EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

9:45 AM CST FEB 27, 2026
Clear
55°F
Feels Like: 53°F
Dewpoint: 41°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: SSW at 9 mph
Pressure: 29.98 inches
Last 72 hours

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EAST ALTON, IL 62024
Weather Forecast

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Snow Depth pages
TODAY
Sunny. Not as cool with highs in the lower 70s. Southwest winds 5 to 10 mph, increasing to 15 to 20 mph this afternoon.
TONIGHT
Mostly clear. Lows around 40. West winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight.
SATURDAY
Mostly sunny with a 20 percent chance of rain. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast in the afternoon.
SATURDAY NIGHT
Partly cloudy. Cooler with lows around 30. North winds 10 to 15 mph.
SUNDAY
Mostly cloudy. A slight chance of rain and snow in the afternoon. Much cooler with highs in the mid 40s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of precipitation 20 percent.
SUNDAY NIGHT
Rain and snow. Light snow accumulation. Lows in the lower 30s. Chance of precipitation 90 percent.
MONDAY
Mostly cloudy. A chance of rain with a slight chance of snow in the morning, then a slight chance of rain in the afternoon. Highs in the mid 40s. Chance of precipitation 40 percent.
MONDAY NIGHT
Cloudy with a 50 percent chance of rain. Lows in the mid 30s.
TUESDAY
Rain. Highs in the lower 50s. Chance of rain 80 percent.
TUESDAY NIGHT
Rain likely. A chance of thunderstorms after midnight. Lows in the lower 40s. Chance of rain 70 percent.
WEDNESDAY
Rain likely. Highs in the lower 60s. Chance of rain 70 percent.
WEDNESDAY NIGHT
A slight chance of thunderstorms in the evening. Rain likely. Lows in the lower 50s. Chance of rain 70 percent.
THURSDAY
Mostly cloudy with rain likely in the morning, then partly sunny with a chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 60 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  5:00 PM MST  2/26/2026
Friday
27 FEB 2026
EAST ALTON, IL 62024 weather forecast Day 1, 0 hours 12 AM 41° 39° Clear 0%

0% Thunder
( 0% severe)
SW   2 79% 35°
Low 35° EAST ALTON, IL 62024 weather forecast Day 1, 3 hours 3 AM 38° 36° Partly Cloudy SW   2 85% 34°
High 69° EAST ALTON, IL 62024 weather forecast Day 1, 6 hours 6 AM 36° 33° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 85% 32°

Clear



EAST ALTON, IL 62024 weather forecast Day 1, 9 hours 9 AM 48° 45° Clear SSW   7 63% 36°
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 12 PM 64° 63° Clear 1%

0% Thunder
( 0% severe)
SW   12 34% 35°
EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 3 PM 69° 69° Clear SW   13 26% 33°
EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 6 PM 61° 60° Clear 1%

0% Thunder
( 1% severe)
SSW   9 38% 35°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 9 PM 54° 52° Clear SSW   8 50% 36°
Saturday
28 FEB 2026
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 12 AM 49° 46° Clear 1%

0% Thunder
( 1% severe)
WNW   7 61% 36°
Low 38° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 3 AM 44° 41° Clear NNE   6 68% 34°
High 61° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 6 AM 40° 36° Partly Cloudy 9%

0% Thunder
( 4% severe)
ENE   6 73% 32°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 9 AM 47° 43° Partly Cloudy E   8 56% 32°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 12 PM 58° 56° Partly Cloudy 18%
RAIN
<.01 in
0% Thunder
( 5% severe)
SE   9 40% 34°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 3 PM 61° 60° Mostly Cloudy SSE   10 39% 36°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 6 PM 55° 52° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 6% severe)
NNE   10 49% 36°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 9 PM 46° 41° Partly Cloudy NNE   12 53% 30°

ALTON, IL extended weather forecast

Sunday
1 MAR 2026
Monday
2 MAR 2026
Tuesday
3 MAR 2026
Wednesday
4 MAR 2026
Thursday
5 MAR 2026
Low 32° Low 30° Low 34° Low 53° Low 46°
High 40° High 37° High 55° High 67° High 54°
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
35% Rain/Snow
Overcast
65% Ice
Overcast
66% Rain
Overcast
81% Rain
Overcast
58% Rain
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