EAST ALTON, IL 62024 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

12:50 PM CDT AUG 7, 2026
Scattered Clouds
86°F
Feels Like: 92°F
Dewpoint: 72°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: WSW at 8 mph
Pressure: 30.06 inches
Last 72 hours

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EAST ALTON, IL 62024
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny and warmer. Near steady temperature in the upper 80s. West winds 5 to 10 mph. Heat index values up to 100.
TONIGHT
Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph.
SATURDAY
Sunny with highs around 90. West winds around 5 mph. Heat index values up to 101.
SATURDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 100 early in the evening.
SUNDAY
Mostly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 107.
SUNDAY NIGHT THROUGH MONDAY NIGHT
Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
TUESDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
TUESDAY NIGHT AND WEDNESDAY
Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105.
WEDNESDAY NIGHT AND THURSDAY
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 80s. Chance of rain 50 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  8/ 7/2026
Friday
7 AUG 2026
EAST ALTON, IL 62024 weather forecast Day 1, 12 hours 1 PM 84° 91° Partly Cloudy 4%

0% Thunder
( 15% severe)
WSW   6 72% 74°
High 88° EAST ALTON, IL 62024 weather forecast Day 1, 15 hours 4 PM 87° 95° Partly Cloudy SW   5 65% 74°
Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 1, 18 hours 7 PM 84° 91° Partly Cloudy 5%

0% Thunder
( 18% severe)
WSW   5 72% 74°
EAST ALTON, IL 62024 weather forecast Day 1, 21 hours 10 PM 75° 75° Clear S   1 94% 73°
Saturday
8 AUG 2026
EAST ALTON, IL 62024 weather forecast Day 2, 0 hours 1 AM 74° 74° Partly Cloudy 2%

0% Thunder
( 10% severe)
  CALM 93% 72°
Low 70° EAST ALTON, IL 62024 weather forecast Day 2, 3 hours 4 AM 72° 72° Partly Cloudy WSW   1 93% 70°
High 88° EAST ALTON, IL 62024 weather forecast Day 2, 6 hours 7 AM 73° 73° Partly Cloudy 2%

0% Thunder
( 11% severe)
WSW   1 90% 70°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 2, 9 hours 10 AM 81° 86° Clear NW   6 77% 73°
EAST ALTON, IL 62024 weather forecast Day 2, 12 hours 1 PM 86° 95° Partly Cloudy 4%

0% Thunder
( 13% severe)
NW   5 70% 75°
EAST ALTON, IL 62024 weather forecast Day 2, 15 hours 4 PM 88° 97° Partly Cloudy WNW   5 63% 74°
EAST ALTON, IL 62024 weather forecast Day 2, 18 hours 7 PM 85° 93° Partly Cloudy 3%

0% Thunder
( 8% severe)
E   5 72% 75°
EAST ALTON, IL 62024 weather forecast Day 2, 21 hours 10 PM 76° 76° Clear   CALM 90% 73°
Sunday
9 AUG 2026
EAST ALTON, IL 62024 weather forecast Day 3, 0 hours 1 AM 74° 74° Partly Cloudy 5%

0% Thunder
( 11% severe)
  CALM 90% 71°
Low 70° EAST ALTON, IL 62024 weather forecast Day 3, 3 hours 4 AM 73° 73° Partly Cloudy SE   1 90% 70°
High 91° EAST ALTON, IL 62024 weather forecast Day 3, 6 hours 7 AM 73° 73° Mostly Cloudy 8%

0% Thunder
( 14% severe)
SSE   6 90% 70°

Partly Cloudy



EAST ALTON, IL 62024 weather forecast Day 3, 9 hours 10 AM 83° 90° Partly Cloudy S   9 74% 74°
EAST ALTON, IL 62024 weather forecast Day 3, 15 hours 1 PM 88° 99° Partly Cloudy 2%

0% Thunder
( 14% severe)
S   10 68% 76°
EAST ALTON, IL 62024 weather forecast Day 3, 18 hours 4 PM 91° 103° Partly Cloudy S   12 62% 76°
EAST ALTON, IL 62024 weather forecast Day 3, 21 hours 7 PM 88° 99° Partly Cloudy     S   12 68% 76°

ALTON, IL extended weather forecast

Monday
10 AUG 2026
Tuesday
11 AUG 2026
Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Low 72° Low 72° Low 71° Low 68° Low 64°
High 97° High 96° High 89° High 86° High 84°
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
11% Rain
Partly Cloudy
19% Rain
Partly Cloudy
37% Rain
Partly Cloudy
30% Rain
Partly Cloudy
23% Rain
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