EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

6:50 PM CDT APR 19, 2026
Clear
63°F
Feels Like: 63°F
Dewpoint: 32°F
Rel. Hum.: 31%
Visibility: 10 miles
Wind: NW at 8 mph
Pressure: 30.16 inches
Last 72 hours

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EAST ALTON, IL 62024
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows in the lower 40s. North winds 10 to 15 mph, becoming northeast around 5 mph after midnight.
MONDAY
Sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph.
MONDAY NIGHT
Mostly clear. Lows around 50. Southeast winds 5 to 10 mph, becoming south after midnight.
TUESDAY
Sunny. Not as cool with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY NIGHT
Mostly clear. Lows in the upper 50s. Southwest winds 10 to 15 mph.
WEDNESDAY AND WEDNESDAY NIGHT
Mostly clear. Highs in the upper 70s. Lows in the upper 50s.
THURSDAY
Sunny in the morning, then becoming partly sunny. Highs in the lower 80s.
THURSDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 70 percent.
FRIDAY
A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 70 percent.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Cooler with lows in the lower 50s. Chance of rain 50 percent.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 50. Chance of rain 30 percent.
SUNDAY
Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 60s. 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 AM MDT  4/19/2026
Sunday
19 APR 2026
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 1 PM 62° 60° Clear 3%

0% Thunder
( 2% severe)
W   16 28% 29°
High 66° EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 4 PM 65° 65° Partly Cloudy WNW   16 27% 30°
Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 7 PM 61° 60° Partly Cloudy 4%

0% Thunder
( 3% severe)
NW   10 35% 33°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 10 PM 51° 48° Partly Cloudy NNE   8 50% 33°
Monday
20 APR 2026
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 1 AM 46° 44° Partly Cloudy 3%

0% Thunder
( 2% severe)
NE   5 58% 32°
Low 39° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 4 AM 42° 40° Partly Cloudy NE   3 62% 30°
High 66° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 7 AM 41° 39° Partly Cloudy 1%

0% Thunder
( 1% severe)
ENE   3 65% 30°

Clear



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 10 AM 51° 48° Clear ESE   7 44% 30°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 1 PM 59° 58° Clear 1%

0% Thunder
( 1% severe)
SE   8 37% 33°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 4 PM 64° 64° Clear SSE   8 35% 36°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 7 PM 62° 61° Clear 0%

0% Thunder
( 2% severe)
SE   9 44% 40°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 10 PM 55° 52° Clear SSE   9 59% 41°
Tuesday
21 APR 2026
EAST ALTON, IL 62024 weather forecast Day 3, 0 hours 1 AM 53° 50° Clear 1%

0% Thunder
( 1% severe)
S   9 66% 42°
Low 49° EAST ALTON, IL 62024 weather forecast Day 3, 3 hours 4 AM 51° 48° Partly Cloudy SSW   8 68% 41°
High 79° EAST ALTON, IL 62024 weather forecast Day 3, 6 hours 7 AM 51° 48° Partly Cloudy 3%

0% Thunder
( 2% severe)
SSW   8 71% 42°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 3, 9 hours 10 AM 65° 65° Partly Cloudy SW   14 48% 45°
EAST ALTON, IL 62024 weather forecast Day 3, 15 hours 1 PM 73° 73° Partly Cloudy 3%

0% Thunder
( 6% severe)
SW   16 38% 46°
EAST ALTON, IL 62024 weather forecast Day 3, 18 hours 4 PM 77° 78° Clear SW   16 33% 46°
EAST ALTON, IL 62024 weather forecast Day 3, 21 hours 7 PM 73° 73° Clear     SW   12 41% 48°

ALTON, IL extended weather forecast

Wednesday
22 APR 2026
Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Low 55° Low 54° Low 56° Low 52° Low 49°
High 76° High 78° High 71° High 67° High 69°
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
17% Rain
Partly Cloudy
22% Rain
Overcast
70% Rain
Overcast
44% Rain
Mostly Cloudy
40% Rain
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