EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

6:50 AM CDT JUN 19, 2026
Clear
63°F
Feels Like: 63°F
Dewpoint: 61°F
Rel. Hum.: 93%
Visibility: 7 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
TODAY
Sunny. Highs in the lower 80s. Northwest winds around 5 mph.
TONIGHT
Mostly cloudy. Lows in the mid 60s. Northeast winds around 5 mph, becoming south after midnight.
SATURDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 50 percent.
SUNDAY
Showers and thunderstorms. Highs in the mid 80s. Southeast winds 10 to 15 mph, becoming south in the afternoon. Chance of rain near 100 percent.
SUNDAY NIGHT
Showers and thunderstorms. Lows in the mid 60s. Chance of rain near 100 percent.
MONDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
MONDAY NIGHT THROUGH WEDNESDAY
Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

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 PM MDT  6/18/2026
Friday
19 JUN 2026
EAST ALTON, IL 62024 weather forecast Day 1, 0 hours 1 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 60°
Low 60° EAST ALTON, IL 62024 weather forecast Day 1, 3 hours 4 AM 61° 62° Partly Cloudy   CALM 90% 58°
High 82° EAST ALTON, IL 62024 weather forecast Day 1, 6 hours 7 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 59°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 1, 9 hours 10 AM 74° 74° Partly Cloudy WNW   5 62% 60°
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 1 PM 80° 80° Clear 2%

0% Thunder
( 7% severe)
NW   6 45% 57°
EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 4 PM 82° 82° Partly Cloudy NNW   6 41% 56°
EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 7 PM 81° 81° Partly Cloudy 2%

0% Thunder
( 6% severe)
N   3 44% 57°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 10 PM 71° 71° Partly Cloudy   CALM 66% 59°
Saturday
20 JUN 2026
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 1 AM 69° 69° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 2% severe)
  CALM 70% 59°
Low 64° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 4 AM 67° 67° Partly Cloudy   CALM 75% 59°
High 85° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 7 AM 68° 68° Partly Cloudy 8%

0% Thunder
( 5% severe)
  CALM 78% 61°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 10 AM 76° 78° Partly Cloudy SSW   3 60% 61°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 1 PM 82° 83° Partly Cloudy 1%

0% Thunder
( 12% severe)
SW   5 49% 61°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 4 PM 85° 85° Partly Cloudy SSW   5 43% 60°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 7 PM 82° 83° Partly Cloudy 2%

0% Thunder
( 11% severe)
SE   6 51% 62°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 10 PM 74° 74° Partly Cloudy ESE   5 69% 63°

ALTON, IL extended weather forecast

Sunday
21 JUN 2026
Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Low 65° Low 63° Low 61° Low 59° Low 61°
High 77° High 75° High 77° High 81° High 82°
EAST ALTON, IL 62024 weather forecast Day 3 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
Overcast
89% Rain
Overcast
62% Rain
Overcast
40% Rain
Partly Cloudy
28% Rain
Partly Cloudy
31% Rain
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