EDWARDSVILLE, IL 62026 Weather Forecast & Current Conditions

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ALTON, IL
Current Weather

3:35 AM CDT JUN 23, 2025
Clear
77°F
Feels Like: 78°F
Dewpoint: 72°F
Rel. Hum.: 85%
Visibility: 10 miles
Wind: S at 6 mph
Pressure: 30.11 inches
Last 72 hours

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EDWARDSVILLE, IL 62026
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Clear. Near steady temperature in the upper 70s. South winds around 5 mph.
MONDAY
Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 102.
MONDAY NIGHT
Partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 101 early in the evening.
TUESDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103.
TUESDAY NIGHT
Partly cloudy. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.
WEDNESDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 100 early in the evening.
THURSDAY
Sunny, hot with highs in the mid 90s. Heat index values up to 105.
THURSDAY NIGHT AND FRIDAY
Mostly clear. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.
FRIDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.
SATURDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent.
SUNDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.

Visible Weather Satellite
EDWARDSVILLE, IL 62026
Infrared Weather Satellite
EDWARDSVILLE, IL 62026
NEXRAD Weather Radar
EDWARDSVILLE, IL 62026

ALTON, IL 3 hourly weather forecast

weather forecast created  6:00 PM MDT  6/22/2025
Monday
23 JUN 2025
EDWARDSVILLE, IL 62026 weather forecast Day 1, 0 hours 1 AM 79° 82° Clear 0%

0% Thunder
( 2% severe)
S   8 77% 71°
Low 74° EDWARDSVILLE, IL 62026 weather forecast Day 1, 3 hours 4 AM 75° 75° Clear S   6 87% 71°
High 95° EDWARDSVILLE, IL 62026 weather forecast Day 1, 6 hours 7 AM 77° 78° Clear 1%

0% Thunder
( 3% severe)
S   6 85% 72°

Partly Cloudy



EDWARDSVILLE, IL 62026 weather forecast Day 1, 9 hours 10 AM 87° 94° Clear SSW   8 63% 73°
EDWARDSVILLE, IL 62026 weather forecast Day 1, 12 hours 1 PM 93° 99° Partly Cloudy 9%

0% Thunder
( 23% severe)
SSW   9 47% 70°
EDWARDSVILLE, IL 62026 weather forecast Day 1, 15 hours 4 PM 94° 99° Partly Cloudy SSW   9 44% 69°
EDWARDSVILLE, IL 62026 weather forecast Day 1, 18 hours 7 PM 90° 95° Partly Cloudy 3%

0% Thunder
( 15% severe)
S   9 50% 69°
EDWARDSVILLE, IL 62026 weather forecast Day 1, 21 hours 10 PM 82° 86° Partly Cloudy S   6 69% 71°
Tuesday
24 JUN 2025
EDWARDSVILLE, IL 62026 weather forecast Day 2, 0 hours 1 AM 78° 80° Partly Cloudy 6%

0% Thunder
( 9% severe)
S   3 82% 72°
Low 75° EDWARDSVILLE, IL 62026 weather forecast Day 2, 3 hours 4 AM 76° 76° Partly Cloudy SSW   2 90% 73°
High 93° EDWARDSVILLE, IL 62026 weather forecast Day 2, 6 hours 7 AM 78° 80° Partly Cloudy 8%

0% Thunder
( 12% severe)
SSW   2 88% 74°

Partly Cloudy



EDWARDSVILLE, IL 62026 weather forecast Day 2, 9 hours 10 AM 85° 92° Partly Cloudy WSW   6 67% 73°
EDWARDSVILLE, IL 62026 weather forecast Day 2, 12 hours 1 PM 91° 98° Partly Cloudy 8%

0% Thunder
( 34% severe)
WSW   6 52% 71°
EDWARDSVILLE, IL 62026 weather forecast Day 2, 15 hours 4 PM 91° 98° Partly Cloudy SSW   6 52% 71°
EDWARDSVILLE, IL 62026 weather forecast Day 2, 18 hours 7 PM 89° 95° Partly Cloudy 4%

0% Thunder
( 20% severe)
SSE   5 56% 71°
EDWARDSVILLE, IL 62026 weather forecast Day 2, 21 hours 10 PM 81° 85° Partly Cloudy S   2 74% 72°

ALTON, IL extended weather forecast

BAD DAY
BAD DATE
BAD DAY
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BAD DAY
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BAD DATE
Low 72° Low 70° Low 70° Low 70° Low 71°
High 91° High 92° High 91° High 90° High 90°
EDWARDSVILLE, IL 62026 weather forecast Day 3 EDWARDSVILLE, IL 62026 weather forecast Day 4 EDWARDSVILLE, IL 62026 weather forecast Day 5 EDWARDSVILLE, IL 62026 weather forecast Day 6 EDWARDSVILLE, IL 62026 weather forecast Day 7
Partly Cloudy
50% Rain
Mostly Cloudy
55% Rain
Partly Cloudy
47% Rain
Partly Cloudy
31% Rain
Partly Cloudy
41% Rain
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