Radio
- AP News
- Shop Local
- Classifieds
- Autos
- Real Estate
- Directory
Get the RiverBender App
Follow Us
Copyright © 2026 RiverBender.com All rights reserved.
primary