EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

9:50 PM CDT SEP 17, 2025
Clear
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 30.02 inches
Last 72 hours

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EAST ALTON, IL 62024
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Clear. Lows around 60. East winds around 5 mph.
THURSDAY
Sunny. Highs in the lower 90s. Southeast winds around 5 mph.
THURSDAY NIGHT
Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 20 percent.
FRIDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.
SUNDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.
SUNDAY NIGHT AND MONDAY
Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 40 percent.
TUESDAY
Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. A 20 percent chance of showers. Lows in the lower 60s. Highs in the mid 80s.

Visible Weather Satellite
EAST ALTON, IL 62024
Infrared Weather Satellite
EAST ALTON, IL 62024
NEXRAD Weather Radar
EAST ALTON, IL 62024

ALTON, IL 3 hourly weather forecast

weather forecast created  6:00 AM MDT  9/17/2025
Wednesday
17 SEP 2025
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 1 PM 87° 86° Clear 0%

0% Thunder
( 3% severe)
NE   5 35% 56°
High 89° EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 4 PM 88° 86° Clear NNE   5 30% 53°
Clear



EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 7 PM 81° 81° Clear 0%

0% Thunder
( 2% severe)
NE   3 41% 55°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 10 PM 69° 69° Clear E   1 66% 57°
Thursday
18 SEP 2025
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 1 AM 65° 65° Clear 0%

0% Thunder
( 1% severe)
E   1 70% 55°
Low 59° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 4 AM 61° 62° Clear E   1 78% 54°
High 92° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 7 AM 59° 60° Clear 0%

0% Thunder
( 1% severe)
E   1 80% 53°

Clear



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 10 AM 78° 79° Clear SE   3 50% 58°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 1 PM 88° 86° Clear 1%

0% Thunder
( 7% severe)
ESE   3 33% 55°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 4 PM 90° 88° Clear ESE   3 28% 53°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 7 PM 83° 82° Clear 4%

0% Thunder
( 6% severe)
E   5 41% 57°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 10 PM 72° 72° Partly Cloudy E   2 64% 59°
Friday
19 SEP 2025
EAST ALTON, IL 62024 weather forecast Day 3, 0 hours 1 AM 68° 68° Partly Cloudy 7%

0% Thunder
( 4% severe)
ESE   2 73% 59°
Low 63° EAST ALTON, IL 62024 weather forecast Day 3, 3 hours 4 AM 65° 65° Mostly Cloudy ESE   2 81% 59°
High 85° EAST ALTON, IL 62024 weather forecast Day 3, 6 hours 7 AM 64° 65° Mostly Cloudy 9%

0% Thunder
( 5% severe)
ESE   3 84% 59°

Mostly Cloudy



EAST ALTON, IL 62024 weather forecast Day 3, 9 hours 10 AM 76° 78° Mostly Cloudy W   5 62% 62°
EAST ALTON, IL 62024 weather forecast Day 3, 15 hours 1 PM 83° 84° Mostly Cloudy 19%
RAIN
.01–.1 in
0% Thunder
( 19% severe)
WSW   6 49% 62°
EAST ALTON, IL 62024 weather forecast Day 3, 18 hours 4 PM 84° 84° Mostly Cloudy S   6 44% 60°
EAST ALTON, IL 62024 weather forecast Day 3, 21 hours 7 PM 79° 81° Mostly Cloudy     S   6 60% 64°

ALTON, IL extended weather forecast

Saturday
20 SEP 2025
Sunday
21 SEP 2025
Monday
22 SEP 2025
Tuesday
23 SEP 2025
Wednesday
24 SEP 2025
Low 60° Low 60° Low 61° Low 61° Low 55°
High 83° High 83° High 79° High 78° High 80°
EAST ALTON, IL 62024 weather forecast Day 4 EAST ALTON, IL 62024 weather forecast Day 5 EAST ALTON, IL 62024 weather forecast Day 6 EAST ALTON, IL 62024 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
59% Rain
Partly Cloudy
25% Rain
Overcast
41% Rain
Overcast
47% Rain
Partly Cloudy
26% Rain
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