ALTON, IL 62002 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


ALTON, IL
Current Weather

7:50 PM CDT SEP 7, 2025
Clear
57°F
Feels Like: 58°F
Dewpoint: 46°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: N at 3 mph
Pressure: 30.25 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

ALTON, IL 62002
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Clear. Lows in the upper 40s. Northeast winds around 5 mph.
MONDAY
Sunny. Highs in the upper 70s. Southeast winds around 5 mph.
MONDAY NIGHT
Mostly clear. Lows around 50. Southeast winds around 5 mph.
TUESDAY
Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.
TUESDAY NIGHT
Mostly clear. Lows in the upper 50s. Southeast winds around 5 mph.
WEDNESDAY THROUGH SUNDAY
Mostly clear. Highs in the lower 90s. Lows in the mid 60s.

Visible Weather Satellite
ALTON, IL 62002
Infrared Weather Satellite
ALTON, IL 62002
NEXRAD Weather Radar
ALTON, IL 62002

ALTON, IL 3 hourly weather forecast

weather forecast created  6:00 AM MDT  9/ 7/2025
Sunday
7 SEP 2025
ALTON, IL 62002 weather forecast Day 1, 12 hours 1 PM 69° 69° Clear 0%

0% Thunder
( 0% severe)
N   9 36% 41°
High 71° ALTON, IL 62002 weather forecast Day 1, 15 hours 4 PM 70° 70° Clear N   8 35% 41°
Clear



ALTON, IL 62002 weather forecast Day 1, 18 hours 7 PM 66° 66° Clear 0%

0% Thunder
( 0% severe)
NNE   5 45% 44°
ALTON, IL 62002 weather forecast Day 1, 21 hours 10 PM 56° 56° Clear NE   2 66% 45°
Monday
8 SEP 2025
ALTON, IL 62002 weather forecast Day 2, 0 hours 1 AM 51° 51° Clear 0%

0% Thunder
( 1% severe)
E   1 77% 44°
Low 46° ALTON, IL 62002 weather forecast Day 2, 3 hours 4 AM 47° 46° Clear E   1 86% 43°
High 75° ALTON, IL 62002 weather forecast Day 2, 6 hours 7 AM 46° 45° Clear 0%

0% Thunder
( 0% severe)
E   2 86% 42°

Clear



ALTON, IL 62002 weather forecast Day 2, 9 hours 10 AM 65° 65° Clear SE   6 50% 46°
ALTON, IL 62002 weather forecast Day 2, 12 hours 1 PM 72° 72° Clear 0%

0% Thunder
( 1% severe)
SE   6 37% 44°
ALTON, IL 62002 weather forecast Day 2, 15 hours 4 PM 74° 74° Partly Cloudy ESE   6 33% 43°
ALTON, IL 62002 weather forecast Day 2, 18 hours 7 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 1% severe)
ESE   6 44% 46°
ALTON, IL 62002 weather forecast Day 2, 21 hours 10 PM 59° 59° Partly Cloudy ESE   5 62% 46°
Tuesday
9 SEP 2025
ALTON, IL 62002 weather forecast Day 3, 0 hours 1 AM 54° 54° Partly Cloudy 0%

0% Thunder
( 1% severe)
ESE   3 74% 46°
Low 49° ALTON, IL 62002 weather forecast Day 3, 3 hours 4 AM 51° 51° Partly Cloudy ESE   2 80% 45°
High 78° ALTON, IL 62002 weather forecast Day 3, 6 hours 7 AM 49° 48° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   3 86% 45°

Partly Cloudy



ALTON, IL 62002 weather forecast Day 3, 9 hours 10 AM 67° 67° Partly Cloudy SSE   7 52% 49°
ALTON, IL 62002 weather forecast Day 3, 15 hours 1 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   7 37% 47°
ALTON, IL 62002 weather forecast Day 3, 18 hours 4 PM 77° 78° Partly Cloudy SSE   7 33% 46°
ALTON, IL 62002 weather forecast Day 3, 21 hours 7 PM 73° 73° Partly Cloudy     ESE   6 44% 50°

ALTON, IL extended weather forecast

Wednesday
10 SEP 2025
Thursday
11 SEP 2025
Friday
12 SEP 2025
Saturday
13 SEP 2025
Sunday
14 SEP 2025
Low 53° Low 56° Low 60° Low 61° Low 61°
High 88° High 89° High 88° High 86° High 86°
ALTON, IL 62002 weather forecast Day 4 ALTON, IL 62002 weather forecast Day 5 ALTON, IL 62002 weather forecast Day 6 ALTON, IL 62002 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
6% Rain
Clear
9% Rain
Clear
7% Rain
Clear
14% Rain
Clear
19% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Alton, IL
Alton, IL snow
Alton, IL radar
IL map
-or-
-or-
-or-
 
62002
62002 snow
62002 radar
 
-or-
-or-
 
 
IL
IL snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions