EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

12:50 PM CDT SEP 21, 2026
Overcast
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: NNE at 9 mph
Pressure: 30.03 inches
Last 72 hours

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EAST ALTON, IL 62024
Weather Forecast

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THIS AFTERNOON
Cloudy with a slight chance of showers and very light drizzle. Much cooler. Near steady temperature in the lower 70s. North winds 5 to 10 mph. Chance of rain 20 percent.
TONIGHT
Mostly cloudy with a slight chance of very light drizzle. Lows in the lower 60s. Northeast winds 5 to 10 mph.
TUESDAY
Mostly cloudy. A slight chance of very light drizzle in the morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.
TUESDAY NIGHT
Mostly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.
WEDNESDAY
Mostly sunny. Highs in the mid 70s. North winds 5 to 10 mph.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
SATURDAY
Partly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. Lows in the upper 50s.
SUNDAY
Mostly sunny. Highs in the lower 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  9/21/2026
Monday
21 SEP 2026
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 1 PM 74° 74° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 15% severe)
N   8 79% 67°
High 76° EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 4 PM 75° 75° Mostly Cloudy N   10 74% 66°
Mostly Cloudy



EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 7 PM 71° 71° Mostly Cloudy 1%

0% Thunder
( 3% severe)
NNE   10 76% 63°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 10 PM 66° 66° Mostly Cloudy NE   9 90% 63°
Tuesday
22 SEP 2026
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 1 AM 64° 64° Mostly Cloudy 2%

0% Thunder
( 4% severe)
NE   7 90% 61°
Low 59° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 4 AM 61° 60° Mostly Cloudy NNE   7 93% 59°
High 71° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 7 AM 60° 59° Mostly Cloudy 3%

0% Thunder
( 2% severe)
NNE   8 93% 58°

Mostly Cloudy



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 10 AM 65° 65° Mostly Cloudy NE   9 81% 59°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 1 PM 69° 69° Mostly Cloudy 2%

0% Thunder
( 4% severe)
NNE   10 68% 58°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 4 PM 71° 71° Mostly Cloudy NNE   12 61% 57°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 7 PM 65° 65° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNE   12 70% 55°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 10 PM 61° 60° Mostly Cloudy NNE   9 84% 56°
Wednesday
23 SEP 2026
EAST ALTON, IL 62024 weather forecast Day 3, 0 hours 1 AM 59° 58° Mostly Cloudy 0%

0% Thunder
( 1% severe)
NNE   7 87% 55°
Low 53° EAST ALTON, IL 62024 weather forecast Day 3, 3 hours 4 AM 57° 56° Partly Cloudy N   7 90% 54°
High 74° EAST ALTON, IL 62024 weather forecast Day 3, 6 hours 7 AM 55° 53° Partly Cloudy 0%

0% Thunder
( 1% severe)
N   8 90% 52°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 3, 9 hours 10 AM 64° 64° Partly Cloudy NNE   9 73% 55°
EAST ALTON, IL 62024 weather forecast Day 3, 15 hours 1 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 1% severe)
NNE   10 55% 55°
EAST ALTON, IL 62024 weather forecast Day 3, 18 hours 4 PM 74° 74° Partly Cloudy NNE   12 51% 55°
EAST ALTON, IL 62024 weather forecast Day 3, 21 hours 7 PM 67° 67° Partly Cloudy     NNE   10 65% 55°

ALTON, IL extended weather forecast

Thursday
24 SEP 2026
Friday
25 SEP 2026
Saturday
26 SEP 2026
Sunday
27 SEP 2026
Monday
28 SEP 2026
Low 54° Low 58° Low 56° Low 54° Low 55°
High 77° High 77° High 69° High 76° High 79°
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
Partly Cloudy
6% Rain
Mostly Cloudy
24% Rain
Overcast
34% Rain
Mostly Cloudy
30% Rain
Partly Cloudy
25% Rain
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